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 select max and min values over several columns		  New Topic  Reply to Topic
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thomaspreuth

Switzerland
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Posted - 01/13/2009 :  10:38:38 AM  Show Profile  Edit Topic  Reply with Quote  View user's IP address  Delete Topic
Origin Ver. and SR (Select Help-->About Origin): 8
Operating System: XP

hello,
i have a table with several values and would like to extract the maximum and minimum values for each row, independent in which column they are written in.
Is this possible with the "calculate/set values" tool?

Cheers,
Thomas

scunque

5 Posts
Posted - 01/13/2009 :  12:19:34 PM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
You can use the rowstats x-function to do this.

Because this function is an operation with multiple outputs it cannot be used in the expression box of Set Column Values, but can be put in the Before Formula Scripts box.

Also, since this function accepts a range as input, it doesn't matter which column you put it in as long as it's not an output column.

Example :

rowstats irng:=2:6 mean:=<none> sd:=<none> sem:=<none> min:=<new> max:=<new>;

Above looks at column 2 thru 6 and creates columns for min and max values.
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