Hello,
I want to create a data.frame with different number of columns per line. What I
want is something like:
example <- NULL
begin <- 1
while (end < nrow(orig.data))
{
end <- next.day(orig.data,begin) # my own function. It returns the first index
from the next day. Each day has a different number of records.
example <- rbind(example, c(begin, end, predictions[c(begin:end)], ...))
begin <- end+1
}
It gives the following warning:
> number of columns of result
not a multiple of vector length (arg 2) in: rbind(example, c(begin,
end, predictions[c(begin:end)], ...
I believe this happen once the number of elements by line are different. The
example data.frame repeats the same values for shorter lines until the line is
full, i.e., it tries to create lines with the same number of columns.
The question is: How can I create a data.frame with different number of columns?
Any help is very much appreciated
Thanks in advance
Joao Moreira
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