XL: Macro to Select a Range Every nth Row/Column

• Microsoft Excel for Windows, versions 2.x, 3.0, 4.0, 4.0a
• Microsoft Excel for OS/2, version 2.2, 3.0
• Microsoft Excel for the Macintosh, versions 2.x, 3.0, 4.0

SUMMARY

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To select two ranges and leave every third blank, change "Height" in A4 to 2.

Sample Macro

   A1:   =SET.NAME("Reference",!A1)
   A2:   =SET.NAME("End_Row_Col",100)
   A3:   =SET.NAME("Step",3)
   A4:   =SET.NAME("Height",1)
   A5:   =SET.NAME("Width",10)
   A6:   =SELECT(Reference)
   A7:   =FOR("Row_Col",0,End_Row_Col,Step)
   A8:   =SELECT((SELECTION(),OFFSET(Reference,Row_Col,0,Height,Width)))
   A9:   =NEXT()
   A10:  =RETURN()

Explanation of Macro

   A1: Names the starting cell "Reference."
   
   A2: Defines the name "End_Row_Col" to be the number which, added to the
       row or column of "Reference", equals the absolute ending row or
       column.
   
   A3: "Step" is the "n" For Every nth row/column. The 3 can be
        changed. For example, if you want to select a range of 10 columns
        every 4 rows, you would change the 3 to 4.
   
   A4: Sets height when selecting columns.
   
   A5: Sets width when selecting rows.
   
   A6: Selects the range called "reference."
   
   A7: Begins counting rows or columns.
   
   A8: This statement adds what is selected by the OFFSET() function to
       what is already selected. Each FOR-NEXT loop adds another row or
       column.
   
   A9: Increments the FOR loop.
   
   A10: Ends the macro.

REFERENCES

"Function Reference," version 4.0, pages 154-155, 299-230, 378-379, 383, 384, 389-390

"Function Reference," version 3.0, pages 79-80, 163-164, 209-210, 214, 217-218