I’ve been asked several times what made me change my mind about SAS Enterprise Guide. SAS EG and my husband have a lot in common. For one thing, neither made a great first impression. When I first met Dennis and saw that he was the same size as me (which my third daughter says is…
At the JMP seminar on Monday, when Dick De Veaux said that 65-70% of time in all research projects is spent on data cleaning, everyone in the audience groaned in agreement. One of the biggest problems I run into is recoding those simple textboxes. For example, we often want to look at data for one…
The model is non-significant, therefore my theory is supported. Huh? Just when you thought it was safe to get back into statistics… It took you two years of graduate school but now you have it down. P-value low = good, relationship detected, publication, tenure, Abercrombie & Fitch models at your feet. P-value = high, no…
Lately I have been on a roll looking at relatively less common statistical techniques, proportional hazards, survival analysis, etc. In keeping with that, I have been taking a look at propensity score matching, fondly known as PSM by, – well, by no one actually. The problem to be solved …. Think about some of these…