From: r-help-boun...@r-project.org
[mailto:r-help-boun...@r-project.org] On Behalf Of William Dunlap
Sent: Wednesday, October 20, 2010 10:47 AM
To: Duncan Murdoch; Mark Kimpel
Cc: r-help@r-project.org
Subject: Re: [R] ascii or regex code for alt-enter for Excel
I think Excel wants a \n
Hello R Users,
I am trying to do a quadrat count defined by covariate properties in
spatstat. I have read my elevation raster into R (from ascii) and converted
to class im for use in spatstat.
Now I have point data of class ppp which window is the same extent as the
elevation image. I can
On Wed, Oct 20, 2010 at 1:04 PM, Mark Kimpel mwkim...@gmail.com wrote:
I need to write a table that can be opened in Excel or OpenOffice such that
there are newlines embedded within cells.
After much Googling and futzing, I can't figure out how to do this. The way
to do this within Excel is
Hi,
I am trying to do some calculations turning DMS data to decimal degrees using
the formula (D+(M/60)+(S/3600)), some of the D's involve -ve numbers, the
easiest way to do the calculation is to use absolute numbers then use the
'sign'
function in R to change the answer back to the correct
I am needing some help in removing certain rows in a data.matrix and then do
some calculation. So Iam need to removing certain values above a threshold
or value from another vector.
For eg.. in the below data matrix X there are 6 groups (A, B, C, D, E ,F)
X
rowsgroups values
1 A
Hello all, I am using 'plot' to create standard curves for elisa data. when I
use 'plot' with type='b' i get the points connected with lines and one
straigth line from the lowest datapoint to the highest data point. how can i
avoid/remove it from the figure. i am using R2.9.1, below is the
It is not completely clear what question you are trying to answer or what you
are trying to accomplish. But here are some additional questions that may help:
What tests would you use if you could use the original data?
What assumptions are you willing to make about the data and/or statistics?
?.First.lib
--
Gregory (Greg) L. Snow Ph.D.
Statistical Data Center
Intermountain Healthcare
greg.s...@imail.org
801.408.8111
-Original Message-
From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-
project.org] On Behalf Of Johannes Graumann
Sent: Wednesday, October 20,
Try this:
subset(merge(X, Y, by.x = 'groups', by.y = 1, all = TRUE), values V2, -V2)
On Wed, Oct 20, 2010 at 1:37 PM, swam sundars...@yahoo.com wrote:
I am needing some help in removing certain rows in a data.matrix and then
do
some calculation. So Iam need to removing certain values
I generally use simulation to calculate power:
library(MASS)
out1 - replicate(1,
{tmp - mvrnorm(100, mu=c(0,0), Sigma=matrix( c(1,.2,.2,1), 2 ) );
cor.test( tmp[,1], tmp[,2] )$p.value } )
mean( out1 = 0.05 )
--
Gregory (Greg) L. Snow Ph.D.
Statistical Data Center
Intermountain
'plot' is doing exactly what you are asking it to do. Take a close
look at your data:
cyto_std_concod
[1,] 11.371777 10.00
[2,] 9.786814 8.00
[3,] 8.201852 6.00
[4,] 6.616889 4.00
[5,] 5.031927 2.00
[6,] 3.446964 1.00
[7,] 11.371777 10.50
Hi
I have a script which is designed to gather data from individual columns
from a file, which is an output from an instrument. the file has multiple
sections and each a section has data under each column (vars), I am using
the name of the column as a variable to gather the column ID using
od-c(10, 8, 6,4,2,1, 10.5,7.8,6.4,3.8,2.1,0.95)
cyto_conc=2650 # Highest cytokine concentration user defined
cyto_std_conc -c(cyto_conc)
for (i in 1:5)
{
cyto_conc = cyto_conc /3
cyto_std_conc -c(cyto_std_conc ,cyto_conc)
}
cyto_std_conc-log2(rep(cyto_std_conc,2))
Thanks Greg for the additional remarks. Basically I have two questions, let me
try to specify them as follows:
(1) Height and intelligence may correlate at, say, X, but speed and finger
length may correlate at Y. Despite any sense of such a statement, is X
significantly larger than Y? How can
On Oct 20, 2010, at 11:47 AM, Sadz A wrote:
Hi,
I am trying to do some calculations turning DMS data to decimal
degrees using
the formula (D+(M/60)+(S/3600)), some of the D's involve -ve
numbers, the
easiest way to do the calculation is to use absolute numbers then
use the 'sign'
Sadz A sadz_a1000 at yahoo.co.uk writes:
This works fine untill D=0
because then 'sign' does not give 0 a +ve sign it takes it as 0 and
multiplies
decimal by 0 to give 0.
example
D-0
decimal-D+(M/60)+(S/3600)
decimal.degs-sign(D)*decimal
decimal.degs
0
decimal.degs -
Hoai Thu Thai hoai-thu.thai at inserm.fr writes:
Dear R-users,
Do you know if we can use the function lme in R for log-normal
distribution of parameters as used in Nonmem ?
theta=theta0*exp(eta)
In our model, the parameters follow the log-normal distribution so it's
not reasonable
Hi
I think the problem is that the Windows graphics device is not great at
semitransparent colours. For example, your code runs acceptably fast on
my Linux system.
If your goal is just a colour gradient, then you could avoid using
semitransparency by calculating the colours yourself, for
Hello,
I encounter the problem that one library I use masks the function gam in
another library I use so that the gam in the other library cant function
correctly. Is it possible to damask? I detach one of the library but the
masking problem is still there.
Thank you and kind regards,
On Oct 20, 2010, at 3:19 PM, David Winsemius wrote:
On Oct 20, 2010, at 11:47 AM, Sadz A wrote:
Hi,
I am trying to do some calculations turning DMS data to decimal
degrees using
the formula (D+(M/60)+(S/3600)), some of the D's involve -ve
numbers, the
easiest way to do the calculation
In order to bootstrap nonlinear regression, the following code works.
library(nlme)
data(Soybean)
fm1.nls - nls(weight ~ SSlogis(Time, a, b, c), data=Soybean)
summary(fm1.nls)
bstat - function(A, indices) {
mboot - nls(weight ~ SSlogis(Time, a, b, c), data=Soybean[indices, ])
On Oct 20, 2010, at 3:42 PM, Yunting Sun wrote:
Hello,
I encounter the problem that one library I use masks the function
gam in
another library I use so that the gam in the other library cant
function
correctly. Is it possible to damask? I detach one of the library
but the
masking
Hi Paul
Thanks ever so much for this. This should help tremendously. My only reason for
using semi-transparent colours was not knowing how to use colorRampPalette. I'm
really just looking at white-to-somecolour gradients. My examples weren't meant
to be written one on top of the other.
Unlike
Am 20.10.2010 16:51, schrieb Giuseppe Grillo:
HI! I'm student of university and i need an example (an application) of
Multivariate GARCH model for replicate it in my thesis. It's better with model
CCC e DCC.
Best Regards
Giuseppe
for answer: bepperozz...@hotmail.com
[[alternative
Hello,
I encounter the problem that one library I use masks the function gam in
another library I use so that the gam in the other library can't function
correctly. Is it possible to damask? I detach one of the library but the
masking problem is still there.
Thank you and kind
Hello,
I encounter the problem that one library I use masks the function gam in
another library I use so that the gam in the other library can't function
correctly. Is it possible to damask? I detach one of the library but the
masking problem is still there.
Thank you and kind
On 10/20/2010 12:25 PM, Ben Bolker wrote:
Sadz Asadz_a1000at yahoo.co.uk writes:
This works fine untill D=0
because then 'sign' does not give 0 a +ve sign it takes it as 0 and multiplies
decimal by 0 to give 0.
example
D-0
decimal-D+(M/60)+(S/3600)
decimal.degs-sign(D)*decimal
decimal.degs
Hi
On 21/10/2010 9:11 a.m., Mikkel Grum wrote:
Hi Paul
Thanks ever so much for this. This should help tremendously. My only
reason for using semi-transparent colours was not knowing how to use
colorRampPalette. I'm really just looking at white-to-somecolour
gradients. My examples weren't
On 20/10/10 20:31, Yunting Sun wrote:
Hello,
I encounter the problem that one library I use masks the function gam in
another library I use so that the gam in the other library can't function
correctly. Is it possible to damask? I detach one of the library but the
masking problem is still
Hello!
I am trying to round the number always up - i.e., whatever the
positive number is, I would like it to round it to the closest 10 that
is higher than this number, the closest 100 that is higher than this
number, etc.
For example:
x-3241.388
signif(x,1) rounds to the closest thousand,
On 20/10/2010 5:16 PM, Dimitri Liakhovitski wrote:
Hello!
I am trying to round the number always up - i.e., whatever the
positive number is, I would like it to round it to the closest 10 that
is higher than this number, the closest 100 that is higher than this
number, etc.
For example:
x-runif(10,1,10) # generate 10 numbers
as.integer(log(x,10)+1)
--
Clint BowmanINTERNET: cl...@ecy.wa.gov
Air Quality Modeler INTERNET: cl...@math.utah.edu
Department of Ecology VOICE: (360) 407-6815
PO Box 47600
On 20-Oct-10 21:27:46, Duncan Murdoch wrote:
On 20/10/2010 5:16 PM, Dimitri Liakhovitski wrote:
Hello!
I am trying to round the number always up - i.e., whatever the
positive number is, I would like it to round it to the closest 10 that
is higher than this number, the closest 100 that is
Hello List,
I would like to connect to a postgreSQL database on a remote server and I am
wondering what is the best package to do that. I have just installed RpgSQL,
RPostgreSQL, Rdbi and RODBC.
The handiest to me is RPostgreSQL but I don't see how to connect to a remote
server with it. For
Dear list, I'm trying to make a biplot, but instead of plotting the row
number for each observation, plot a group factor.
Example:
prcomp(iris[,1:4]) - PCA
biplot(PCA) #this makes a nice biplot but with row names
Instead of row numbers I want to plot iris[,5], which is a factor.
I can do
What is the best way to detect whether or not a (potentially large)
matrix contains missing values (NAs) or not? I use
if (sum(is.na(x)) 0) {...}
are there more efficient ways?
/Ali
__
R-help@r-project.org mailing list
Ali -
If all you care about is if there are any missing values
(not how many or where they are), I think it would be a bit
faster to use
if(any(is.na(x))){...}
- Phil Spector
Statistical Computing Facility
?complete.cases
Sent from my iPhone
On Oct 20, 2010, at 18:53, Ali Tofigh alix.tof...@gmail.com wrote:
What is the best way to detect whether or not a (potentially large)
matrix contains missing values (NAs) or not? I use
if (sum(is.na(x)) 0) {...}
are there more efficient ways?
/Ali
I stupidly decided to save my last workspace (a large dataset) and every
time I open R it loads it back in. Can I stop this? Also how do you clear
variables.
Thanks,
Sachin
--- Please consider the environment before printing this email ---
Allianz - General Insurance Company of the Year 2009+
Hello,
Using the dataset below I produce a soil.texture plot (R code for this
included at the end). One will notice I have plotted the points based on
whether or not they are in a region called 'upstream' or 'downstream'. I'm
curious if there is a way to somehow extract counts of the number of
Thanks to all for your helpful replies. In my initial email I did mistakenly
write \n when I had correctly been using \n in my code.
The key for me seem to be using the approach Bill suggested, i.e., writing
to a binary file. If I simply do
write.csv(d, d.text.csv, row.names = FALSE, col.names =
On Oct 20, 2010, at 7:05 PM, sachinthaka.abeyward...@allianz.com.au
wrote:
I stupidly decided to save my last workspace (a large dataset) and
every
time I open R it loads it back in. Can I stop this? Also how do you
clear
variables.
Thanks,
Sachin
--- Please consider the environment
Thanks for the explanation Brian,
I used the summary(packageStatus()) to have a look at what was available
and in each library. And then deleted all libraries that came with R2.12.0
from my personal library.
And everything now works.
Chris Howden
Founding Partner
Tricky Solutions
Tricky
Hi,
Is it possible to include class factor inputs in a Logistic Regression model
with the glmnet package? It only seems to allow for numeric inputs.
Looks like the Penalized package does this? Any other package you would
recommend for this purpose?
Thanks in advance for any help.
Lars.
On 20-Oct-10 23:37:44, David Winsemius wrote:
On Oct 20, 2010, at 7:05 PM, sachinthaka.abeyward...@allianz.com.au
wrote:
I stupidly decided to save my last workspace (a large dataset)
and every time I open R it loads it back in. Can I stop this?
Also how do you clear variables.
Thanks,
Hi all,
I am sorry for bothering the list, but I hope one of its members can help me.
Currently I am doing a spectral analysis with the help of R. The spectral
density I have calculated as follows:
(The vector q contain some testing numbers.)
q -
Dear list:
I have a dataset of geographical data that looks like this example data:
dat- data.frame( lon = c(rnorm(1000, mean=-10), rnorm(1000, mean=10),
rnorm(1000, mean=5)),
lat = c(rnorm(1000, mean=40), rnorm(1000, mean=30), rnorm(1000, mean=0)))
plot(dat$lon, dat$lat)
My positions are
A small test indicates that the following may be the fastest method
(although all are pretty fast)
has.na - !all(complete.cases(x))
Thanks Jim and Phil for your suggestions.
/Ali
On Wed, Oct 20, 2010 at 19:03, Jim Holtman jholt...@gmail.com wrote:
?complete.cases
Sent from my iPhone
On Oct
Thank you for your help, everyone.
Actually, I am building a lot of graphs (in a loop) but the values on
the y axes from graph to graph could range from [-5; 5] to [-10,000;
10,000].
So, I am trying to create ylim ranging from ymin to ymax such that
they look appropriate for the range.
For
On Wed, Oct 20, 2010 at 6:30 PM, Simone Gabbriellini
simone.gabbriell...@gmail.com wrote:
Hello List,
I would like to connect to a postgreSQL database on a remote server and I am
wondering what is the best package to do that. I have just installed RpgSQL,
RPostgreSQL, Rdbi and RODBC.
I
On Oct 20, 2010, at 8:38 PM, Dimitri Liakhovitski wrote:
Thank you for your help, everyone.
Actually, I am building a lot of graphs (in a loop) but the values on
the y axes from graph to graph could range from [-5; 5] to [-10,000;
10,000].
So, I am trying to create ylim ranging from ymin to
Thanks a lot, David - I'll try this solution.
Dimitri
On Wed, Oct 20, 2010 at 9:54 PM, David Winsemius dwinsem...@comcast.net wrote:
On Oct 20, 2010, at 8:38 PM, Dimitri Liakhovitski wrote:
Thank you for your help, everyone.
Actually, I am building a lot of graphs (in a loop) but the values
Look at clustering task view
http://cran.r-project.org/web/views/Cluster.html
A simple way to do it is
library(cluster)
dat$cluster - pam(dat, 3, stand=T)$clustering
plot(dat$lon, dat$lat, col=dat$cluster)
Nikhil Kaza
Asst. Professor,
City and Regional Planning
University of North Carolina
why don't you just use 'pretty'
pretty(c(-1225, 2224))
[1] -1500 -1000 -500 0 500 1000 1500 2000 2500
pretty(c(-4.28, 6.45))
[1] -6 -4 -2 0 2 4 6 8
On Wed, Oct 20, 2010 at 8:38 PM, Dimitri Liakhovitski
dimitri.liakhovit...@gmail.com wrote:
Thank you for your help, everyone.
Hi R-Helpers , am working on nnet package.Multinom() has an option for
finding the goodness of fit by giving the AIC value. Does nnet also gives
some value to determine the accuracy. If not, can you guide me with some
procedure to figure out the accuracy/goodness of fit of nnet model?
Thanks in
-- Forwarded message --
From: Qian qianguangy...@gmail.com
Date: 2010/10/21
Subject: HOW to use the survivalROC to get optimal cut-off values?
Dear sir,
I am a student who want to use the time-dependent survivalROC
package.according to the,reference material,it only gives a set of
I am trying to compare two sorted vectors, all elements in both vectors are
not duplicated. Ex.
a = c[5, 10, 13, 19, 23]
b = c[1, 4, 7, 9, 15]
For each element in a, i need find the max element in b which is smaller
than it, so the short answer will look like [4, 9, 9, 15, 15].
I dont want to use
Hi Bruclee,
?rle may help.
a - c(5, 10, 13, 19, 23)
b - c(1, 4, 7, 9, 15)
ab - data.frame(value = c(a,b), type=c(rep(0,length(a)),rep(1,length(b
ab - ab[order(ab$value),]
ab$v2 - cumsum(ab$type)
ab$matched - rep(ab$value[ab$type==1],rle(ab$v2)$lengths)
(result -
I run my data in nnet factor response (with 0 1
values) and explicitly put softmax=TRUE. I get the following error.
nn -
Very Nice! Thanks a lot!
Btw, I think match function should also do the work for the last two
steps. :)
--
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Sent from the R help mailing list archive at
Hi Ravi,
Thanks a lot for your informations. I think you are right. Without the
constraints of the parameters, it's easy to get the NaN Produced warning
message. The pdfs I worked on are Burr, Lognormal and Inverse Gaussian
distributions. Lognormal distribution is ok, but I always have warning
On Wed, Oct 20, 2010 at 7:11 PM, Mark Kimpel mwkim...@gmail.com wrote:
I do wonder what ASCII character is represented in Windows with alt-Enter.
Using Excel 2007 on Windows, Alt-Enter is char(10). In an empty sheet
enter these three characters into A1:
a alt-enter b
and then in 3 other
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