Anyone familiar with transportation modeling is familiar with processes that iterate through data. Gravity models iterate, feedback loops iterate, assignment processes iterate (well, normally), model…
View More Iterating Through DBFs – R Style!Category: R
ggplot2: Cheatsheet for Visualizing Distributions
In the third and last of the ggplot series, this post will go over interesting ways to visualize the distribution of your data. I will…
View More ggplot2: Cheatsheet for Visualizing DistributionsUsing apply, sapply, lapply in R
This is an introductory post about using apply, sapply and lapply, best suited for people relatively new to R or unfamiliar with these functions. There…
View More Using apply, sapply, lapply in RStatistics meets rhetoric: A text analysis of “I Have a Dream” in R
This article was first published on analyze stuff. It has been contributed to Anything but R-bitrary as the second article in its introductory series. By…
View More Statistics meets rhetoric: A text analysis of “I Have a Dream” in RA million ways to connect R and Excel
In quantitative finance both R and Excel are the basis tools for any type of analysis. Whenever one has to use Excel in conjunction with R,…
View More A million ways to connect R and ExcelLevel and contour plots of Raster objects.
Description Level and contour plots of Raster objects with lattice methods and marginal plots with grid objects. Usage ## S4 method for signature ‘Raster,missing’ levelplot(x, data=NULL, layers, margin=!(any(is.factor(x))), FUN.margin=mean,…
View More Level and contour plots of Raster objects.Some simple functions for subsetting images
image2lz {fields} Some simple functions for subsetting images Package: fields Version: 6.9.1 Description These function help in subsetting images or reducing its size by averaging…
View More Some simple functions for subsetting imagesExploratory Data Analysis (EDA) and Regression
This tutorial demonstrates some of the capabilities of R for exploring relationships among two (or more) quantitative variables. Bivariate exploratory data analysis We begin by…
View More Exploratory Data Analysis (EDA) and RegressionAnimated plots in R and LaTeX
Published on 13 October 2010 I like to use animated plots in my talks on functional time series, partly because it is the only way to really…
View More Animated plots in R and LaTeXMaps in R: choropleth maps
January 23, 2013 By Max Marchi (This article was first published on Milano R net, and kindly contributed to R-bloggers) This is the third article of…
View More Maps in R: choropleth maps