Iterating Through DBFs – R Style!
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!Example committee invite email
Example 1 XXX, I was wondering if you would be willing to be on my dissertation committee. The dissertation is on memory discrimination in Pavlovian…
View More Example committee invite emailCreating a quarter quarter section grid with Python
Download the Section Grid Toolbox – works with ArcGIS 10.1+ (contains 4 tools to make quarter and quarter quarter section grids with labels) I was tasked…
View More Creating a quarter quarter section grid with PythonWord 2010 Shortcuts
Shortcut Description Alt Select the active tab of the Ribbon and activate the access keys. Press again to move back to the document and cancel…
View More Word 2010 Shortcutsggplot2: 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 ExcelSimple Spatial Correlograms for Cross-Country Analysis in R
Accounting for temporal dependence in econometric analysis is important, as the presence of temporal dependence violates the assumption that observations are independent units. Historically, much…
View More Simple Spatial Correlograms for Cross-Country Analysis in RLevel 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.