And what is the mapping from ascii characters to decimal numbers that
you seek?
One possible answer is to use utf8ToInt, but it is only one answer.
sapply(c('`', 'a', '_', 'Z', '^', '\\'), utf8ToInt)
` a _ Z ^ \\
96 97 95 90 94 92
On Sat, 9 Jul 2011, Bansal, Vikas wrote:
Dear all,
I have a file that is summary.txt(I have attached it) .we can read
this file using-
dfa=read.table("summar.txt",fill=T,colClasses = "character",header=T)
In V10 column I have ASCII values which I want to convert into decimal
numbers -
my data frame(dfa) which is like-
V7 V8 V9 V10
1 0 1 G `
2 0 1 T a
3 0 1 C a
4 0 1 A a
5 0 1 G _
6 0 1 G Z
7 0 1 C ^
8 0 1 C \\
9 0 1 A Z
10 0 1 T a
11 0 1 g ^
12 0 1 A \\
13 0 1 C _
14 0 1 G a
15 0 1 C X
16 0 1 C `
17 0 1 G a
18 0 1 G _
Column V10 contains ASCII values.I want to convert them into decimal.
Can you please help me.
Thanking you,
Warm Regards
Vikas Bansal
Msc Bioinformatics
Kings College London
--
Brian D. Ripley, rip...@stats.ox.ac.uk
Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/
University of Oxford, Tel: +44 1865 272861 (self)
1 South Parks Road, +44 1865 272866 (PA)
Oxford OX1 3TG, UK Fax: +44 1865 272595
______________________________________________
R-help@r-project.org mailing list
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
