similar to: T Test

Hi, how can I treat data organised in classes and frequencies? Ex. class frequency 20-23 9 23-25 7 26-28 5 29-31 5 32-34 3 Thanks Angelo Scozzarella

Hi, Why this function doesn't work? function (x) { if (is.factor(x)) { if (!is.ordered(x)) { warning("La mediana non si puo' calcolare!!!") return(NA) } me <- median(unclass(x)) if (me - floor(me) != 0) { warning("Mediana indeterminata") return(NA) } else

Hi, How can I make an ANOVA if I haven't got all data set but I know the numbers of subjects for each group, the mean and di standard deviation for each group? Thanks Angelo Scozzarella

Hi, I want to sort a matrix by a specific variable without changing the row binding between variables. Ex. Name Sex Age Fred M 24 John M 18 Mary F 21 ordered by Age Name Sex Age John M 18 Mary F 21 Fred M 24 Thanks Angelo

Dear R friends, I'd like to generate random sample (variable size and range) without a specified distribution but with given mean and standard deviation. Could you help me? thanks in advance Angelo

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Hello there! Perhaps this is a little off-topic, but I notice this only on the Centos box. I'm running Centos 4 on an AMD64 which has the following entries in the fstab to connect to NFS shares on a Fedora3 box: 192.168.1.12:/home/angelo/ /home/angelo/NFS_share1 nfs rw,addr=192.168.1.12 0 0 192.168.1.12:/home/angelo/data /home/angelo/NFS_share2 nfs rw,addr=192.168.1.12 0 0

Hi, The following code, from Angelo Canty article on line "Resampling Methods in R: the boot Package, 2002", works fine for Angelo Canty using R 2.6.0 on Windows XP. It also works for me using R 1.2.1 and S-PLUS 2000 on Windows XP after installing the S-PLUS bootstrap library, with slight differences in my outputs. > library(boot) > library(survival) >

Hi, I'm using the ineq package to calculate some concentration measures (Gini, Herfindal, ...) and I was wondering if there's around also a function to calculate standard error on these measures. If not, is anybody aware of where I can find a reference on this point? Thanks. -- ======================================================== Angelo Secchi PGP Key ID:EA280337

Hi, The following code, from Angelo Canty article on line "Resampling Methods in R: the boot Package, 2002", works fine for Angelo Canty using R 2.6.0 on Windows XP. It also works for me using R 1.2.1 and S-PLUS 2000 on Windows XP after installing the S-PLUS bootstrap library, with slight differences in my outputs. > library(boot) >

AFAIK most model fitting techniques will only deal with additive errors, not multiplicative ones. You might want to try fitting: log(y-x) = a*x + e which is linear. Andy > From: Angelo Secchi > > Hi, > is there a way in R to fit a non linear model like > > y=x+exp(a*x)*eps > > where a is the parameter and eps is the error term? > Thanks > Angelo > >

Friends, Sorry my english, i'am speaking from brazil. I have a problem with an delphi application running on wine 0.93. The application open exactly, but the buttons not it appears correctly. I send the link of screenshot: http://200.195.11.195/~prolinx/screen01.jpg any help is coming well. Thanks!!! Angelo Braga

---------- Mensagem reenviada ---------- Subject: Re: [Wine] Delphi Application Date: Dom 01 Jan 2006 14:32 From: Bruno <cbruno@ferreiracosta.com.br> To: wine-users@winehq.org Cc: truls@asheim.ne Olah Angelo Braga, tambem estou no Brasil, e meu ingles eh pessimo, Acho que sei qual o problema com seus icones! Jah tive um problema parecido, e resolvi instalando fontes TrueType Originais,

One more follow on, The combination of kernel.panic=60 and kernel.printk=7 4 1 7 seems to have netted the culrptit: E01-netconsole.log:Jan 18 09:45:10 E01 (10,0):o2hb_write_timeout:137 ERROR: Heartbeat write timeout to device dm-12 after 60000 milliseconds E01-netconsole.log:Jan 18 09:45:10 E01 (10,0):o2hb_stop_all_regions:1517 ERROR: stopping heartbeat on all active regions.

Dear all, first of all I apologize for not having changed the object. I just re-used an old email I sent some time ago. The let us go into the question. Our architecture is the following: A (set of) java programs running under a jvm that passes data and instructions to an R instance via RNI and at the end of the process extracts calculated data from R. The question is: can I

Hi, I'm new to R and have a question which seems like it should be easy. I loaded the R port of my boot library and installed it. All of the functions and help files are available but I can't seem to access the data. The data directory was created and contains files with the extension .rda. I tried to use the data() function but I get > data(city) Error: restore file corrupted -- no

Hi, Suppose that I have a list where each component is a list of two matrices. I also have a vector of weights. How can I collapse my list of lists into a single list of two matrices where each matrix in the result is the weighted sum of the corresponding matrices. I could use a loop but this is a nested calculation so I was hoping there is a more efficient way to do this. To help clarify,

I am trying to bootstrap the parameters for a model that is estimated through the optim() function and find that when I make the call to boot, it runs but returns the exact same estimate for all of the bootstrap estimates. I managed to replicate the same problem using a glm() model but was able to fix it when I made a call to the variables as data frame by their exact names. But no matter how I

Hello there! I just bought this trackball and connected it to a CentOS 4 box. I googled on how to edit xorg.conf for the 2 scrollbuttons, and they work while using this section: Section "InputDevice" Identifier "Mouse0" Driver "mouse" Option "Protocol" "ExplorerPS/2" Option

Hi: I got OpenSolaris 2008.05 running as dom0 under VmWare fusion on my MacBook pro. Using the instructions from Dipleep''s blog http://blogs.sun.com/dkumar/entry/how_to_create_domu_in Everything seems okay except the networking. When booting OpenSolaris (without dom0) the pcn0 interface works just fine but when booting Solaris xVM version them pcn0 does not work (ie) I get failures