4094 search results for "git"

Adding Comments to CSV Files

January 11, 2013
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Various of my R scripts produce csv files as output. For instance, I run a lengthy SVM back test, the end result is a csv file containing the indicator with some additional information. The problem is that over time one loses track what exactly the file contained and what parameters were used to produce it.

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Shiny Apps

January 11, 2013
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Shiny Apps

I have been working on developing some interactive tools for demonstrating statistical principles. The advent of the shiny framework for R from the RStudio team has made this very easy to do. These demos are still in the development...

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DC R Meetup: “Analyze US Government Survey Data with R”

January 10, 2013
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DC R Meetup: “Analyze US Government Survey Data with R”

I really enjoyed tonight’s DC R Meetup, presented by the prolific Anthony Damico. I’ve met Anthony before to discuss whether the Census Bureau could either… publish R-readable … Continue reading →

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Webinar Jan 24: Using R with Hadoop

January 10, 2013
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In two weeks (on January 24), Think Big Analytics' Jeffrey Breen will present a new webinar on using R with Hadoop. Here's the webinar description: R and Hadoop are changing the way organizations manage and utilize big data. Think Big Analytics and Revolution Analytics are helping clients plan, build, test and implement innovative solutions based on the two technologies...

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Stacked Bar Charts in R

January 10, 2013
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Stacked Bar Charts in R

Reshape Wide to LongLet's use the Loblolly dataset from the datasets package. These data track the growth of some loblolly pine trees.> Loblolly   height age Seed1    4.51   3  30115  10.89   ...

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Reading Codebook Files in R

January 10, 2013
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One issue I continuously encounter when starting to work with a new dataset is that of the codebook. In general, I prefer to load a codebook into R like any other data source, specifically as a data frame. And ideally, one data frame to provides the variable names with descriptions and any other meta data available, and a separate...

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Maps in R: Plotting data points on a map

January 10, 2013
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Maps in R: Plotting data points on a map

In the introductory post of this series I showed how to plot empty maps in R. Today I'll begin to show how to add data to R maps. The topic of this post is the visualization of data points on … Continue reading →

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Getting Access data into R

January 9, 2013
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WordPress Stats in R

January 9, 2013
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WordPress Stats in R

A trackback from Martin Hawksey’s recent post on Analysing WordPress post velocity and momentum stats with Google Sheets (Spreadsheet), which demonstrates how to pull WordPress stats into a Google Spreadsheet and generates charts and reports therein, reminded me of the WordPress stats API. So here’s a quick function for pulling WordPress reports into R. (Code

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Annoucing the Rcpp Gallery

January 8, 2013
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Earlier this morning, JJ announced what we had been working on for the last few weeks: the Rcpp Gallery. Now, as our luck will have it, the Rcpp-devel list received his message but did not transmit it for an apparent mail system outage at WU Vienna:...

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