On Saturday, 6 Jan 2018 at 09:37, Uwe Brauer wrote: > The column of reference is E1 per default, which is the second one. The
Ah, okay, I understand now. Thanks.
I see that you have been given a solution elsewhere using vmean but
you could also consider adding "N" to the expression (i.e. after
;E). This would make the empty entries be treated as having a 0 value
so your check for nan would no longer work but you could always check
for 0... The following works:
| Name | E1 | E2 | E3 | E4 | Res |
|--------+----+----+----+----+-----|
| Entry1 | | | | | NP |
| Entry2 | 10 | 20 | 30 | 40 | 10 |
| Entry3 | 10 | | 20 | 30 | 6 |
#+TBLFM: $6=if("$2" == "(0)" , string("NP"),($2+$3+$4+$5)/10);EN
HTH,
eric
--
Eric S Fraga via Emacs 27.0.50, Org release_9.1.6
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