I'm going to continue highlighting words I get asked about regularly. Today's feature: multicollinearity! This is a word you've probably heard about in stats class, but might not know specifically what it is or why it matters. We worry about multicollinearity when we are using multiple independent variables to model one output. One of your… Continue reading Vocab Word: Multicollinearity
Author: matcham2.0
Data Downloads: 2017 Ag Census
The 2017 Census of Agriculture results will be released on Thursday, April 11th. If you're looking for updated production information, this is a great resource. Here are some quick facts about the census and some ways to see the results! What is the Census of Agriculture? It's a record of all the humans, animals, and… Continue reading Data Downloads: 2017 Ag Census
Trial Design App: PLOTS
Field season is basically here, and I am ready to get out of the office. Most of us have our plot maps made already, but we all have a few trials that slipped through the cracks. One great tool, especially for on-farm research, is the Ohio State PLOTS app. PLOTS can help you design a… Continue reading Trial Design App: PLOTS
Data Downloads: DEMs
There are four types of spatial data I download frequently for research purposes-- aerial images, digital elevation models (DEMs), soil maps, and county or other political maps. You can learn more about the first type, aerial images, in one of my early blog posts about Google Satellite, OpenLayers for QGIS, and OGRIP. Today I'm going… Continue reading Data Downloads: DEMs
Vocab Word: Cache
There are some words I get asked about a lot, so I decided to make a running feature on my blog about them. Today's word is cache. It can be a noun or a verb, but I'm going to focus on the verb use because that's the one I get asked about. What does it… Continue reading Vocab Word: Cache
Saving Layer Style Files in QGIS
Sometimes getting a layer to be displayed precisely how you want it can be a tedious process in QGIS. Fortunately, there is a way to save that style so you can apply it to the same layer in another project, or to another layer with similar attributes. Most of the time I use layer style… Continue reading Saving Layer Style Files in QGIS
Averaging Plot Data in Excel
Back in January I shared my favorite way to average plot data in R, but some of my lab mates don't use R and are looking for an alternative. They keep averaging their plot data by highlighting 10 cells at a time and using the AVERAGE function, which is rather inefficient and introduces human error.… Continue reading Averaging Plot Data in Excel
