The MISSOVER option prevents SAS from going to another record if it does not find values in the current line for all the INPUT variables, so here comes the missing value in observation 2 and 3,while the DSD option treats two consecutive delimiters as a missing value.
The MISSOVER option prevents SAS from going to another record if it does not find values in the current line for all the INPUT variables, so here comes the missing value in observation 2 and 3,while the DSD option treats two consecutive delimiters as a missing value.
The DSD option can also be used to read raw data when there is a missing value at the
beginning of a record, as long as a delimiter precedes the first value in the record