Mapping Capabilities in R
(This article was first published on Statistical Research » R, and kindly contributed to R-bloggers) From time-to-time creating a basic map of the United States or other parts of the world to...
View ArticleUsing R to Compare Hurricane Sandy and Hurricane Irene
(This article was first published on Statistical Research » R, and kindly contributed to R-bloggers) Having just lived through two back to back hurricanes (Irene in 2011 and Sandy in 2012) that passed...
View ArticleWhat Time Is It?
(This article was first published on Statistical Research » R, and kindly contributed to R-bloggers) A common scenario that I run into is time and how to deal with it. I often will do a variety of...
View ArticleHurricane Sandy Land Wind Speed and Kriging
(This article was first published on Statistical Research » R, and kindly contributed to R-bloggers) NJ Hurricane Sandy Landfall Data These data come from the National Climatic Data Center (NCDC)....
View ArticleEarthquakes Over the Past 7 Days
(This article was first published on Statistical Research » R, and kindly contributed to R-bloggers) This is a brief example using the maps in R and to highlight a source of data. This is real-time...
View ArticlePlotting Likert Scales
(This article was first published on Statistical Research » R, and kindly contributed to R-bloggers) Graphs can provide an excellent way to emphasize a point and to quickly and efficiently show...
View ArticleImporting Data Into R from Different Sources
(This article was first published on Statistical Research » R, and kindly contributed to R-bloggers) I have found that I get data from many different sources. These sources range from simple .csv...
View ArticleMean Value from Grouped Data
(This article was first published on Statistical Research » R, and kindly contributed to R-bloggers) Occasionally, I will get requests from clients to calculate the mean. Most of the time it’s a...
View ArticleEstimating Pi
(This article was first published on Statistical Research » R, and kindly contributed to R-bloggers) Recently I’ve been working on some jackknife and bootstrapping problems. While working on those...
View ArticleTrue Significance of a T Statistic
(This article was first published on Statistical Research » R, and kindly contributed to R-bloggers) The example is more of a statistical exercise that shows the true significance and the density...
View ArticleY2K38: Our Own Mayan Calendar…Again
(This article was first published on Statistical Research » R, and kindly contributed to R-bloggers) It’s not quite the end of the world as we know it. We made it through December 21, 2012 unscathed....
View ArticleBinomial Confidence Intervals
(This article was first published on Statistical Research » R, and kindly contributed to R-bloggers) This stems from a couple of binomial distribution projects I have been working on recently. It’s...
View ArticleBootstrap Confidence Intervals
(This article was first published on Statistical Research » R, and kindly contributed to R-bloggers) Here is an example of nonparametric bootstrapping. It’s a powerful technique that is similar to...
View ArticleDistribution of T-Scores
(This article was first published on Statistical Research » R, and kindly contributed to R-bloggers) Like most of my post these code snippets derive from various other projects. In this example it...
View ArticleSimulating Random Multivariate Correlated Data (Continuous Variables)
(This article was first published on Statistical Research » R, and kindly contributed to R-bloggers) This is a repost of an example that I posted last year but at the time I only had the PDF document...
View ArticleSimulating Random Multivariate Correlated Data (Categorical Variables)
(This article was first published on Statistical Research » R, and kindly contributed to R-bloggers) This is a repost of the second part of an example that I posted last year but at the time I only...
View ArticleSignificant P-Values and Overlapping Confidence Intervals
(This article was first published on Statistical Research » R, and kindly contributed to R-bloggers) There are all sorts of problems with p-values and confidence intervals and I have no intention (or...
View ArticleDirichlet Process, Infinite Mixture Models, and Clustering
(This article was first published on Statistical Research » R, and kindly contributed to R-bloggers) The Dirichlet process provides a very interesting approach to understand group assignments and...
View ArticleFinding the Distribution Parameters
(This article was first published on Statistical Research » R, and kindly contributed to R-bloggers) This is a brief description on one way to determine the distribution of given data. There are...
View ArticleSimulating the Gambler’s Ruin
(This article was first published on Statistical Research » R, and kindly contributed to R-bloggers) The gambler’s ruin problem is one where a player has a probability p of winning and probability q...
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