Quantmod R Data Source

Using quantmod, one can easily load this data into R by specifying the the same ticker symbol that is used in these two web sources. It should be simple. 4-9, getSymbols. tidyquant integrates the best quantitative resources for collecting and analyzing quantitative data, xts, quantmod and TTR, with the tidy data infrastructure of the tidyverse allowing for seamless interaction between each. It is a source for consistently processed ice extent and concentration images and data values since 1979. Use best-in-class packages. Data is fetched via one of the available getSymbols methods and either saved in the env specified - the parent. NET that is maintained by Microsoft and the. this package makes it easy to import that data into R. FARS is a nationwide census providing NHTSA, Congress and the American public yearly data regarding fatal injuries suffered in motor vehicle traffic crashes. gov Web site currently does not fully support browsers with “JavaScript” disabled. The California Regional Weather Server's weather maps and images are created at San Francisco State University using software from the Unidata Program Center and Unisys and data from the National Weather Service. Read more tutorials. Study Group in Spatial Analysis; Spatial R Workshop; Env. Take a fresh, interactive approach to telling your data story with Shiny. It provides a rapid prototyping environment that makes modeling easier by removing the repetitive workflow issues surrounding data management and visualization. Each element of this list will be named with the expiration month, day, and year (for Yahoo sourced data). Datasource started in 1994 with humble beginnings as a small, locally owned county reporting agency. The simplest form of merge() finds the intersection between two different sets of data. There are a handful of requirements and limitations for R packages: The Power BI service, for the most part, supports R packages with free and open-source software licenses such as GPL-2, GPL-3, MIT+, and so on. yahoo has been patched to work with changes to Yahoo Finance, which also included the following changes to the raw data: The adjusted close column appears to no longer include dividend adjustments. To be the ONE SOURCE that stands ready to assist as you master military life. Access data-related technical information. English versions of these, formatted for U. R/getModelData. Important note for package binaries: R-Forge provides these binaries only for the most recent version of R, but not for older versions. Data for specific objective using key word search. What’s New? Changes in R. Search for materials by name or properties. You can use Amazon Kinesis Data Streams to collect and process large streams of data records in real time. I'm not inclined to work on scraping/parsing the financial data from Yahoo, so someone. The IDB makes no warranties (i) with respect to the accuracy, validity, completeness or timeliness of any of the data provided under the Web. Browse articles featuring eMarketer's latest data and insights on digital marketing. 5 Release notes. Currently none are freely available. No doubt this is a huge source of frustration, as many backtesting and trading scripts that relied on such data will no longer work. It can be as sophisticated as a complex database for a large corporation or as simple as a file with rows and columns. com is an archive for hockey statistics, hockey logos, and hockey cards. Important note for package binaries: R-Forge provides these binaries only for the most recent version of R, but not for older versions. A number of analytic tools are also available in the form of time series data, GIS mapping tools, and economic modeling tools. current health expenditure) including personal health care (curative care, rehabilitative care, long-term care, ancillary services and medical goods) and collective services (prevention and public health services as well as health administration), but excluding spending on investments. For data during these years, see the NCS publication archive. Latest Data news, comment and analysis from the Guardian, the world's leading liberal voice. Utility for converting curl commands to code. We will reply as soon as possible. Use str() to examine the data. Data analysis; By theme; By category; By indicator; By country; Metadata; About the Observatory. Architects, designers, engineers, contractors and owners can easily research, compare and select the best products for their needs. Want to try this now? Plotly’s libraries for R and Python are free and open-source. NASA Cloud Data. OPeNDAP provides software which makes local data accessible to remote locations regardless of local storage format. Any scripts or data that you put into this service are public. Create your own fatality data run online by using the FARS Query System. North Carolina County GIS Data. Helpful information to help you improve your business. A good replacement for Yahoo Finance in both R and Python. Visit our Customer Stories page to learn more. Review of sources and useful links. It is a complete open source platform for statistical analysis and data science. Used by specifyModel to retrieve symbols specified in first step of modelling procedure. Click here for additional updates. Dryad is a nonprofit membership organization that is committed to making data available for research and educational reuse now and into the future. Best-in-class integration with top data sources. Quantmod is a rapid prototyping environment, where quant traders can quickly and cleanly explore and build trading models. Some data are collected from respondents directly (including businesses), through the censuses and surveys we conduct. About Data: I lay out the history/philosophy of my datasets, the timing of the data, the sources I use and some caveats/rules for data. gov Web site currently does not fully support browsers with “JavaScript” disabled. Department of Education, Office for Civil Rights, Civil Rights Data Collection, 2011-12. R in BERT: From Excel select Add-Ins-> Home Directory and open the file called functions. The new Version 2. IRBsearch allows investigative professionals to search billions of records from thousands of records, including: criminal records, bankruptcies, property, businesses, reverse phone lookup, employment, and many more. R has powerful indexing features for accessing object elements. Data Science with R Hands-On Text Mining 1 Getting Started: The Corpus The primary package for text mining, tm (Feinerer and Hornik,2015), provides a framework within which we perform our text mining. Database includes comprehensive coverage of thermoplastic and thermoset polymers, aluminum, cobalt, copper, lead, magnesium, nickel, steel, superalloys, titanium and zinc alloys, ceramics, plus a growing list of semiconductors, fibers, and other engineering. Established in 1975, the FEC is composed of six Commissioners who are appointed by the President and confirmed by the Senate. quantmod is an R package that provides a framework for quantitative financial modeling and trading. "The quantmod package for R is designed to assist the quantitative trader in the development, testing, and deployment of statistically based trading models. Used by specifyModel to retrieve symbols specified in first step of modelling procedure. Human hg19 Mouse mm10. Welcome to Open Baltimore (All Datasets are fully recovered and back online. Natural Earth solves a problem: finding suitable data for making small-scale maps. Western Digital assumes no liability for any loss or damages of any kind that relate to, arise out of or result from the performance of services by the service provider, including, but not limited to, any loss of data contained on a Western Digital hard drive. Clear all cookies and keep other data. R users are doing some of the most innovative and important work in science, education, and industry. Strata Data Conference helps you put big data, cutting-edge data science, and new business fundamentals to work. To merge two data frames (datasets) horizontally, use the merge function. In case you hadn’t noticed, R does a lot of things differently from most other programming languages. NEON data are currently construction-grade and provisional - learn more at our Data Quality Program webpage. It extends, and is designed to work with, a variety of other tools for working with databases in R. By default the data is sourced from yahoo. frame object, however, is not designed to work efficiently with time series data. Catholic Research, Statistics, Data, Surveys, Polls. R is an integrated suite of software facilities for data manipulation, calculation and graphical display. Quantmod is a rapid prototyping environment, where quant traders can quickly and cleanly explore and build trading models. It provides a rapid prototyping environment that makes modeling easier by removing the repetitive workflow issues surrounding data management and visualization. For more information, see Shape data. TensorFlow™ is an open source software library for numerical computation using data flow graphs. Each year, the Foundation produces a comprehensive report — the KIDS COUNT Data Book — that assesses child well-being in the United States. This online publication provides access to both the full and concise versions of the MARC 21 Format for Bibliographic Data. To be approved by the Open Source Initiative (also known as the OSI), a license must go through the Open Source Initiative's license review process. Net, LiveCharts updates and animates as your data changes in real time, charts are also sensitive to size changes. By default, it is assigned automatically to a variable in the specified. It was released to open source under the Apache 2. The analysis will take a look into the long-range and short-range volatility of the stock price. Dear R-finance list, Why is the Monthly Return function from the Quantmod packge showing a return for the month december 1998. DataCamp's Into to R training course teaches you how to use R programming for data science at your own pace with video tutorials & interactive challenges. 1 OS X Colleagues, I am just learning to use the quantmod package and I have encountered something that I don't understand. It is free and easy to use, yet powerful and extremely customizable. Working with xts and quantmod Leveraging R with xts and quantmod for quantitative trading R/Finance 2009: Applied Finance with R University of Illinois at Chicago Jeffrey A. Whether you’re using R to optimize portfolio, analyze genomic sequences, or to predict component failure times, experts in every domain have made resources, applications and code available for free online. Data by a specific population group. Develop, manage, collaborate, and govern at scale with our enterprise platform. Packt is the online library and learning platform for professional developers. FTP Post code layers are generated using data from Free The Postcode and are Public Domain. Inrupt's mission is to restore rightful ownership of data back to every web user and unleash a new wave of innovation - for developers, for business, for everyone. RAD Game Tools' web page. KSDC’s mission is to empower data users with comprehensive, accurate, and timely information. I will attempt to recover the creation dates. Khoshgoftaar. Using a 'daily' input file works fine, but trying to create a hourly chart from hourly data is just a big failure. Does it run on my computer?. Popular Licenses. News; Events; The MIT License. Welcome to the NEON Data Portal. Develop, manage, collaborate, and govern at scale with our enterprise platform. Complete Sun and Moon Data for One Day: U. If you don't have R and R Studio installed, you can get them here: R Studio: https:/. NOAA's National Centers for Environmental Information (NCEI) is responsible for preserving, monitoring, assessing, and providing public access to the Nation's treasure of climate and historical weather data and information. The current version, Microsoft R Open 3. Download Open Datasets on 1000s of Projects + Share Projects on One Platform. Where are your tax dollars being spent? Opioid Prescriptions for Utah cities. I want to be able to slurp the data from my CSV files for use with quantmod. news} January 8, 2009 R/Finance 2009: Applied Finance with R. FoodData Central includes the data from this website—Standard Reference (SR) Legacy and the USDA Global Branded Food Products Database—as well as the 2013-2014 Food and Nutrient Database for Dietary Studies (FNDDS); Foundation Foods, which provides expanded nutrient content information; and links to diverse data sources that offer related. In this exercise, you will import data from Alpha Vantage and FRED. Even if you're not interested in analyzing and graphing financial investment data, quantmod has easy-to-use functions for importing economic as well as financial data from sources like the Federal. Open Data Platform. Using quantmod, one can easily load this data into R by specifying the the same ticker symbol that is used in these two web sources. ISD was developed as a joint activity within Asheville's Federal Climate Complex. setSymbolLookup allows the modeller the opportunity to instruct quantmod to source data - given a specific symbol - in a particular manner. Open that R Script file and add one or more. This second part looks at a few ways to analyze historical stock market data using R. As the world’s leader in enterprise cloud data management, we’re prepared to help you intelligently lead—in any sector, category or niche. For more information, see Shape data. We have provided working source code on all these examples listed below. ResearchKit. 3, is based on (and 100% compatible with) R-3. For example…. In this case, we will use google finance and only import the close column, which is the fourth column in the dataset. KIDS COUNT is a project of the Annie E. Combine the power of ArcGIS and R to solve your spatial problems. DatasourceNameForServer This TurboIntegrator local variable sets the name of the data source (. Researchers, the media, public health professionals, and the public can. Adjusted ## 2007-01-03 53. (Historical returns can change, for example, if CRSP revises its database. Note that you can't redistribute this data or generate income through it [0] per the Yahoo TOS [1]. The EU Open Data Portal provides, via a metadata catalogue, a single point of access to data of the EU institutions, agencies and bodies for anyone to reuse. Power Query enables you to combine multiple queries, by merging or appending them. Can't download data from Yahoo Finance using Quantmod in R. The function data. *The data presented on this website was gathered from a variety of government sources. It has of ways to get data from Google Sheets, CSV files, AJAX and server-based data. Inquiries regarding this data can be sent to [email protected] setSymbolLookup allows the modeller the opportunity to instruct quantmod to source data - given a specific symbol - in a particular manner. The streaming data is a 1-week-delayed live stream of download logs from cran. A package bundles together code, data, documentation, and tests, and is easy to share with others. R and ArcGIS work together to solve scientific problems. Since 1983, CDN has been providing clients in Kuwait, United Arab Emirates, Iraq, Qatar and Bahrain with complete range of IT solutions, with particular focus on Local and Wide Area Networks, Wireless Communications, Physical and Data Security, Structured Cabling Systems and IT Infrastructure projects. 2 Introduction. gov CKAN API. [email protected] It is a source for consistently processed ice extent and concentration images and data values since 1979. If a column within the data source doesn't have a default value, that property won't be present. Download Data | Information/FAQ | Personnel Included | Specific Government Positions | Information/FAQ | Personnel Included | Specific. The leaders of the House of Representatives Judiciary Committee said late on Tuesday that they had begun receiving data from Facebook, Alphabet's Google, Amazon and Apple as part of their probe. Wordbank archives data from the MacArthur-Bates Communicative Development Inventory (MB-CDI), a family of parent-report questionnaires and enables researchers to browse these data in interactive analyses and access them via the wordbankr R package. Folks, In this blog we will learn how to extract & analyze the Stock Market data using R! Using quantmod package first we will extract the Stock data after that we will create some charts for analysis. com is now part of RedOrbit. We provide helpful information, offer technical solutions, and share best practices that help make it easier for your business to comply with data protection regulations wherever you operate. KIDS COUNT is a project of the Annie E. FRED is an online database of economic time series data created and maintained by the Federal Reserve Bank of St. Learn more FAQ. " You could try some of the data sources via Quandl instead. Highcharts. You can read and edit spatial data, conduct geoprocessing and spatial analysis and create static and interactive maps. Easily Download Stock Price Data With Quantmod 1 minute read I recently needed to obtain some stock price data for student projects, and found that the R package quantmod does this really nicely and easily. table package. /r/OldSchoolCool **History's cool kids, looking fantastic!** A pictorial and video celebration of history's coolest kids, everything from beatniks to bikers, mods to rude boys, hippies to ravers. Quantitative Financial Modelling Framework. In this tutorial, we will use the quantmod package to obtain stock data. Shi Zhong and Weiyu Tang and Taghi M. As of January 2015, there were over 6,000 packages available on the Comprehensive R Archive Network, or CRAN, the public clearing house for R packages. What are R and R-Forge? R is `GNU S', a freely available language and environment for statistical computing and graphics which provides a wide variety of statistical and graphical techniques: linear and nonlinear modelling, statistical tests, time series analysis, classification, clustering, etc. RecipeSource is the new home of SOAR: The Searchable Online Archive of Recipes and your source for recipes on the Internet. The current version, Microsoft R Open 3. Sweets is the building product information source for the entire project team. There is a library on CRAN that I find very useful: quantmod , that does what I need. What quantmod IS. Available for Mac OS X, Windows, and Linux, Aleph One supports Marathon, Marathon 2 and Marathon Infinity natively. ECAR is dedicated to improving IT's contribution to higher education. I'm trying to get into R because for some personal project, I need R and quantmod to create OHCL charts for me. If you do not have a user name and password, Click [Register], or if you have questions about registering for a new account, click the video to the right of the [Register] button. currencies contains a list of currencies provided by Oanda. The R Journal The R Journal is the open access, refereed journal of the R project for statistical computing. When building models in R, often a formula is passed to the fitting function along with the appropriate data object to search. This file is available here on RStudio Cloud. The official federal statistics on cancer incidence and deaths, produced by the Centers for Disease Control and Prevention (CDC) and the National Cancer Institute (NCI). How to get historical stock data for free — it’s not as easy as it seems the best way to get the data you need for free is to combine various sources to get what you want. Find information on Nascar races, Martinsville speedway tickets, race schedules, standings, motorsports news and track information. Importing Data from Web. state agency sources of abortion statistics. A related website features additional data sets and R scripts so readers can create their own simulations and test their comprehension of the presented techniques. Dummies helps everyone be more knowledgeable and confident in applying what they know. Originates marine weather warnings, forecasts, and guidance in text and graphical format for maritime users in the northern waters of the Atlantic and Pacific. " You could try some of the data sources via Quandl instead. IRBsearch allows investigative professionals to search billions of records from thousands of records, including: criminal records, bankruptcies, property, businesses, reverse phone lookup, employment, and many more. NASA Cloud Data. From there, you can see a summary of your data and get more details. Now, the good news: Thanks to Steve Bronder, getSymbols() can now import data from Tiingo! This feature is part of quantmod 0. And everything in between. H&R Block Dollars & Sense is committed to making sure teenagers nationwide grow up to be financially responsible adults. The variable by which sort you can be a numeric, string or. Missing data are indicated by -99. The analysis will take a look into the long-range and short-range volatility of the stock price. Welcome to the home of InfraRecorder on the internet! InfraRecorder is a free CD/DVD burning solution for Microsoft Windows. The following code snippets demonstrate ways to keep or delete variables and observations and to take random samples from a dataset. source("D:\\myPath\\myRCode. You can also without going to query editor - go to File -> Options and settings -> Data source settings >Right click data sources and chnage source. GPS Visualizer is an online utility that creates maps and profiles from geographic data. Used by specifyModel to retrieve symbols specified in first step of modelling procedure. Press question mark to learn the rest of the keyboard shortcuts. Cookies and Site Data (to remove login status and site preferences) and Cached Web Content (to remove stored images, scripts and other cached content) should both be check marked. R defines the following functions: twiddler: Interactive manipulation of R expressions ; nearfar: Near-Far Matching ; Rsampling: Ports the Workflow of "Resampling Stats" Add-in to R. Mortality Profile launched. The Federal Committee on Statistical Methodology (FCSM) is an interagency committee dedicated to improving the quality of Federal statistics. It gathers around 2,000 sources of data but more importantly it allows the user to manipulate this data via functions and graphics and there is an R package available on CRAN. Find data for your project There is an incredible wealth of economics data available online – but finding the right source can be tricky. Verizon offers a wide variety of plan options including Unlimited Mix and Match, prepaid unlimited and Business unlimited. We invite you to explore our datasets, read about us, or see our tips for users. We recently open sourced 40GB of driving data to assist the participants of the Udacity Self-Driving Car…. For a brief introduction to the ideas behind the library, you can read the introductory notes. I'll show you in this post how to download historical prices for every S&P 500 stock using two programs: R and Excel. Hosted by SCREEN. By default the data is sourced from yahoo. Economic Data. Rmd file or R script. Enigma is an operational data management and intelligence company. Asthma Surveillance Data. You'll find yourself wanting a more flexible time series class in R that offers a variety of methods to manipulate your data. The getSymbols() function has been a work in progress since December 20, 2006. Thank you for reaching out. If you do not have a user name and password, Click [Register], or if you have questions about registering for a new account, click the video to the right of the [Register] button. The turbulence calculation clearly is not the same as referenced originally in Quantivity, but it is a reasonable substitute using Mahalanobis distance and given look-back period. A global systems integrator and managed services provider for hybrid IT. If you've found a photo, or a photo essay, of people from the past looking fantastic, here's the place to share it. However, if the source data has been changed substantially—such as having more or fewer columns, consider creating a new PivotTable. A Source of Economic Time Series Data from Inforum, at the University of Maryland This is the home page for the EconData service of Inforum , at the University of Maryland. org/web/packages/pdfetch/index. RStudio is an active member of the R community. Easy-to-use JavaScript charts - over 60 different visualisations to choose from. © OSRM is free, open source, and available under the very permissive (simplified) 2-clause BSD license. Read the new 2019 Data Breach Investigations Report from Verizon. Continuous Data can take any value (within a range) Examples: A person's height: could be any value (within the range of human heights), not just certain fixed heights, Time in a race: you could even measure it to fractions of a second, A dog's weight, The length of a leaf, Lots more!. New features and bug fixes of the latest release version of R are documented in the file NEWS (also contained in the R sources). TIBCO Software is the leading independent provider of infrastructure software creating event-enabled enterprises to use on-premise or as part of cloud computing environments. Talend Data Fabric offers a single suite of cloud apps for data integration and data integrity to help enterprises collect, govern, transform, and share data. [View Context]. One challenge that arises in this type of deployment is that R is a tool which is intended to be used by trained personnel with familiarity of R or the Python programming language. Manage your Packt account, where you can update your address, review your purchases, update your subscription and change your email preferences. It adds a getSymbols. This data is also available in CSV format. yahoo and getSymbols. What are R and R-Forge? R is `GNU S', a freely available language and environment for statistical computing and graphics which provides a wide variety of statistical and graphical techniques: linear and nonlinear modelling, statistical tests, time series analysis, classification, clustering, etc. Community participation is the prime reason for continuous development and innovation in these open source languages like R, C++, C#, Java, PHP, Python, Ruby, etc. Most individual pages below include a listing of respective references (the above list includes sources for those pages with source lists under construction). Explore the rule of law around the world. Recently added. I need data for this, and the more, the better. oanda functions, respectively. Data is fetched through one of the available getSymbols methods and saved in the env specified - the. gov and the data. Since 1971 Tower Hobbies has been serving hobbyists with radio control cars, trucks, airplanes, boats, drones, plastic models, trains, rockets, and RC supplies. After this course you will have a very good overview of R time series visualisation capabilities and you will be able to better decide which model to choose for subsequent analysis. (It’s free, and couldn’t be simpler!) Get Started. Support The Guardian. The release of EPYC Rome marks a major step in AMD’s. Filter your data. If you have any questions regarding the challenge, feel free to contact [email protected] org/web/packages/pdfetch/index. currencies contains a list of currencies provided by Oanda. Refer to Data Sets for a discussion of other types of data that can be imported into Q. The contact data from Data. R/getSymbols. To be there, day and night, wherever you are, when you need a trusted voice, private and confidential. National Data Buoy Center - Recent observations from buoy 44097 (40. Unfortunately options data is just hard to get access to due to the agreements forced on providers by the exchanges. getSymbols is a wrapper to load data from different sources - be them local or remote. Geography is central to the work of the Census Bureau, providing the framework for survey design, sample selection, data collection, tabulation, and dissemination. To install an R package, open an R session and type at the command line. Use str() to examine the data. Daniel Scharstein • Richard Szeliski • Heiko Hirschmüller. With the knowledge gained in this course,. NET community on GitHub. DATA MINING VIA MATHEMATICAL PROGRAMMING AND MACHINE. Hibernate ORM enables developers to more easily write applications whose data outlives the application process. I came across a new source of data which I think is really worth sharing: ThinkNum. #Introduction. This Google Data APIs documentation applies only to a few APIs, as described in the GData API Directory. The Tickers What you'll really need first is a list of the ticker symbols for every stock in the index. For your convenience, below are links to GIS resources for North Carolina counties and municipalities. *The data presented on this website was gathered from a variety of government sources. Skip to main content. We thrive on community collaboration to help us create a premiere resource for open source software development and distribution. stock from Yahoo, saving it to a working directory, whose path is in a variable string wdir , and later retrieving the. Report Writing for Data Science in R - R-based methods for reproducible research and report generation. Product Validation; Global L3 Trends; Level-3 Time Series Plotter; Overpass Predictor; OceanColor Forum; Docs. Impossible values (e. R does try-catch-finally differently. The UN publishes data at data. Air Photos; Circulation Policy; Citing Cartographic Materials; Finding an NTS Number; Obtaining Maps; Online Resources. 2 thousand tutorials and articles to learn from. I also recommend installing RStudio, which is an interface with a lot of additional resources for R. And everything in between. CEPI data are available on the MI School Data portal, including test scores, headcount information, and more. Using either quantmod or the R package Quandl (both available from CRAN), attempt to fetch (daily) price data for each symbol in the list created in step one in a loop for a certain date range. The IDB makes no warranties (i) with respect to the accuracy, validity, completeness or timeliness of any of the data provided under the Web. You can then use the Query Editor to edit query steps to shape or transform data. Virtualize even the most resource-intensive applications with peace of mind. com is now part of RedOrbit. The basic concept is that of acorpus. I just started with quantmod package. The indicators featured in the Data Book are also available in the Data Center. FoodData Central includes the data from this website—Standard Reference (SR) Legacy and the USDA Global Branded Food Products Database—as well as the 2013-2014 Food and Nutrient Database for Dietary Studies (FNDDS); Foundation Foods, which provides expanded nutrient content information; and links to diverse data sources that offer related. , enabling them to remotely access OPeNDAP served data). The Research and Economic Analysis Division is administered by Dr. And because the worlds of data and AI have become so intertwined, all O'Reilly Strata Data and AI Conferences will be colocated in 2020. The UNEP Environmental Data Explorer (former UNEP GEO Data Explorer) online database holds more than 450 different variables, as national, subregional, regional and global statistics or as geospatial data sets (maps), covering themes like Freshwater, Population, Forests, Emissions, Climate, Disasters, Health and GDP. If in a hurry, simply enter the search term in the search box and a list of related topics will be shown. Tiingo is a web service that provides tools and data for financial analysis. A Guide to the NIST Chemistry WebBook: A guide to this site and the data available from it. gitignore based R. The National Health and Nutrition Examination Survey (NHANES) has been an important source of information on oral health and dental care in the United States since the early 1970s. cma file, cube name, ODBC source) used by the server when executing the process. National Data Buoy Center - Recent observations from buoy 44097 (40. The Tickers What you'll really need first is a list of the ticker symbols for every stock in the index. Statistics and Data Analysis for Financial Engineering with R Examples, 2nd ed. Removing quantmod::as. Each element of this list will be named with the expiration month, day, and year (for Yahoo sourced data). I've been using getSymbols() to. 4-0 from CRAN) Anyway, thanks for the suggestions. Calculator Name Calculator; Inflation Easily find out how the buying power of the dollar has changed over the years using the inflation calculator.