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Jim Lemon

2015-Jan-26 22:41 UTC

[R] Sum function and missing values --- need to mimic SAS sum function

Hi,
To those who pointed out my mistake, thanks. Using ifelse may not
return a sensible arithmetic sum.

Jim

JSHuang

2015-Jan-27 18:43 UTC

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[R] Sum function and missing values --- need to mimic SAS sum function

Hi,

  Not sure if the following is what you look for:>x <- c(1:10, NA, 12:20)
>sum(x[!is.na(x)])



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R help - Jan 2015 - Sum function and missing values --- need to mimic SAS sum function

[R] Sum function and missing values --- need to mimic SAS sum function

[R] Sum function and missing values --- need to mimic SAS sum function