# 5385 search results for "git"

## WrightMap Tutorial – Part 2

March 24, 2014
By

Plotting Multidimensional & Polytomous Models Remember: you can find the other parts of the tutorial here: Part 1: Plotting Unidimensional Dichotomous Models Part 3: Using Conquest Output & Making Thresholds Multidimensional models In Part 1, we reviewed how to install the package from GitHub and how to customize unidimensional and dichotomous models. Now in Part 2, we’ll look at graphing some...

Read more »

## Experimenting With R – Point to Point Mapping With Great Circles

March 24, 2014
By

I’ve started doodling again… This time, around maps, looking for recipes that make life easier plotting lines to connect points on maps. The most attractive maps seem to use great circles to connect one point with another, these providing the shortest path between two points when you consider the Earth as a sphere. Here’s one

Read more »

## Reminder: Abstract submission for the 2014 ‘R in Insurance’ conference will close this Friday

March 24, 2014
By

Don't forget, this is the final week you can submit an abstract for the second R in Insurance conference. For more details see http://www.rininsurance.com and perhaps for inspiration review last year's programme.

Read more »

## Random Love

March 23, 2014
By

Anyone who considers arithmetical methods of producing random digits is, of course, in a state of sin (John von Newman) Ms. Positive and Mr. Negative live in a one-dimensional world and are falling in love. But beginnings are not always easy. They have a big problem: none of them like the other’s neighborhood. Ms. Positive

Read more »

## ThinkToStartR package

March 23, 2014
By

***ALPHA*** I just started to work on my new package for this blog. This R package will include the code of all my tutorials and will make it accessible with easy function calls. Install To install the ALPHA version of the package open up R and use: Usage In this first ALPHA version the package …

Read more »

## Create Twitter Wordcloud with Sentiments

March 23, 2014
By

You can use this tutorial in the ThinkToStartR package with: ThinkToStart(“SentimentCloud”,”KEYWORD”,# of tweets,”DATUMBOX API KEY”) Hey everybody, some days ago I created a wordcloud filled with tweets of a recent german news topic. And a lot of people asked me if I have some code how I created this cloud. And so here it is. …

Read more »

## Seamless analytical environment by WDI, dplyr, and rMaps

March 22, 2014
By

Recently I found that My R Guru @ramnath_vaidya is developping a new visualization package rMaps. I was so excited when I saw it for the first time and I think that it's really awesome for plotting any data on a map....

Read more »

## Stochastic search variable selection in JAGS

March 22, 2014
By

Stochastic search variable selection (SSVS) identifies promising subsets of multiple regression covariates via Gibbs sampling (George and McCulloch 1993). Here’s a short SSVS demo with JAGS and R. Assume we have a multiple regression problem: We suspect only a subset of the elements of $\boldsymbol{\beta}$ are non-zero, i.e. some of the covariates have no effect. Assume $\boldsymbol{\beta}$...

Read more »

## Stochastic search variable selection in JAGS

March 22, 2014
By

Stochastic search variable selection (SSVS) identifies promising subsets of multiple regression covariates via Gibbs sampling (George and McCulloch 1993). Here’s a short SSVS demo with JAGS and R. Assume we have a multiple regression problem: We suspect only a subset of the elements of $boldsymbol{beta}$ are non-zero, i.e. some of the covariates have no effect. Assume $boldsymbol{beta}$ arises from...

Read more »

## httr 0.3

March 21, 2014
By

We’re very pleased to announce the release of httr 0.3. httr makes it easy to work with modern web apis so that you can work with web data almost as easily as local data. For example, this code shows how might find the most recently asked question about R on stackoverflow: httr 0.3 recieved a

Read more »