One of the most frequent questions I get about logistic regression is “How can I tell if my model fits the data?” There are two general approaches to answering this question. One is to get a measure of how well you can predict the dependent variable based on the independent variables. The other is to […]
Categories: Quantitative
Continue ReadingThis month I’m going to take a break from statistical methods and focus, instead, on a particular statistic: citation counts. Recently I discovered Google Scholar Citations, and I was blown away. Introduced in November 2011, this web-based service has the potential to revolutionize the counting of citations to individual persons and their published works. And […]
Categories: Quantitative
Continue ReadingOver the last decade, multiple imputation has rapidly become one of the most widely-used methods for handling missing data. However, one of the big uncertainties about the practice of multiple imputation is how many imputed data sets are needed to get good results. In this post, I’ll summarize what I know about this issue. Bottom […]
Categories: Big Data
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