Displaying 7 results from an estimated 7 matches for "raf1729".
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r201729
2003 Apr 29
2
Remove leading brackets in print?
Hi, I can't seem to get an answer for this by searching through the
R-help archives: How does one remove leading brackets in print?
For example,
>print( 3 )
>[1] 3
Would it be possible to get rid of the "[1]"?
Of course the effect is the same without "print", as in,
>3
>[1] 3
but I would only be interested in omitting brackets in printing, if
that's
2003 Apr 30
5
Scanning data files line-by-line
Hi all, is there a way to read a data file into R line-by-line, akin
to what fscanf does in C, say?
It seems that "scan" and "read.table" both read the entire data file
in at once, whereas "readLines" allows one to read a file partially,
but doesn't quite read line-by-line either.
I guess what I was hoping to do is something like this:
while( linebyline(
2003 May 01
4
List of lists? Data frames? (Or other data structures?)
Hi, I'm faced with the following problem and would appreciate some
advice.
I could have a data frame x that looks like this:
aa bb
a 1 "A"
b 2 "B"
The advantage of this is that I could access all the individual
components easily. Also I could access all the rows and columns
easily.
Alternatively, I could have a list of
2003 May 06
3
Loops and memory
Hi, this question is meant to be a bit vague, since I'm really not
familiar with all the issues involved. It's also a problem that I
think many would have encountered and would have useful suggestions.
According to MASS, 2nd ed., p. 158, "A major issue is that S is
designed to be able to back out from uncompleted calculations, so
that memory used in intermediate calculations is
2003 May 07
3
Sink for a subdirectory
Hi, how do I sink output to a subdirectory under which R is running?
For example, suppose R is running in ~me and I would like to sink output to
~me/Subdir/filename.
The obvious sink( "Subdir/filename" ) does not seem to work.
Thanks very much.
2003 May 05
1
commandArgs()
Apologies for asking about this, but I don't quite understand how
this works after looking through the FAQ and the Help archives.
Let's say I want to pass "1000" as an argument to R. I did the
following:
>R CMD BATCH --1000 infile outfile
When I do print( commandArgs() ), I see
[1] ".../R.bin" "--restore"
[3] "--save"
2003 May 16
2
Efficient subsetting
Hi, I'm facing this problem quite a lot, so it seems worthwhile
to check to see what the most efficient solution is.
I've two vectors x (values ordered) and y. I've ranges
x < x0, x0 <= x < x1, x1 <= x < x2, x2 <= x < x3, x > xn
and want to construct a subvector yprime of y which consists
of the first/last value of y whose x values are in the range.
For