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Error: k <= n is not TRUE #1151

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Chingfu opened this issue May 18, 2015 · 0 comments
Closed

Error: k <= n is not TRUE #1151

Chingfu opened this issue May 18, 2015 · 0 comments

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@Chingfu
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Chingfu commented May 18, 2015

When running a data set D with the following statement, I got an error message showing "Error: k <= n is not TRUE":
D[, D60:= rollapply(close, 60, mean, align='left', fill = NA), by=.(code)]

The data set has 879576 rows and 15 columns. Is there any way to fix this problem?
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