Displaying 20 results from an estimated 10000 matches similar to: "multiple plots for data sets of inconsistent size"
2004 Aug 25
0
Mapping PCA loadings on to map
Hello all,
I have performed PCA on stacked wind vector data for 20 different spatial
locations. In this case I therefore am in effect working out a PCA for 40
different stations (2 paired pieces of information [ie u and v vector
information] for each station), so have 40 PCs.
In my previous PCA (for none vector data) i have plotted the PC loadings
onto a map of the area of concern, and would
2010 Jul 17
1
Bug 14340 - Symbols() plots with wrongly scaled y-axis
Hello, I submitted this bug report to r-core and got a rejection
saying I should post to r-help.
This is my first time ever submitting a bug report, so forgive me if
I'm using some wrong format.
So, here's my bug report:
Component: Graphics
OS: Mac OS 10.5.8, X11 XQuartz 2.5.0
Summary:
In the symbols function of the graphics package, scaling of the y-axis is
wrong, causing symbols
2004 Dec 10
1
subset bug?
I ran into a problem with "subset" while working at home that I am not sure is a bug or not. I defined a custom function to take a data frame of tree positions, sizes, and types (containing the columns TRT, COMP, PLOT, X, Y, DBH and CON) and wanted to make a stem map of the plot using different symbols and colors to represent the different types of tree stems. I copied a bit of the
2009 Apr 27
1
problem with symbol function
Hi all,
I use the symbol functions to draw circles. But the argument lty does
not work on windows but works correctly on my macbook:
x <- -4:4
y <- -4:4
plot(x,y,type="n")
symbols(0, 0, add = TRUE, circles = 1, inches = 1, fg="black",
lty="solid")
symbols(0, 0, add = TRUE, circles = 1, inches = 2, fg="black",
lty="dashed")
The
2004 Jun 23
0
Contour plots of PCA loadings
Hi,
I was wondering if there is a way of plotting smoothed contours of PCA
loadings onto a map. At the moment I have the loadings plotted as
positive/negative (red/blue) scaled circles centred around where the
physical stations are on a map - but I was wondering if there is a nicer
way of plotting this data, perhaps as contours of "regions of influence"
or somesuch?
Any suggestions
2006 Feb 20
1
Further rgl()/spheres3d() query
Hi,
I am applying the following code to map pca loadings onto a 3d grid, my
problem is this - the output only plots the spheres in the requested color
(in this case "red") for the first argument. The sphere from the second
argument appear as flat dark circles. Also the text3d() command only seems
to work for a couple of the positions, with no text added in most cases.
Could anyone offer
2011 Mar 31
1
transparent grays?
Is there a grayscale equivalent to alpha levels in rgb?
Example: I have the following to make red transparent circles overlap
with previously plotted blue symbols.
symbols(x=sites$long,y=sites$lat,circles=log(sites$prop.nem
+1),add=T,inches=F,bg=rgb(red=1,green=0,blue=0,
alpha=0.5),fg=rgb(red=1,green=0,blue=0, alpha=0.5))
I'm having a hard time coming up with a grayscale equivalent.
2011 Apr 19
4
Simple question about symbols()
I'm new to R and i'm having some trouble with a bubble chart.
Basically I have 3 series (a,b,c), but the third one is a binnary variable
(assumes only 0 or 1 to the entire data).
How can I use these binnary information to make 2 different colours in a
bubble chart?. I.e., I'm using this code:
symbols(inv$a, inv$b, circles=radius, inches=0.35, fg="white",
bg="red",
2009 Feb 17
2
creating a map
I'm trying to create a fairly basic map using R. What i want to get is the
map of the country with circles representing a count of students in each
state.
What I've done so far is as following -
map("state")
symbols(data1$count,circles=log(data1$count)*3,fg=col,bg=col,add=T,inches=F)
this gives me the map of the country, but one that's not populated by my
counts.
Does
2013 Jan 12
4
Drawing a dotted circle.
Hi,
I am trying to draw a dotted circle by using symbols command:
symbols(0, 0, circles = 1, inches = FALSE, fg = 'gray', lty=2)
But it gives me a solid line. I was just wondering whether am I making a
mistake?
Ved
[[alternative HTML version deleted]]
2007 Aug 25
3
fill circles
Hi all,
I'm an R newbie,
I did this script to create a scatterplot using the "tree" matrix from
"datasets" package:
library('datasets')
with(trees,
{
plot(Height, Volume, pch=3, xlab="Height", ylab="Volume")
symbols(Height, Volume, circles=Girth/12, fg="grey", inches=FALSE,
add=FALSE)
}
)
I'd like to use the column Named
2012 Nov 29
3
Label axis with strings instead of numbers
I have created a bubble plot in R using the following formula:
symbols(Data$Day.Number,Data$Team,circles=Data$Total.amount, inches=0.5,
fg="white",bg="red",xlab="Day Number",ylab="Team")
The data set is called Data, and I have the columns Day.Number, Team and
Total.amount.
The data is plotting fine, but where my y axis should have the names of each
team,
2011 Jul 29
1
Limited number of principal components in PCA
Hi all,
I am attempting to run PCA on a matrix (nrow=66, ncol=84) using 'prcomp'
(stats package). My data (referred to as 'Q' in the code below) are
separate river streamflow gaging stations (columns) and peak instantaneous
discharge (rows). I am attempting to use PCA to identify regions of that
vary together.
I am entering the following command:
2008 Nov 20
0
align two lattice plots using grid
Dear list,
I'm trying to get two lattice plots aligned on a page. They should
share a common x axis, hence the need for perfect alignment, but the
data is taken from unrelated, separate sources (it is therefore
inappropriate to combine them and use facetting to get an automatic
layout: the legend and y axis need to be different). I can get the
panels to be of the same size, but
2008 Dec 01
2
align two lattice plots with grid
Dear list,
I need to align two plots on top of each other for comparison (they
only have the x-axis in common). When the y-labels have a different
extent, I cannot find a way to align the x-axes, as illustrated below,
> library(grid)
> library(lattice)
> x <- seq(0, 10, length=100)
> y <- sin(x)
> y2 <- 10*sin(x)
> f <- rep(c("1", "2"),
2009 Jan 14
1
Adressing list-elements
Dear all,
I'm using R 2.8.1 under Vista.
I programmed a Simulation with the code enclosed at the end of the eMail.
After the simulation I want to analyse the columns of the single
simulation-runs, i.e. e.g. Simulation[[1]][,1] sth. like that but I
cannot address these columns...
Can anybody please help?
Best,
Thomas
############################ CODE ############################
2009 Sep 07
2
Very inaccurate circles
Hello,
Please take a look at the attached plot and let me know if this is
normal. The circle has radio I am using R 2.9.2 inside OS X Leopard.
The plot was generated with:
png('bizarre_circle.png')
plot(c(-5,0,0,5), c(0,5,-5,0))
symbols(0,0, circles=c(sqrt(25)), inches=FALSE, add=TRUE)
dev.off()
If I resize the x11's plot window I can manage to make the circle pass
through all the
2004 Nov 03
2
Princomp(), prcomp() and loadings()
In comparing the results of princomp and prcomp I find:
1. The reported standard deviations are similar but about 1% from
each other, which seems well above round-off error.
2. princomp returns what I understand are variances and cumulative
variances accounted for by each principal component which are
all equal. "SS loadings" is always 1.
3. Same happens
2004 Sep 14
3
Signs of loadings from princomp on Windows
I start a clean session of R 1.9.1 on Windows and I run the following code:
> library(MASS)
> data(painters)
> pca.painters <- princomp(painters[ ,1:4])
> loadings(pca.painters)
Loadings:
Comp.1 Comp.2 Comp.3 Comp.4
Composition 0.484 -0.376 0.784 -0.101
Drawing 0.424 0.187 -0.280 -0.841
Colour -0.381 -0.845 -0.211 -0.310
Expression 0.664 -0.330 -0.513
2009 Jan 13
1
PCA loadings differ vastly!
hi, I have two questions:
#first (SPSS vs. R):
I just compared the output of different PCA routines in R (pca, prcomp,
princomp) with results from SPSS. the loadings of the variables differ
vastly! in SPSS the variables load constantly higher than in R.
I made sure that both progr. use the correlation matrix as basis. I
found the same problem with rotated values (varimax rotation and rtex=T