Blog Archives

Announcing a major update to merTools

December 13, 2016
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merTools is an R package that is designed to make working with multilevel models from lme4, particularly large models with many random effects, fast and easy. With merTools you can generate prediction intervals that incorporate various components of uncertainty (fixed effect, random effect, and model uncertainty), you can get the expected rank of individual random effect levels (a combination...

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Introducing the R Data Science Livestream

September 22, 2016
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Have you ever watched a livestream? Have you ever wondered what the actual minute to minute of doing data science looks like? Do you wonder if other R users have the same frustrations as you? If yes -- then read on!I'm off on a new professional adventure where I am doing public facing work for the first time in...

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Version 0.9.0 of eeptools released!

September 22, 2015
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A long overdue overhaul of my eeptools package for R was released to CRAN today and should be showing up in the mirrors soon. The release notes for this version are extensive as this represents a modernization of the package infrastructure and the reim...

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Announcing the caretEnsemble R package

January 20, 2015
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Last week version 1.0 of the caretEnsemble package was released to CRAN. I have co-authored this package with Zach Mayer, who had the original idea of allowing for ensembles of train objects in the caret package. The package is designed to make it easy...

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On Early Warning Systems in Education

December 11, 2014
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Recently the NPR program Marketplace did a story about the rise of the use of dropout early warning systems in public schools that you can read or listen to online. I was lucky enough to be interviewed for the piece because of the role I have play...

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Launching DATA-COPE

August 28, 2014
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Really excited to launch my new website  - DATA-COPE, a place for education data analysts to share ideas, learn about the latest tools and policies affecting their work, and to keep the pulse on education analytics and the role they play in i...

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Of Needles and Haystacks: Building an Accurate Statewide Dropout Early Warning System in Wisconsin

August 25, 2014
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Of Needles and Haystacks: Building an Accurate Statewide Dropout Early Warning System in Wisconsin

For the past two years I have been working on the Wisconsin Dropout Early Warning System, a predictive model of on time high school graduation for students in grades 6-9 in Wisconsin. The goal of this project is to help schools and educators have an ea...

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Mixed Effects Tutorial 2: Fun with merMod Objects

May 17, 2014
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(This article was first published on Data, Evidence, and Policy - Jared Knowles, and kindly contributed to R-bloggers) To leave a comment for the author, please follow the link and comment on their blog: Data, Evidence, and Policy - Jared Knowles. R-bloggers.com offers daily e-mail updates about R news and tutorials on topics such as: Data science, Big Data,...

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eeptools 0.3 Released!

December 9, 2013
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Version 0.3 of my R package of miscellaneous code has been released, this time with substantial contributions from Jason Becker via GitHub. Progress continues toward the ultimate goal for eeptools to "make it easier for administrators at stat...

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My current R projects at the end of 2013

December 4, 2013
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I have been meaning to write a long post explaining each of the major R projects I am currently working on, but I can't seem to find the time to get to them. Instead, I give you a short summary of a few R projects/experiments/ideas I am kicking around....

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