Displaying 20 results from an estimated 3000 matches similar to: "Cross-tabulations next to each other"
2011 Jan 31
1
how to search to value to another table
Hello,
I'm a new R user.
I have two different dummy tables with the variable name tb1 and tb2.
tb1<
v1 v2 v3 v4
"chr1" 22 23 3
"chr1" 36 37 1
"chr1" 54 55 0
"chr1" 77 78 1
"chr2" 80 81 4
"chr2" 85 86 0
"chr2" 99 100 1
2007 Mar 01
2
R code for "Statistical Models in S" ?
I just acquired a copy of "Statistical Models in S", I guess most
commonly known as the "white book", and realized to my dismay that
most of the code is not directly executable in R, and I was wondering
if there was a source discussing the things that are different and
what the new ways of calling things are.
For instance, the first obstacle was the solder.balance data
2008 Feb 08
1
reshape question
I know there are a lot of reshape questions on the mailing list, but I
haven't been able to find an answer to this particular issue.
I am trying to get a datafame structured like this:
> sub <- rep(1:5)
> ta1 <- rep(1,5)
> ta2 <- rep(2,5)
> tb1<- rep(3,5)
> tb2 <- rep(4,5)
> DF <- data.frame(sub,ta1,ta2,tb1,tb2)
> DF
sub ta1 ta2 tb1 tb2
1
2007 Jan 14
4
Controlling size of boxplot when it is added in a plot
Greetings,
I am trying to add a boxplot to the bottom of a histogram, right
between the histogram bars and the x axis. Here is the code I am
using at the moment (the par line is probably not relevant for our
discussion):
hs <- hist(x, breaks = 20, plot = F)
par(mar = c(3,3,2,1))
hist(x, breaks = 20, main = NULL, ylim = c(-2, max(hs$counts)))
boxplot(x, horizontal = T, axes = T, add =
2008 Mar 09
1
Calling plot with a formula, from within a function, using ..., and xlim
I ran into a weird, to me at least, problem, and hoping someone can
shed some light into it. In a nutshell, there seems to be some
problem when one calls plot with a formula, from within another
function, using ... to pass arguments, and one of those arguments
being xlim (and only xlim shows this problem). Here is an example:
> plotw <- function(obj,...) {
+ plot(k~j,
2007 Nov 07
3
Indexing, and using an empty string as a name
Hello all,
I ran into the following, to me unexpected, behavior. I have (for
reasons that don't necessarily pertain to the question at hand, hence
I won't go into them) the need/desire to use an empty string for the
name of a vector entry. Perhaps I did not read ?"[" very carefully,
but it seems to me that he following lines should return "1" at the end:
2007 Oct 19
1
Manual recycling of vectors?
Sorry if this is already answered somewhere, but I could not find it.
I have two vectors, x,y, of different length, and I want to recycle
the smaller one (whichever one it is) until they have the same
length. I was wondering if there is a anything better than something
like:
x<-1:3
y<-1:10
x<-rep(x,length=max(x,y))
y<-rep(y,length=max(x,y))
or some variant of that using if to
2008 Oct 30
1
tklistbox selection
Hi,
I'm posting yet another question about tcltk since I'm still struggling
with the package. I'm trying to create a tklistbox and a ttkcombobox on
the same parent and am having a problem. Here's an example:
library(tcltk)
tt <- tktoplevel()
tcl1 <- tclVar()
tcl2 <- tclVar()
tclObj(tcl1) <- letters[1:5]
tclObj(tcl2) <- LETTERS[1]
tb1 <- tklistbox(tt,
2007 Nov 01
1
Rcmdr Plugin and menus.txt
Hi all,
I'm trying to write a plugin for R Commander, following the model of
the TeachingDemos plugin. I am struggling trying to even add items by
editing the menus.txt file. I would welcome any help from anyone who
has messed with it. Essentially the problem I am having is: I cannot
create a submenu to a newly created menu. Here is what the menus.txt
file looks like:
# type
2007 Feb 04
4
Reading expressions from character vectors
Greetings,
I have a problem that I am sure is very straightforward, but I just
can't wrap my head around it. I've read the help pages on text,
plotmath, expression, substitute, but somehow I can't find the answer
to this simple question.
Basically consider the following example:
plot( NULL, xlim = c(0,2), ylim = c(0,2) )
expressions <- expression( -infinity, infinity )
2007 Dec 22
2
Understanding eval
After many hours of debugging code, I came to the conclusion that I
have a fundamental misunderstanding regarding eval, and hope that
someone here can explain to me, why the following code acts as it does:
foo <- function(expr) {
eval(substitute(expr), envir=list(a=5), enclos=parent.frame())
}
bar <- function(er) {
foo(er)
}
> foo(a)
[1] 5
> bar(a)
Error in eval(expr,
2006 Nov 08
6
Making a case for using R in Academia
Hello, new to the list, first message.
This question perhaps might be more appropriate to R-sig-teaching,
and I'd be happy to take it there if this is not the right place for it.
I am teaching applied statistics at a small liberal arts college with
limited resources, and we are currently using SPSS for our courses.
Mainly the reason for this, as I understand it, is that this is what
2008 Mar 05
4
vertex labels in igraph from adjacency matrix
I am getting some unexpected results from some functions of igraph and
it is possible that I am misinterpreting the vertex numbers. Eg., the
max betweenness measure seems to be from a vertex that is not connected
to a single other vertex. Below if my code snippet:
require(igraph)
my.graph <- graph.adjacency(adjmatrix = my.adj.matrix, mode=c("undirected"))
most.between.vert <-
2008 Mar 10
3
Weighting data when running regressions
Dear R-Help,
I'm new to R and struggling with weighting data when I run regression. I've
tried to use search to solve my problem but haven't found anything helpful
so far.
I (successfully) import data from SPSS (15) and try to run a linear
regression on a subset of my data file where WEIGHT is the name of my
weighting variable (numeric), e.g.:
library(foreign)
2007 Dec 17
3
Cannot grasp how to apply "by" here...
I have a data frame named "database" with panel data, a little piece
of which looks like this:
Symbol Name Trial Factor1 Factor2
External
1 548140 A 1 -3.87
-0.32 0.01
2 547400 B 1 12.11
-0.68 0.40
3 547173 C 1
2011 Jan 31
1
Problem with intersection between two different tables
Hi,
I'm a beginner with R.
I have two different tables with
the variable name dmr1 and tp2 a given following. v1 is the common column field of
the both tables. In the first table column v3 is always v2+1 while in
the second table v2 and v3 hold the range. I want to know which rows
of tb1 intersect with the range between v2 and v3 of tb3. I need some one's kind help to solve this
2008 May 23
2
About Passing Arguments to Function
Hi,
Below I have a function mlogl_k,
later it's called with "nlm" .
__BEGIN__
vsamples<- c(14.7, 18.8, 14, 15.9, 9.7, 12.8)
mlogl_k <- function( k_func, x_func, theta_func, samp) {
tot_mll <- 0
for (comp in 1:k_func) {
curr_mll <- (- sum(dgamma(samp, shape = x_func,
scale=theta_func, log = TRUE)))
tot_mll <- tot_mll + curr_mll
}
2008 Jun 07
2
Using lm with a matrix?
I'm trying to do a linear regression between the columns of matrices. In
example below I want to regress column 1 of matrix xdat with column1 of ydat
and do a separate regression between the column 2s of each matrix. But the
output I get seems to give correct slopes but incorrect intercepts and
another set of slopes with value NA. How do I do this correctly? I'm after
the slope and
2008 Mar 05
2
matrix inversion using solve() and matrices containing large/small values
Hello
I've stumbled upon a problem for inversion of a matrix with large values,
and I haven't found a solution yet... I wondered if someone could give a
hand. (It is about automatic optimisation of a calibration process, which
involves the inverse of the information matrix)
code:
*********************
> macht=0.8698965
> coeff=1.106836*10^(-8)
>
2008 Feb 29
8
Running LaTeX dvi previewer on MacOS X
Several people have given great advice on how to successfully use X11 on
Mac to so we can use the dvi previewer to view latex() output from
Hmisc. Now after a version upgrade of X11 and X11sdk we are getting
lots of crashes. I noticed a Mac dvi previewer with an executable
stored as /Applications/TeX/TeXShop.app/Contents/MacOS/TeXShop
Can we bypass X11 problems and point Hmisc to this