search for: mfilters

...t (version 4.0-1). The results seem to be more or less the same which is strange because I changed the classwt. I hoped that for example classwt=c(0.45,0.1,0.45) would result in fewer cases classified as class 2. Did I understand something wrong? Christian x1rf <- randomForest(x=as.data.frame(mfilters[cvtrain,]), y=as.factor(traingroups), xtest=as.data.frame(mfilters[cvtest,]), ytest=as.factor(testgroups)) > x1rf$test$confusion 1 2 3 class.error 1 9954 30 19 0.00489853 2 139 1854 0 0.06974410 3 420 0 84 0.83333...

Hi, the following strange error appears when I use qda: > qda1 <- qda(as.data.frame(mfilters[cvtrain,]),as.factor(traingroups)) Error: function is not a closure That's also strange: > qda1 <- qda(mfilters[cvtrain,],as.factor(traingroups)) Error in qda.default(mfilters[cvtrain, ], as.factor(traingroups)) : length of dimnames must match that of dims Some backgroud: > str(mfi...

Dear useRs, Please find the new package mFilter version 0.1-2 on CRAN. The package implements several time series filters useful for smoothing and extracting trend and cyclical components of a time series. The routines are commonly used in economics and finance, however they should also be interest to other areas. Currently, Christiano-Fitzgerald, Baxter-King, Hodrick-Prescott, Butterworth, and

Dear R users I am currently investigating time series analysis using an irregular time series. Our study is looking at vegetation change in areas of alien vegetation growth after clearing events. The irregular time series is sourced from Landsat ETM+ data, over a six year period I have 38 scenes. For certain periods I have monthly data while for others, images are up to three months apart. So far

Full_Name: Henrik Bengtsson Version: 1.5.1 OS: WinMe Submission from: (NULL) (217.210.0.243) In the Perl script $R_HOME/bin/check there is a bug under the section "Check R code for syntax errors" where the 'Rfiles <- c(...)' is build up. If there are too many files in @Rfiles the source code line generated will be too long and weird things will happen, e.g. strange

hello everyone we are developing a package that has worked up until R3.0 which we just tested. the issue is as above .... when we call a function that works in R 2.15.2 from R 3.0 we get an error Error in .Call("antsImageRead", filename, pixeltype, dimension) : "antsImageRead" not resolved from current namespace (ANTsR) this Error occurs when the .Call is made from

On Wed, 14 Aug 2002, Henrik Bengtsson wrote: > Sorry, but it was indeed the redirection of the standard output in > Cygwin/bash that cause the first problem, not R (I should stop doing > troubleshooting at 1:00 AM). So please forget about the problems reported in > R_CMD_check.out. However, it would still be nice if you still update R CMD > check to do join with "\n".

This message is in MIME format. The first part should be readable text, while the remaining parts are likely unreadable without MIME-aware tools. Send mail to mime@docserver.cac.washington.edu for more info. ------=_NextPart_000_0006_01C2432C.7ACD6BA0 Content-Type: TEXT/PLAIN; CHARSET=iso-8859-1 Content-Transfer-Encoding: 8BIT Content-ID: <Pine.GSO.4.44.0208140920312.15226@auk.stats>

Hi all, If I use a moving average, it will smooth the choppy time series, but it will lead to lagging... How do I smooth timeseries without the lagging effect? Thanks!

Hi everyone, I am trying to fit a sine function on one year of wind data. I have two questions below. Looking around on the net I managed to get the following: Sine Equation: y = a + b * sin( c + d*x ) b is the amplitude, c is the phase shift, d is something deal with periodicty of data*.* This can be linearised by sin( c+dx ) = cos(c) * sin(dx) + sin(c) * cos(dx). If one calls dx = x1 y

Hola a todos Estoy tratando de analizaruna serie temporal con datos diarios de temperaturas (40 años). He creado un objeto zoo (con ayuda de la lista, gracias) sobre el que encuentro la regresión lineal. He probado también a crear un objeto ts a partir del zoo. El problema que encuentro es que nose puede aplicar la función stl para hallar la componente estacional y la tendencia. Rdice que la