Complex sentence: Data can be optionally stored by observation (row) or by variable (column) with or without variable names and the only difference from a standard space delimited file format being the incorporation of line continuation characters beyond 70 or 100 columns.
Split into simpler sentences: Data can be optionally stored by observation (row) or by variable (column) with or without variable names. The only difference from a standard space delimited file format being the incorporation of line continuation characters beyond 70 or 100 columns.