894 search results for "Finance"

In case you missed it: Septemer 2016 roundup

October 7, 2016
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In case you missed them, here are some articles from September of particular interest to R users. The R-Ladies meetups and the Women in R Taskforce support gender diversity in the R community. Highlights from the Microsoft Data Science Summit include recordings of many presentations about R, and the keynote "The Future of Data Analysis" by Edward Tufte. An...

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15 new jobs for R users – from around the world (2016-10-06)

October 6, 2016
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15 new jobs for R users – from around the world (2016-10-06)

  To post your R job on the next post Just visit this link and post a new R job to the R community. You can either post a job for free (which works great), or pay $50 to have your job featured (and get extra exposure). Current R jobs Job seekers: please follow the links below to learn more and apply for your R job of...

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Analyzing #first7jobs tweets with Monkeylearn and R

October 1, 2016
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Analyzing #first7jobs tweets with Monkeylearn and R

Note that this is a repost of my post on Monkeylearn’s blog. Introduction Have you tweeted about your “#firstsevenjobs”? I did! “#firstsevenjobs” and “#first7jobs” tweets initial goal was to provide a short description of the 7 fir...

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Visualization with R: Time plots #rstats

September 23, 2016
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Visualization with R: Time plots #rstats

R is a great tool to visualize your data: it is free to use and has lots packages to make beautiful plots. In this post, we gonna teach you how to make time plots to visualize stock returns with data from Yahoo finance. For those not familiar with how to automatically download data from Yahoo...

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New Zealand Election Study individual level data

September 17, 2016
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New Zealand Election Study individual level data

Individual level data is essential to understand voting behaviour My previous analysis has occasionally come up against the problem “only individual level data could resolve that,”. Since I last wrote that, the New Zealand Election Study data for ...

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Visualizing Arkansas traffic fatalities

September 15, 2016
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Visualizing Arkansas traffic fatalities

Nathan here again with another guest post. I recently started a master’s program at UALR in information science, so I’ve been following several blogs on statistical programming and visualization. One of the best sites I’ve found is R-bloggers, which is dedicated to the popular statistical programming language R. A recent post on R-bloggers by Lucas Puente on mapping traffic...

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It’s Time!

September 14, 2016
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It’s Time!

...to ggplot some xts objects. - The xts package is fantastic for time-series data manipulation. You can easily convert to and apply functions to different frequencies, merge with other time series vertically and horizontally, and...

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How to Check Data Quality using R

August 31, 2016
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  By Milind Paradkar Do You Use Clean Data? Always go for clean data! Why is it that experienced traders/authors stress this point in their trading articles/books so often? As a novice trader, you might be using the freely available data from sources like Google or Yahoo finance. Do such sources provide accurate, quality data?... The post How...

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quantmod 0.4-6 on CRAN

August 29, 2016
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CRAN just accepted a bugfix release of quantmod.  The most pertinent changes were to fix getSymbols.oanda (#36) and getOptionChain.yahoo (#92).  It also includes a fix to addTRIX (#72).Oanda changed their URL format from http to https, and getSymbols.oanda did not follow the redirect.  Yahoo Finance changed the HTML for displaying options data, which broke getOptionChain.yahoo.  The...

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RDBL – manipulate data in-database with R code only

August 29, 2016
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RDBL – manipulate data in-database with R code only

In this post I introduce our own package RDBL, the R DataBase Layer. With this package you can manipulate data in-database without writing SQL code. The package interprets the R code and sends out the corresponding SQL statements to the database, fully transparently. To minimize overhead, the data is only fetched when absolutely necessary, allowing Related Post

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