Check primary data for common data quality issues, such as NaNs, NAs, outliers, unique rows, and empty variables.
Details
Prints summary stats for all variables in dat. Prints column
names that contain NaNs or NAs. Checks for outliers for specified variable
x. Checks that all column names are unique, whether any columns in
dat are empty, whether each row is a unique choice occurrence at the
haul or trip level, that data for either lat/lon or fishing area are included.
The function is also called by other functions.
