On 11-May-10 16:53:56, Matt Young wrote:
>> sprintf("%d",4)
> [1] "4"
>> for(i in 1:4) sprintf("%d",4)
>> for(i in 1:4) print(4)
> [1] 4
> [1] 4
> [1] 4
> [1] 4
>
> Why doesn't sprintf like the for loop here
Because, as a general rule, output generated inside loops,
and within execution of functions, etc., does not appear
on screen. The general cure for this is to enclose the
output-generating command in print(...). Hence:
for(i in 1:4) print(sprintf("%d",4))
# [1] "4"
# [1] "4"
# [1] "4"
# [1] "4"
Ted.
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E-Mail: (Ted Harding) <ted.hard...@manchester.ac.uk>
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Date: 11-May-10 Time: 18:06:24
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