tidy-finance
Change all `month` columns to `date`
The issue came up with r-tidyfinance: All month columns are actually dates and the frequency is in the object name anyway, e.g., crps_monthly vs crsp_daily. For month, one would typically expect the number of the month or the month name. In particular, when there is a date AND a month column in the same table, then it is confusing.
As a reader, I was confused by it for 1 second but quickly made sense of it. month would remind me it's actually a ym in the format of ymd. If it's changed to date, it would be more confusing as one doesn't know 2024-07-01 corresponds to data in June or July.
We have come to a decision for the R tidyfinance package and should also implement the date for the books. See also the new vignette: https://cran.r-project.org/web/packages/tidyfinance/vignettes/dates-in-tidyfinance.html