.BR \-\-directions \fR=\fPstr
By default, all directions (e.g read and write) histogram bins are combined
producing one 'mixed' result.
-To produce independent directional results, pass some combination of
-\'rwtm\' characters with the \-\-directions\fR=\fPrwtm option.
+To produce independent directional results, pass some combination of
+\'rwtm\' characters with the \-\-directions\fR=\fPrwtm option.
A \'dir\' column is added indicating the result direction for a row.
.SH NOTES