1433 search results for "Excel"

XLConnect 0.2-4

February 3, 2013
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XLConnect 0.2-4

Mirai Solutions GmbH (http://www.mirai-solutions.com) is very pleased to announce the release of XLConnect 0.2-4, which is available from CRAN. This newest release comes along with a number of new features: Ability to read cached cell values. There is a new … Continue reading →

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General Navigation in R

February 1, 2013
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General Navigation in R

So you’ve finally managed to install the pesky environment but have no idea what you are looking at when you open the program. This tutorial is for you. (Again, here is a version with screenshot pictures). When you open R, it might look different than the screenshots in the picture version of the tutorial. This

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Applying Tradeblotter’s Nice Work Across Manager Rather than Time

January 28, 2013
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Applying Tradeblotter’s Nice Work Across Manager Rather than Time

Ever since I saw the very helpful distribution page first presented in Download and parse EDHEC hedge fund indexes, I have used it liberally.  Now that it is has been functionalized (Visually Comparing Return Distributions), I thought I would amen...

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Getting Started with F1 Betting Data

January 28, 2013
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Getting Started with F1 Betting Data

As part of my “learn about Formula One Stats” journey, one of the things I wanted to explore was how F1 betting odds change over the course of a race weekend, along with how well they predict race weekend outcomes. Courtesy of @flutterF1, I managed to get a peek of some betting data from one

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[R-bloggers]RcmdrPlugin.KMggplot2_0.2-0 is on CRAN now

January 23, 2013
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[R-bloggers]RcmdrPlugin.KMggplot2_0.2-0 is on CRAN now

I posted a new version of the ”RcmdrPlugin.KMggplot2” package, which is an Rcmdr plug-in for a ”ggplot2” GUI front-end. This package assists you to make ”ggplot2” graphics. RcmdrPlugin.KMggplot2 (CRAN) NEWS Changes in version 0.2-0 (2013-01-23) Added the

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Randomly deleting duplicate rows from a dataframe

January 22, 2013
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Randomly deleting duplicate rows from a dataframe

I use R a lot in my day to day workflow, particularly for manipulating raw data files into a format that can be used for analysis. This is often a brain-taxing exercise and, sometimes, it would be totally quicker to … Continue reading →

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Randomly deleting duplicate rows from a dataframe

January 22, 2013
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Randomly deleting duplicate rows from a dataframe

I use R a lot in my day to day workflow, particularly for manipulating raw data files into a format that can be used for analysis. This is often a brain-taxing exercise and, sometimes, it would be totally quicker to … Continue reading →

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A strained Data Science analogy

January 21, 2013
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In the sponsored article Data Science: Buyer Beware at Forbes, SAP's Ray Rivera takes a dim view of Data Science. According to Rivera, Data Science is a "management fad" in the mold of Business Process Reengineering, and casts data scentists as self-ordained "gurus" whose mission is to stand between the "ignorant masses" that need access to data and a...

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In case you missed it: December 2012 Roundup

January 17, 2013
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In case you missed them, here are some articles from December of particular interest to R users. The blog is.R ran an excellent series of R tips and applications in December, with posts including working with Stata files, working with graphs and networks, and text analysis. Kohske Takahashi provides R scripts to create a collection of optical illusions. Highlights...

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Reserving based on log-incremental payments in R, part II

January 15, 2013
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Reserving based on log-incremental payments in R, part II

Following on from last week's post I will continue to go through the paper Regression models based on log-incremental payments by Stavros Christofides . In the previous post I introduced the model from the first 15 pages up to section F. Today I will progress with sections G to K which illustrate the model with a...

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