Monthly Archives: April 2008

Mapping with R: Third grade proficiency gaps in 2007

Here are some new maps displaying math and reading achievement gaps in early elementary school, suggesting disparities at kindergarten entry. I will write more on these in a later post. Click on the thumbnails below to see full maps:

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Spring break canoe trip

Amy and I canoed the Buffalo National River in Arkansas over spring break–three nights, three days, 45 miles. I highly recommend it. The Buffalo offers beautiful limestone-tinted water, huge cliffs, manageable rapids, and wildlife galore. It’s also 12 hours south … Continue reading

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Mapping with R: Choropleth of 3rd grade reading proficiency in the Twin Cities

I decided to make a more advanced map, one with some relevance to my graduate studies in evaluation and educational psychology. This map shows geographic variation in third grade reading proficiency as measured by the 2005 Minnesota Comprehensive Assessment (MCA). … Continue reading

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About me

Current position -Data scientist Research interests -Preventing educational and health disparities -Program and policy evaluation -Spatial statistical methods and the geography of education -Causal theory and inference -Latent variable models (item response theory, factor analysis, structural equation models) -Mixed models … Continue reading

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Mapping with R

I have been learning R software for statistical computing. I have used it for all of my homework assignments in EPSY 8261 (Probability and Inference) and 8262 (Regression and the General Linear Model). My prof has an R blog here: … Continue reading

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