Displaying 11 results from an estimated 11 matches for "uwel".
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uwe
2002 Mar 21
1
legend - bug with argument angle (PR#1404)
When legend() is used with the angle argument as follows, not only the
boxes beside the legend text, but also the whole legend box is filled
with shading lines.
I think this is not intended:
plot(1:10)
legend(8, 4, c("A", "B"), angle=c(10, 80), fill=NULL, density=20)
I'd suggest as a fix (legend.R of R-1.5.0):
25c25
< rect2 <- function(left, top, dx, dy,
2003 Sep 29
5
colours in dotchart (PR#4343)
Problem: neither fg or bg
nor color work properly in dotchart.
version: R-1.7.1 for windows
code which shows the errors:
x <-
matrix(rnorm(16),ncol=2,dimnames=list(paste("a",1:8,sep=""),c("before","afte
r")))
dotchart(x,fg="blue",bg="lightgrey")
dotchart(x,color=c("red","blue"))
Dr Ian J Wilson
Lecturer in
2004 Sep 24
3
bug in power.t.test( ) (PR#7245)
Full_Name: Mai Zhou
Version: 1.9.1
OS: Win XP Professional
Submission from: (NULL) (12.222.227.93)
> power.t.test(n=25, delta=0.1, sig.level=1.1, strict=TRUE, type="one.sample")
One-sample t test power calculation
n = 25
delta = 0.1
sd = 1
sig.level = 1.1
power = 1.088311
alternative = two.sided
### power can never be
2002 Apr 10
1
New Package: ipred - Improved predictors
The package ipred is uploaded to CRAN.
The main focus of the package is the calculation of improved predictors
in classification tasks. Misclassification error can be improved by
bootstrap aggregated classification trees and/or
the framework of indirect classification. Furthermore, a unified
interface for the estimation of misclassification error
completes the features of ipred.
We try to make
2002 Apr 10
1
New Package: ipred - Improved predictors
The package ipred is uploaded to CRAN.
The main focus of the package is the calculation of improved predictors
in classification tasks. Misclassification error can be improved by
bootstrap aggregated classification trees and/or
the framework of indirect classification. Furthermore, a unified
interface for the estimation of misclassification error
completes the features of ipred.
We try to make
2004 Feb 10
2
Constructing an environment from a data.frame
Code like
df <- data.frame(x=1:10)
y <- 20:29
eval(quote(x+y), env=df)
does what you might expect: it looks for x and y in the data.frame,
and when it doesn't find y there, it looks in the parent environment.
However, sometimes I'd like to construct a single environment out of
df, so that I can pass it to nested functions and get the same
behaviour. Right now, I get the wrong
2004 Feb 10
2
Constructing an environment from a data.frame
Code like
df <- data.frame(x=1:10)
y <- 20:29
eval(quote(x+y), env=df)
does what you might expect: it looks for x and y in the data.frame,
and when it doesn't find y there, it looks in the parent environment.
However, sometimes I'd like to construct a single environment out of
df, so that I can pass it to nested functions and get the same
behaviour. Right now, I get the wrong
2007 Nov 26
2
colnames slow (PR#10470)
Full_Name: Tomas Larsson
Version: 2.6.0
OS: Windows XP
Submission from: (NULL) (198.208.251.24)
This is not a bug, it is a performance issue but I think it should have an easy
fix.
I have a large matrix (about 2,000,000 by 20), when I type colnames(x) it takes
a long time to get the result. However, if I select just the first couple of
rows of the matrix I don't have to wait for the
2006 May 03
2
cannot use fanny in package cluster (PR#8830)
Full_Name: Guan-Hua Huang
Version: 2.0.1
OS: Linux
Submission from: (NULL) (140.113.114.123)
I install the package cluster by using install.packages("cluster"). After
install it, it runs fine for function clara, but it does not work for function
fanny. I did the following things:
library(cluster)
set.seed(21)
x <- rbind(cbind(rnorm(10, 0, 0.5), rnorm(10, 0, 0.5)),
2005 Apr 14
6
Inverse of the Laplace Transform/Gaver Stehfest algorithm
Hi there,
Is there an implementation of the Gaveh Stehfest algorithm in R
somewhere ? Or some other inversion ?
Thanks,
Tolga
2005 May 24
3
Reversing axis in a log plot (PR#7894)
Full_Name: Christian Marquardt
Version: 2.1.0
OS: Linux (Redhat 9)
Submission from: (NULL) (151.170.240.10)
Following the advice of a reader of R-help, I would now like to submit this as a
bug report:
Say we have
x = seq(1,3, by = 0.01)
y = exp(x)
Plotting and reversing linear axis is fine
plot(x,y)
plot(x,y, ylim = c(30,1))
as is a usual log-plot:
plot(x,y, log =