Tag
time series
2 answered questions tagged “time series”. Browse and search all answers, or ask your own.
Searches the time series answers on this page. Search all answers
How do you test whether event counts vary by month?
A chi-square goodness-of-fit test weighted by month length, its blind spots, and a Poisson regression that tests one seasonal wave on 2 df.
Read the answer →Interrupted time series vs event study vs difference-in-differences
All three estimate the effect of an intervention, but each builds its counterfactual differently. Here is how to tell them apart.
Read the answer →