Description Usage Arguments Value
Identify the spanRow status of a cell
| 1 | isspanRow(z, i, j)
 | 
| z | An object of ztable | 
| i | An integer indicating the row of specific cell | 
| j | An integer indicating the column of specific cell | 
columns count plus spaces by rgroup when spanRow starts, 0 when row spans, minus value when spanRow ends, NULL when no span.
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