Displaying 6 results from an estimated 6 matches for "datafr".
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data_r
2009 Sep 14
2
Is there an equivalent of "echo"
Sorry I'm having one of those moments where I can't find the answer but I bet its obvious...
I'm outputting my results to a file using sink()
Is there a command simillar to php's echo command that would allow me to add some text to that file ie:
dataFr$a = 1:10
dataFr$b = 2*1:10
sink ("filepath/filename.txt", split=T)
#Show number of entries in vector a
table (dataFr$a)
#show number of entries in vector b
table (dataFr$b)
#show relationship between a and b
table (dataFr$a , dataFr$b)
sink()
Gives me a text file like this:
1 2 3 4...
2006 Jul 10
2
How to get R to ignore certain values when analyzing a column in a data table ?
Apologies if this is in (one of the many) manuals somewhere... Trying
to switch to R from other stats programs.
Basically, I have a large data table I've dumped from a DB, some of
the values which are nulls '-' which I've converted to zeros. I've
read it in using read.table fine.
I want R to ignore the zero values when graphing or doing various
other calculations.
Is
2009 Jul 02
4
Name of data.frame as a text string?
I've passed a data.frame as an input into a function which does some
plotting on a 4x4 matrix of certain parameters within in the
data.frame. I'd like to add a small header on top of each plot with
the name of the data.frame so that it's clear as I compare these 16
things where each on came from.
So far I haven't found the right way to get the name of the data.frame
as a string
2002 Jun 18
2
model.tables
Windows 2000 R 1.4
I have a split-split plot design that I am analyzing with model <- aov(). I
tried using model.tables(model) and it replied
"Error: subscript out of bounds." I have monkeyed with it a little, but am
wondering if this is indicative of something in particular.
Thanks,
Hank
Martin Henry H. Stevens, Assistant Professor
338 Pearson Hall
Botany Department
Miami
2000 Jul 13
2
Programming puzzle...
Dear R guru's,
I'd like to sort the columns of a matrix according to the elements in the
first row, and in case of a tie according to the second row, etc.
In case of a 3xn matrix woppa, something like
colorder _ order(woppa[1,], woppa[2,], woppa[3,])
I just cannot seem to find a way to do this for a variable number of rows,
e.g. if woppa has 10 or 15 rows I now manually cut and paste to
2007 Nov 25
2
rowMean, specify subset of columns within Dataframe?
...means, and reattach to the
original data frame, or use a different function such as apply?
Unfortunately I am fairly new to R and have a difficult time with some
terminology and concepts in R Help.
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