similar to: contigency tables

Hello everybody, I've been practicing with some data in R and SPSS and I noticed that there are some differences in ANOVA results. For example with : y<-c(1,2,34,2,3,45,2,1,67,3,2,67,2,2,98,4,4,23,1,1,23,2,3,45) and x<-rep(c(1,2,3),8) I get in R ( with summary(aov(y~x)) ) MSres=350.7 df=22 while in SPSS I get MSres=221.9 df=21 Can enyone explain me what is the problem or

Hello R users, I have three questions and I would be grateful if someone could give me an answer to each of these. 1) I have constracted a function that returns an output, which runs in a while( condition ){ run function } loop. I would like to know if there is a way to get the outputs in different windows, every time the function runs, so as to compare easier the results. 2) In my

Hello, I have 4 questions in R and I am looking for 4 answers! the questions are the below: 1) is there a function in R for the Least Significant Difference method for multiple comparisons? 2) Is there a function in R that gives me the studentized deleted residuals and the leverage points? 3) is there a way that I could create a link in a program of mine, so as to select an option when my program

Dear R users: 1. Is there a function which fits to the data the t-student distribution with parameters mu, sigma, nu. Is the function fitdistr of MASS with the syntax fitdistr(x, "t") appropriate for this? 2. Is there a function which can fit the exponential power distribution? Thanks. --------------------------------- ÁðïêôÞóôå ôçí äùñåÜí óáò@yahoo.gr [[alternative

Hello Everybody, I'm making a contigency table with a dataset which looks like: Class Size Member1 Members2 Members3 etc. 1 2 A B 0 2 3 C D A 3 3 B A D 4 3 D

Could anyone tell me what am I doing wrong? > pro<-function(indep,dep){ + d<-data.frame(indep) + form<-formula(lm(dep~.,data=d)) + forward<-step(lm(dep~X1,data=d),scope=form,trace=0,direction='f') + return(forward) + } > pro(m,q) Error in inherits(x, "data.frame") : Object "d" not found Where q is a vector with the dependent variable's

An XP client is having an issue with my 3.0.28a server. They do not have this problem on a native w2003 file server with the same amount of data. [2008/08/20 13:25:14, 5] smbd/dir.c:OpenDir(1079) OpenDir: Can't open DowningShotgun/DowningTest/DowningTest.files/sample. Too many open files [2008/08/20 13:25:14, 3] smbd/filename.c:scan_directory(586) scan dir didn't open dir

Hi all, I need some help using read.ftable to read a contingency table. My columns are organized as follows: order--family--species--location--number of individuals I couldn't figure out how to change the data on my text file to be imported into R; and after you do that, is it possible to convert the table into a data frame? Any tips would be greatly appreciatted! Thanks a lot, Naiara.

Dear all, I am trying to construct 25x31 different matrices of 2x2 dimension. Here is the problem: we have the following matrix matrix(c(54+s0, 43+s1, 56-s0, 67-s1), nrow=2, ncol=2, byrow=T) the values for s0 and s1 are c(0:24) and c(0:31), respectively. I wrote the following code without the desired results

Hello. I run samba 3.0.21c on RHEL AS 4 EMT_64 U3 and I've experienced a strange problem where smbd will go (and stay) in the D state. While waiting for IO (possibly), these smbd processes do not respond to client requests, thus samba appears to be down. I could not kill these processes via kill -9 , so I rebooted which worked. The only error I could see out of the ordinary would be

Good Afternoon, My name is Gabriel, I'm doing an analysis if there is increase or decrease in dependence on the mutated genes, using 3 or more genes using the fisher exact test.I performed with success an analysis for two genes using fisher.test( ). example of the 2x2 contigency table: Gene A mutated | Gene A normalGene B mutated| 26

I am bootstrapping using a function that I have defined. The "Statistic" of the function is an array of 10 numbers. Therefore if I use 1000 replications, the "t" matrix will have 1000 rows each of which is a bootstrap replicate of this 10 number array (10 columns). Is there any easy way in R to determine which row appears the most frequently? Thanks, Lisa Pappas Huntsman

I keep seeing questions about Windows Active Directory, so I will pass along what info I have been able to gather. Active Directory is billed as Microsoft's LDAP service, used to hold user, group, and other such data and is standard with Windows 2000. While billed as LDAP, Active Directory does not conform to standard LDAP schema, which will break some ldap clients written specifically to

Hi, In Splus if I call the function crosstabs() the output is a contigency table; in each cell of the table is printed: N, N/RowTotal, N/ColTotal, N/Total. N is the number of observations in each cell. The same call to xtabs() in R will produce the contigency table but the only entry in each cell is N. How can I get the same relative frequencies that crosstabs() gives? Thanks, mike --

I am brand-new to RoR and have only followed and replicated the few tutorials that are out there. I have searched and searched, but cannot find an answer to this simple question: How can you list records in descending order? I have the cookbook example loaded, but can''t seem to list the recipes in reverse order (by the primary key - id). Thanks ahead of time for any and all help. --

Has anyone seen any fixes above 3.0.23a that addresses an issue similar to this one? [2007/06/13 14:01:40, 0] tdb/tdbutil.c:tdb_log(783) tdb(/usr/local/samba-3.0.23a/private/secrets.tdb): tdb_lock failed on list 65 ltype=1 (Interrupted system call) [2007/06/13 14:01:40, 0] tdb/tdbutil.c:tdb_chainlock_with_timeout_internal(82) tdb_chainlock_with_timeout_internal: alarm (10) timed out for

Hi R-users, I am new to R environment.I want to carry out a correspondence analysis on a contigency table with 64 columns and 298 observation of Environmental data.In many cells of the contigency table the frequency is just the value '1'. I got the following error. > CAIV(Eplankton) Error in if (L[i, j] < 0) return("Table L must contain non-negative numbers") :

I've seen more and more occurrences of the following error (other people have different password servers) on the web. I submitted this question before, but it was never resolved. I've even tried changing the underlying file system (from clustered vxfs to ext3) and I still see the error. Error: [2007/10/17 08:29:33, 0] tdb/tdbutil.c:tdb_chainlock_with_timeout_internal(82)

When I try to open a specific file from a samba share (LSP), the application (on WINXP) says that it could not open the file. The errors pasted below (from the smb client) show something different from anything I've seen before. Usually these kinds of problems are straight forward. In other words, usually this is a permission issue. In this case, it is not. I am trying to open a file

Speaking of optimization and speeding up R calculations... I mentioned last week I want to speed up calculation of generalized inverses. On Debian Wheezy with R-2.15.2, I see a huge speedup using a souped up generalized inverse algorithm published by V. N. Katsikis, D. Pappas, Fast computing of theMoore-Penrose inverse matrix, Electronic Journal of Linear Algebra, 17(2008), 637-650. I was so