On May 8, 2010, at 10:05 AM, Webby wrote:
Dear community,
I have a problem with a string conversion:
text
[1] "" "and" "\xc1d\xe1m"
[4] "graphical" "interface" "MLP"
[7] "Nagy" "networks" "Networks"
[10] "neural" "Neural" "RBF"
[13] "<sod...@yahoo.com>" "user" "with"
[16] "and" "\xc1d\xe1m" "graphical"
[19] "interface" "MLP"
I need to get rid off text[3,17] !
Does this work>
text[ grep("[[:alnum:]]|", text) ]
Still gives the warnings but seems to properly leave out the "control-
sequences".
I have this kind of control-sequence a few times in my text and I do
not get
rid of it, by strsplit or sub.
grep("\xc1d\xe1m",text)
Error in grep("\xc1d\xe1m", text) :
regular expression is invalid in this locale
grep("\\xc1d\\xe1m",text)
integer(0)
Warning messages:
1: In grep("\\xc1d\\xe1m", text) :
input string 3 is invalid in this locale
2: In grep("\\xc1d\\xe1m", text) :
input string 17 is invalid in this locale
Thanks in advance,
Georg
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David Winsemius, MD
West Hartford, CT
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and provide commented, minimal, self-contained, reproducible code.
