В Wed, 1 May 2024 11:32:32 -0400
Carl Witthoft пишет:
> but as.double('123e') returns 123 -- or whatever the first digit is.
Nicely spotted problem!
Prof. Brian D. Ripley has fixed it in R-devel revision 86436 [*]. Now
as.double('123e') will also return NA. I think that the fix will become
On 01/05/2024 11:32 a.m., Carl Witthoft wrote:
Hello.
I'm running R 4.4.0 on an iMac Venture 13.5.2 . There appears to be a bug
in as.double().
Create a string with a numeric digits followed by a single letter a thru f
(as tho' it's base 16).
for K in (a,b,c,d, and f ) , as.double(
This happens because "123e" looks like exponential form. This string has no
exponent, so it gets treated as 0 exponent.
If you're interested in converting hex numbers, append 0x:
as.numeric("0x123a")
or use strtoi:
strtoi("123a", 16)
On Wed, May 1, 2024, 15:24 Carl Witthoft wrote:
> Hello.
Hi Carl,
Not that strange: R thinks you're using scientific notation. Also not a Mac bug.
> as.double('123e')
[1] 123
> as.double('123e+0')
[1] 123
> as.double('123e+1')
[1] 1230
> as.double('123e-1')
[1] 12.3
Can you explain what you're trying to accomplish?
Sarah
On Wed, May 1, 2024 at 3:24
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