I find myself once again this week reading stats papers that range from “slightly over my head” to “I have no idea what you people are talking about,” in an attempt to figure out the right thing to do with a dataset involving observations that are not independent. The dataset consists of conversations between dyads [...]
Posts under ‘analysis’
managing data analysis scripts
I’ve been revisiting the various scripts I wrote to analyze my thesis data, so I can use them again on a new dataset. The problem is, I’m finding it both easier and harder than I expected to reconstruct what I did. The “easy” part is due to the fact that I was apparently totally anal [...]
supplemental statistics
I came across a really interesting paper recently after seeing it referred to in a news story: Female teachers’ math anxiety affects girls’ math achievement (Beilock et al., 2010, PNAS, with Supplemental information) The researchers recruited 17 first- and second-grade teachers (all female) and assessed the math achievement of the students in their classrooms at the [...]
large datasets and threats to validity
I just read “Limits of Predictability in Human Mobility” by Chaoming Song, et al. (Science, Vol. 327, 2010). The paper reports an analysis of a really amazing dataset: three months of cell phone records for ~10 million customers of a large European carrier (“anonymized by the data source”). These records include information about the cell [...]
beyond significance testing
I’ve been reading a book lately before bed, a little bit at a time: Beyond Significance Testing, by Rex B. Kline. It isn’t exactly a suspenseful page-turner; maybe if I tried reading it some other time of day than when I am already sleepy I might be able to get through it faster. The purpose [...]
