In a few rare cases, we've seen 23andMe files with unusual chromosome and/or position values, which would cause the files to fail to parse correctly.
This change instead drops rows with missing values in those columns, and standardises chromosome names into the string representation (instead of a numeric form sometimes detected).
In a few rare cases, we've seen 23andMe files with unusual chromosome and/or position values, which would cause the files to fail to parse correctly.
This change instead drops rows with missing values in those columns, and standardises chromosome names into the string representation (instead of a numeric form sometimes detected).