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Re: sumskipnan(nan) = 0 ?
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From: |
GAIL |
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Subject: |
Re: sumskipnan(nan) = 0 ? |
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Date: |
Mon, 10 Sep 2007 17:44:34 +0200 |
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User-agent: |
Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.8.0.7) Gecko/20060918 Thunderbird/1.5.0.7 Mnenhy/0.7.4.666 |
On 09/10/2007 05:17 PM, James Sherman Jr. wrote:
function y = mysumskipnan(x)
nanIndices = isnan(x);
if sum(nanIndices) == length(x),
y = NaN;
else
y = sum(x(~nanIndices));
end
return
Yes, that is what I did. And again, I see no other way how a summation can
usefully be defined in a missing value context (apart from the 'classical' sum
behavior).
Thanks,
G.
- Re: sumskipnan(nan) = 0 ?, (continued)