R Cheat Sheets: ggplot2- Updated Blog Post

Note: the below was originally written and published in November 2018. I edited the post for clarity and added a few notes on accessing some learning resources in R Studio itself, but you can still find the original here. This month I'm making lots of graphs in R and wanted to share some of the… Continue reading R Cheat Sheets: ggplot2- Updated Blog Post

Publicly Available Data Sets for Learning and Teaching

Whether you're learning basic coding in R or mastering the intricacies of mixed-model ANOVAs in SAS, it helps to have some data to practice with. I frequently make up small data sets for this blog based on random number sequences or subsets of other data I've collected, but when I need larger data sets these… Continue reading Publicly Available Data Sets for Learning and Teaching

R Tutorial by Hasse Walum and Desirée de Leon

I came across this truly delightful introduction to R and summary statistics tutorial while reminding myself how to write functions in R. I was impressed by how Teacups, Giraffes, & Statistics covers R basics with clarity and specificity while being incredibly endearing. This was the first place I've seen interactive R windows on websites, and… Continue reading R Tutorial by Hasse Walum and DesirĂ©e de Leon

Export Resolution in Draw.io

Last winter I briefly highlighted Draw.io, a free flow charting tool comparable to Microsoft Visio (see that intro here). I use Draw.io pretty frequently, but I still haven't written more detailed how-tos for Spatially Challenged. The interface is pretty user-friendly, so I didn't think there was much worth a step-by-step article. Today is the first… Continue reading Export Resolution in Draw.io

Geographically Weighted Regression in SAGA

Since I mentioned kernels last week, I figured this would be a good time to go over the geographically weighted regression (GWR) procedure in SAGA. Once again, I don't have good example data I can post online for this topic, so you'll have to forgive the lack of pictures. GWR is an interesting method with… Continue reading Geographically Weighted Regression in SAGA