Move missing values to last row in long key block
Receive key stanza and sort the rows so that the missing values are last in the list. Leaves ordering of other rows unchanged otherwise.
sortStanza(keyblock, valvar = "value_new", na.strings = c("\\.", "", "\\s+", "N/A"))
keyblock |
a variable key, or section of rows |
valvar |
Default is "value_new", the column for sorting. |
na.strings |
Stings to be treated as missing, along with R's NA symbol |
keyblock, row re-arranged with missings last
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