Econometric Sense

Anyone that has had a basic statistics course is familiar with the idea that the mean can be biased, or influenced by outliers. Basic m...

 ' Statistical Modeling: The Two Cultures'  by L. Breiman (Statistical Science 2001, Vol. 16, No. 3, 199–231) is an interesting pap...

Often, after conducting an analysis, I've been asked which variables are the most important? While a simple and practical question, the ...

This is a question that puzzled me. After going through several undergraduate courses in statistical inference, and a rigorous theoretical t...

 ' Statistical Modeling: The Two Cultures' by L. Breiman (Statistical Science 2001, Vol. 16, No. 3, 199–231) is an interesting pap...

Earlier I had a problem that required merging 3 years of trade data, with about 12 csv files per year. Merging all of these data sets with p...

(note scroll all the way down to see 'old code' and 'new more flexible code' Recall and older post that presented overlapp...