Displaying 20 results from an estimated 800 matches similar to: "Lattice: How to color the data points in splom() according to the panel they are plotted?"
2008 Sep 21
1
How to put given values in lower triangle of splom-plot?
Dear R-experts,
I have found a splom-modification online which is given below. This
works perfectly, but I would like to have a matrix of given
correlation values to be used in the lower triangular part
(lower.panel) of the splom-plot instead of calculated correlation
values. Here is the matrix I would like to use (it can be any other
convenient data structure):
2007 Aug 01
1
Splom custom superpanels
I thought one nice addition to a splom figure would be to have the
scatterplots in the upper triangle and a color-coordinated
correlation matrix on the bottom. So I tried my hand at customizing
panel.pairs(), and was rebuffed. Many times. Four hours of
fruitless debugging later, I turn to you for help:
panel.pairs(z=teststatfull[,6:12], pscales=0,
panel.subscripts=FALSE, subscripts=,
2010 Sep 30
2
panel.pairs in splom
Hello,
I have a customized pairs () fonction as follows that displays correctely my
data.
------------------------------------------------------------------------
panel.cor1 <- function (x, y, digits=2, prefix="")
{
usr <- par("usr"); on.exit(par(usr))
par(usr = c(0, 1, 0, 1))
r <- cor(x, y,use="pairwise.complete.obs",
2007 Oct 16
1
Adding axis lines to splom plots
Hi,
I am trying to produce a 30x30 lattice grid. The 30 variables naturally
fall into three groups of ten and I would like to add thicker axis lines
around these to highlight this. However, I can only do this separately,
so far, and I don't know how to superimpose the grid with the thicker
lines (separating the 10x10 groups) onto the overall grid of all 30x30
plots. I enclose a
2011 Apr 18
4
splom, plotmath: how to add three lines of information with alignment?
Dear expeRts,
I would like to create a scatter plot matrix with splom(). The lower panel should
contain some additional information about the samples shown in the upper panel
plot, see the splom() call below. Now two questions came up:
(1) The lower panels show "tau" and "alpha" on top of each other. How can I plot
*three* expressions on top of each other? I tried several
2003 Sep 04
3
Putting regression lines on SPLOM
Sorry Folks,
I'm sure I could suss out the answer myself but I need it
soon ... !
1. Given a set of 4 variables X,Y,Z,W in a dataframe DF, I make
a scatter-plot matrix using splom(DF).
2. I do all regressions of U on V using lm(U~V), where U and V
are all 12 different ordered pairs from X,Y,Z,W.
3. Now I would like to superpose the regression lines from (2)
onto the corresponding
2003 Mar 08
1
FIX: pscales=list(...) and splom
Dear R Users,
When plotting with "splom" I tried to use the pscales=list(...) feature
Unfortunately it didn't work at all. Instead the scales always were
suppressed.
So I looked at the source of panel.pairs and found:
"draw <- is.numeric(pscales) && pscales != 0"
which rather has to be:
"draw <- is.list(pscales) || (is.numeric(pscales) &&
2010 Jan 31
1
accessing column and row numbers inside splom in lattice
Hi,
When using splom() in the lattice package, I would like to be able to
access the row and column number of each individual pairs plot ,
similar to the way that current.row() and current.column() can be used
in other lattice plotting functions such as xyplot. For example, I
would like to be able to write something along the lines of
library(mvtnorm)
library(lattice)
y <-
2017 Jun 27
2
paste strings in C
Dear R-devs,
Below is a small example of what I am trying to achieve, that is trivial in
R and I would like to learn how to do in C, for very large matrices:
> (mymat <- matrix(c(1,0,0,2,2,1), nrow = 2))
[,1] [,2] [,3]
[1,] 1 0 2
[2,] 0 2 1
And I would like to produce:
[1] "a*C" "B*c"
Which can be trivially done in R via something like:
foo
2010 Jul 15
2
replace negative numbers by smallest positive value in matrix
Hi Group,
I have a matrix, and I would like to replace numbers less than 0 by
the smallest minimum number. Below is an
small matrix, and the loop I used. I would like to get suggestions on
the "R way" to do this.
Thanks,
Juliet
# example data set
mymat <- structure(c(-0.503183609420937, 0.179063475173256, 0.130473004669938,
-1.80825226960127, -0.794910626384209, 1.03857280868547,
2011 Oct 01
1
class definition
Hi everybody!
I have a matrix of class "myClass", for example:
myMat <- matrix(rnorm(30), nrow = 6)
attr(myMat, "class") <- "myClass"
class(myMat)
When I extract part of ''myMat'', the corresponding class ''myClass'' unfortunately disappear:
myMat.p <- myMat[,1:2]
class(myMat.p)
Please for any advice / suggestions, how
2006 Mar 21
1
rownames, colnames, and date and time
I noticed something surprising (in R 2.2.1 on WinXP)
According to the documentation, rownames and colnames are character vectors.
Assigning a vector of class POSIXct or POSIXlt as rownames or colnames
therefore is not strictly according to the rules.
In some cases, R performs a reasonable typecast, but in some other cases
where the same typecast also would be possible, it does not.
Assigning a
2006 Mar 21
1
rownames, colnames, and date and time
I noticed something surprising (in R 2.2.1 on WinXP)
According to the documentation, rownames and colnames are character vectors.
Assigning a vector of class POSIXct or POSIXlt as rownames or colnames
therefore is not strictly according to the rules.
In some cases, R performs a reasonable typecast, but in some other cases
where the same typecast also would be possible, it does not.
Assigning a
2006 Jul 03
1
rownames, colnames, and date and time
Hi all
I was wondering whether there has ever been an update on the rownames and
colnames behaviour as described by Eric below?
I still get the same behaviour, exactly as described by Eric, on my WinXP
installation of R-2.3.0. I also posted a message to r-help on Friday but
looking through the online archives it seems to have not made it to the
list. I would agree with Eric that a consistent
2010 Oct 07
1
Lattice: Histogram in splom diagonals
Dear list, I want to plot several variables with splom and in the main
diagonal, instead of the variable names, I'd like to plot an histogram of
corresponding variables. Searching I did not find the correct syntax, only
some tips in an old post in the list, but this comments help to plot only
density lines instead of histograms. I had some code, but it fails to plot
(I've commented the
2010 Dec 26
1
lattice splom: how to adjust space between tick marks and tick labels?
Dear expeRts,
how can I decrease the space between the tick marks and the corresponding labels in an splom?
See here:
library(lattice)
U <- matrix(runif(4000), ncol = 8)
splom(U, axis.text.cex = 0.2) # => space between the [small] tick labels and tick marks is/seems to be too large
I checked ?panel.pairs but could not find an option for that.
Cheers,
Marius
2010 Nov 11
1
change axis labels and text size in "splom"
Hi everyone:
I'm using "splom" to draw scatterplot matrix. I'm wondering how can I change the axis labels to c(1,10,100,1000,...)
instead of c(1,2,3,...), and also how can I change the text size (for labels)?
Thanks a lot!
xcui
2007 Feb 21
2
Splom plot:how to plot with different symbols?
Hi,
Kindly let me know if I posted a wrong question in the forum.
I want to draw a splom plot with different symbols in plot. My command is as
follows:
splom(~ log10(splomData[2:3]), groups = programs, data = splomData,
panel = panel.superpose,
key = list(title = paste(splomLoop,"Programs of Hog Analysis (Sorted by
LR(GB))"),
panel = panel.superpose,
columns =
2011 Jan 20
2
circular reference lines in splom
Hello everyone,
I'm stumped. I'd like to create a scatterplot matrix with circular
reference lines. Here is an example in 2d:
library(ellipse)
set.seed(1)
dat <- matrix(rnorm(300), ncol = 3)
colnames(dat) <- c("X1", "X2", "X3")
dat <- as.data.frame(dat)
grps <- factor(rep(letters[1:4], 25))
panel.circ <- function(x, y, ...)
{
circ1
2007 Aug 30
2
Need help putting histograms on the diagonal of a splom plot
Hello,
I am in need of help in putting histograms on the diagonal of a plot
produced with splom().
The plot matrix I am trying to produce is to have standard scatterplots
in the upper-left triangle, contour plots in the lower-right triangle,
and histograms on the diagonal. I have a function that does the first
two, but the histograms on the diagonal has been beyond my ability.
Here is my