Displaying 20 results from an estimated 700 matches similar to: "Rectangle height in lattice xyplot key"
2011 Mar 29
2
List extraction
I have created a list of tables with the same columns but different number of
row.
Example (actual list has ~200 elements):
> temp1<- data.frame(ID=c("Herb","Shrub"),stat=c(4,5),pvalue=c(.03,.04))
> temp2<- data.frame(ID=c("Herb","Shrub",
> "Tree"),stat=c(12,15,13),pvalue=c(.2,0.4,.3))
> L<-list(a=temp1,b=temp2)
> L
$a
2009 Jul 13
1
Help get this simple function to work...
I have a function (see below). This function has one object, ID. If I run
the loops by themselves using a character value (ie,"VFFF1-7") instead of
the function object, then the loops work fine. However, when I try to
insert the character value via the function call, it doesn't work. I don't
get an error, but the TotalCover.df dataframe does not update according to
the loop
2009 Jul 13
2
Help me get this function to work...
I have a function (see below). This function has one object, ID. If I run the loops by itself using a character value (ie,"VFFF1-7"), then the loops work fine. However, when I try to insert the character value via the function call, it doesn't work. I don't get an error, but the TotalCover.df dataframe does not update according to the loop criteria. Any obvious problems that
2012 Apr 19
5
User defined panel functions in lattice
Hi
I have a problem with passing line and symbol parameters to user
defined panel functions
I had a look at the archives and created a panel function on what was
shown and on panel.loess.
I could not to get panel.locfit to work for what I intend it for.
There is another layer to work with before success as lp() is called
from locfit.
xx <-
structure(list(Farm = c("A",
2008 Aug 29
1
significance of random effects in poisson lmer
Hi,
I am having problems trying to assess the significance of random terms
in a generalized linear mixed model using lme4 package. The model
describes bird species richness R along roads (offset by log length of
road log_length) as a function of fixed effects Shrub (%shrub cover) and
Width (width of road), and random effect Site (nested within Site
Cluster).
>From reading answers to previous
2009 Aug 19
2
how do i vectorize relational queries in R
I am basically trying to append a value(vector) to one dataframe using a
relational value from another dataframe. Obviously, I can use a loop to
accomplish this. However, is there a way to vectorize it?
Example:
> data <- data.frame(c(1,1,1,2,2,2,3,3,3),rep(2,9)); names(data) <-
> c("Sample","Score")
> meta <-
2012 Nov 28
3
Conditional model in R
Hello all,
I have a data set where the response variable is the percent cover of a
specific plant (represented in cover classes 0,1,2,3,4,5, or 6). This data
set has a lot of zeros (plots where the plant was not present).
I am trying to model cover class of the plant as a function of both total
nitrogen and shrub cover.
After quite a bit of research I have come across a conditional approach
2011 Jan 18
2
ggplot2, geom_hline and facet_grid
Hi
I have a long data set on which I want to do Bland-Altman style plots for each rhythm type
Using ggplot2, when I use geom_hline with facet_grid I get an extra set of empty panels.
I can't get it to do it with the "Diamonds" data supplied with the package so here is a (much abbreviated) example:
> lvexs
cvd_basestudy ecd_rhythm fixed_time variable_time
1 CBP05J02
2010 Nov 29
3
Replacing several rows of a matrix at once
Hello Folks. This must be a silly question with a (not) obvious (to me)
answer.
Consider this:
tmp <- matrix(1:200, nrow = 20)
vec <- 300:309
tmp[9,] <- vec # replacing one row works fine
p <- c(3, 11, 17)
tmp[p,] <- vec
# replacing multple rows pastes the values down a column and recycles vec.
What I want to do is replace multiple rows simultaneously at once. I
suppose I can
2010 Oct 28
2
R and Matlab
Dear Group,
I am looking for ways to use R and Matlab. Doing the data transformations in
R and using the data in Matlab to analyze with some pre-defined scripts.
Any good ways to transfer the data into matlab in its most recent version?
I tried using R.matlab but the writeMat output is not readable by Matlab.
I just need to output a data.frame and read it as is into matlab where I can
do any
2008 Sep 09
2
match problem by rownames
Hi all,
While dat['a1',] and dat['a10',] produce the same results in the
following example, I'd like dat['a1',] to return NAs.
dat <- data.frame(x1 = paste(letters[1:5],10, sep=''), x2=rnorm(5))
rownames(dat) <- dat$x1
dat['a1',]
dat['a10',]
> sessionInfo()
R version 2.7.2 (2008-08-25)
i386-pc-mingw32
locale:
2012 Nov 19
6
tcltk freezing using MS Windows for R-2.14+
I am the maintainer of a Bioconductor package (affylmGUI) which uses
tcltk. It freezes inconsistently on MS Windows, but not Mac or Unix. see
details below.
After considerable testing I have reduced the problem from a few
thousand lines of code to 30 lines!
If you paste the following lines of code into an R window:
testGUI <- function(){
require(tcltk)
MainWindow <-
2003 Jul 22
1
Making a group membership matrix
Hi Helpers:
I have a factor object that has 314k entries of 39 land cover types.
(This object can be coerced to characters neatly should that be easier
to work with.)
> length(foo)
[1] 314482
> foo[1:10]
[1] Montane Chaparral Barren Red Fir Red Fir
[5] Red Fir Red Fir Red Fir Red Fir
[9] Red Fir Red Fir
39 Levels:
2012 Apr 19
1
Fwd: User defined panel functions in lattice
Hi ilai
Thank you for your suggestions.
I do not know what happened yesterday I must have omitted a few
changes out in going from R to email
and apologies for the double posting - I had troubles sending it as
my ISP gave a message of not being connected for email but was for the web
I was trying to get panel.Locfit to work in a number of situations.
1. Conditioned by Farm (3 panels) with 2
2009 Mar 17
2
link in base help file fails.
I run R on MS Windows. In R2.9.0dev, I type ?base to get "R help for package
base" to open. I then select ".First" from the list of contents, getting a page
headed: "Initialization at Start of an R Session". About half way down there is
a sentence:
The command-line flag --vanilla implies --no-site-file, --no-init-file,
--no-restore and --no-environ. Under
2017 Jul 13
2
bnlearn and cpquery
Hi all
I have built a Bayesian network using discrete data using the bnlearn
package.
When I try to run the cpquery function on this data it returns NaN for some
some cases.
Running the cpquery in debug mode for such a case (n=10^5, method="lw")
creates the following output:
generated a grand total of 1e+05 samples.
> event has a probability mass of 14982.37 out of
2010 Jun 23
1
Shapefile
Hopefully the attachment will make it this time...
Hi:
I am practicing with the attached shapefile and was wondering
if I can get some help. Haven't used 'rgdal' and 'maptools' much
but it appears to be a great way bring map data into R.
Please take a look at the comments and let me know if I need to
explain better what I am trying to accomplish.
library(rgdal)
2006 Dec 22
5
substitute creates an object which prints incorrectly (PR#9427)
The function "substitute" seems to fail to make a genuine
substitution, although the printed verision seems fine. Here is an
example.
> m <- substitute(Y <- function(x) FUN(x+1),
+ list(Y = as.name("y"), FUN = as.name("sin")))
> m
y <- function(x) sin(x + 1)
> eval(m)
> y
function(x) FUN(x+1)
However the story doesn't end there. The
2010 Nov 03
1
rgl.snapshot() : no longer works?
Hi all,
> library(rgl)
> plot3d(1,1,1)
> snapshot3d("somefile.png")
Error in rgl.snapshot(...) :
pixmap save format not supported in this build
Why does this no longer work?
thanks,
Remko
> sessionInfo()
R version 2.12.0 (2010-10-15)
Platform: i386-pc-mingw32/i386 (32-bit)
locale:
[1] LC_COLLATE=English_Australia.1252 LC_CTYPE=English_Australia.1252
[3]
2008 Mar 25
1
regexp with [:upper:] (PR#11032)
Full_Name: Mark Bravington
Version: 2.6.2 patched
OS: Windows XP Pro
Submission from: (NULL) (140.79.22.104)
> grep( '[:upper:]', letters, val=T) # shurely shouldn't match anything ??
[1] "e" "p" "r" "u"
The converse ( '[:lower:]' and LETTERS) seems to work OK.
--please do not edit the information below--
Version:
platform =