On Oct 20, 2011, at 7:53 AM, Jörg Reuter wrote:
Yes, I see many package. But the Problem is, the Package compare
strings.
But there is a diffrent between the caracter 1 and 2 and the number
"12".
All package I see compare every letter, but a number have many
digits but
the digits make only sense if the function see them together. I
tough to
change the number in caracter like 1->a but I have to much numbers.
I get the sense you and your respondents are talking paste each other,
and that you do _not_ want to compare the digits in your numbers. If
you have a vector that you want to change into a character, you can
convert easily with indexing. This would give you a "domain" of 48
characters:
....ooops, you are one of those Nabble users who expects us to search
for your prior postings.... tooo bad. I have decided not to track
down omitted context in such instance:
> c(letters,LETTERS)[ c(12, 35, 24, 35)]
[1] "l" "I" "x" "I" # then use the distance function
There are numToASCII functions but I cannot remember them without
searching.
--
David.
Am 20.10.2011 13:32 schrieb "Mark Difford" <mark_diff...@yahoo.co.uk>:
On Oct 20, 2011; 10:07am Jörg Reuter wrote:
I want compare a Matrix row by row and at the end I want to a Matrix
with
the Levenshtein-Distance.
Jörg,
To begin with, try the following at the command prompt:
##
RSiteSearch("Levenshtein")
Shows, amongst other hits, that package vwr has a function to
calculate
Levenshtein distances.
Regards, Mark.
-----
Mark Difford (Ph.D.)
Research Associate
Botany Department
Nelson Mandela Metropolitan University
Port Elizabeth, South Africa
--
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David Winsemius, MD
West Hartford, CT
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