[R] Passing MULTIPLE arguments from php file to r scripts

2009-11-11 Thread Moumita Das
Hi friends, Again i don't know how to pass multiple arguments from php file to r scripts. Please have a look at this link ; it gives a very simple explanation of passing variables from a PHP page to r scipts.Because i have done the same thing.

[R] R_PHP

2009-10-30 Thread Moumita Das
Hi All, Once again , would like to know about your suggestions regarding the integration of PHP and R.I have read ** *4. R Web Interfaces* here: http://cran.r-project.org/doc/FAQ/R-FAQ.txt It says about many tools.Here my requirement is :-- I have a tool developed in PHP.I want to

[R] how to extract the second table from the factanal functions result's loadings part?

2009-10-07 Thread Moumita Das
Hi All, Can someone help me?The way to do this may be very easy but i do not know. *Question1:* factanal() function produces the results in this way:-- *RESULTS:--* *fact1- factanal(data_withNA,factors=1,rotation=none) fact1$loadings* Loadings: Factor1 i1 0.784 i2 0.874 i3 0.786 i4

[R] How to calculate KMO?

2009-09-30 Thread Moumita Das
Hi All, How do i calculate KMO for a dataset? *Dataset:-* m1 m2 m3 m4 m5 m6 m7 m8 1 2 20 20 2 1 4 14 12 2 9 16 3 5 2 5 5 15 3 18 18 18 13 17 9 2 4 4 7 7 2 12 2 11 11 11 5 7 8 5 19 5 2 20 18 6 7 4 7 4 7 9 3 3 7

[R] Factor Analysis function source code required

2009-09-15 Thread Moumita Das
Hi All, There were lot of diffrences in the R and SPSS results for Exploratory Factor Analysis.why is it so ?I used standard factor analysis functions like:-- factanal(m, factors=3, rotation=varimax) princomp(m, cor = FALSE, scores = TRUE, subset = rep(TRUE, nrow(as.matrix(m

[R] How to generate mean anova value row in anova table, instead of individual value for each predictor

2009-08-28 Thread Moumita Das
Hi All , Can anybody tell me if there's any way to get the summarized anova values.Now i will explain what i mean , when i say *summarized*. Below you can see the anova table of recmeanC1 with rest* all* i.e from recmeanC2 to i15(predictors),as shown in table. Df Sum Squares

[R] natural sorting a data frame /vector by row

2009-08-24 Thread Moumita Das
How to NATURAL sort a vector or data frame* by row* , in ascending order ? V1 V2V3 V4 i1 5.00e-01 1.036197e-17 4.825338e+16 0. i104.001692e-18 1.365740e-17 2.930053e-01 0.76973827 i12 -1.052843e-17

[R] Insert rows in between dataframes

2009-08-20 Thread Moumita Das
Hi all, Can anyone suggest me how to insert rows in between data frames and also keep the ordering of row numbers correct? Estimate Std. Errort value Pr(|t|) recmeanC2 9.275880e-176.322780e-17 1.467057e+00

[R] R : how does %in% operator work?

2009-08-18 Thread Moumita Das
*Problem-1* CASE-I-(works fine) var1-tom var1 [1tom var1-as.character(var1) var1 [1] tom var2-c(tom,harry,kate) logc-(var1 %in% var2) logc [1] TRUE typeof(var1) [1] character typeof(var2) [1] character *CASE-II-(doesn’t work)* I have my dynamically

[R] How to dynamically generate lm() function arguments?

2009-07-22 Thread Moumita Das
Hi All, How do you dynamically generate the arguments for the lm() function when your items vary for each database. Say in my case for a particular database i have items from i1 to i15 . In the code below there a line like this :-- item_cat_fit-lm(as.numeric(item_item_table$i1) ~

[R] Regression function lm() not giving proper results

2009-07-20 Thread Moumita Das
* * Hi , Can anyone help me please with this problem?* * *CASE-I* all_raw_data_NAomitted is my data frame.It has columns with names i1 ,i2, i3,i4…, till i15.It has 291 rows actually ,couldn’t show here. The data frame looks like this:-- i1 i2 i3 i4 i5 i6 i7 i8 i9 i10 i11 i12 i13 i14

[R] LAPACK package

2009-07-14 Thread Moumita Das
Hi All, Can someone tell me if solve function shown below for my version of R is proper or not? I am using R 2.7.2 .Wherever i have used this function ,i got results which were different from the expected results as computed using SPSS. Description of this function says:-- Solve a System of

[R] Partial Correlation

2009-07-13 Thread Moumita Das
Why do we get Partial correlation values greater than 1? I have used the default function pcor.mat :-- I have manipulated the default pcor.mat function a bit so ignore tha variables corr_type,element1_in_no,element2_in_no,P.Please ignore the “pairwise” section and have a look at athe “listwise

[R] A new R-community in Orkut

2009-06-28 Thread Moumita Das
Hi friends, I just created a new R- community in Orkut.Please do join.And we can stay connected. Name of the community: Statistics R-languagehttp://www.orkut.co.in/Main#Community.aspx?cmm=91491906 -- Thanks Moumita [[alternative HTML version deleted]]

Re: [R] Error: system is computationally singular: reciprocal condition number

2009-06-28 Thread Moumita Das
) 1: source(correlationFP.R) what is this error .*Call(La_dgesv, a, b, tol, PACKAGE = base)* how can i rectify it? I don't know statistics...going mad ,debugging this problem.. any help is highly appreciated !! :) Thanks in advance Moumita On Thu, Jun 25, 2009 at 8:29 PM, Moumita Das

[R] ERROR: system is computationally singular: reciprocal condition number = 4.90109e-18

2009-06-28 Thread Moumita Das
Hi All, This is my R-version information:--- version _ platform i486-pc-linux-gnu arch i486 os linux-gnu system i486, linux-gnu status major 2 minor 7.1 year 2008 month 06 day23 svn rev

[R] Error: system is computationally singular: reciprocal condition number

2009-06-25 Thread Moumita Das
I get this error while computing partial correlation. *Error in solve.default(Szz) : system is computationally singular: reciprocal condition number = 4.90109e-18* Why is it?Can anyone give me some idea ,how do i get rid it it? This is the function i use for calculating partial correlation.

[R] How to get the unique pairs of a set of pairs dataframe ?

2009-06-10 Thread Moumita Das
Hi friends, Please can anyone help me with an easier solution of doing the below mentioned work. Suppose i have a dataset like this:--- i1 i2 i3 i4 i5 1 7 13 1 2 2 8 14 2 2 3 9 15 3 3 4 10 16 4 4 5 11 17 5 5 6 12 18 6 7 *i1,i2,i3,i4,i5 are my items.I am able to find all

[R] how to make the dynamically creted string work inside if as a condition

2009-06-06 Thread Moumita Das
Hi, How to make an if condition work, if the condition inside if() is created dynamically ,and that is a string .If i type teh dynamically created string the if works fine but when dynamically created,it is a string and going inside the if() ,an error is thrown saying : rgument is not logical

[R] Or operator on working on the r-objects doesn't generate a logical value

2009-05-25 Thread Moumita Das
Hi friends, Can somebody help me out please? I have to create a string for a particular if condition , with some values(returned by function1) which are always variable. *Step-I* Suppose function1 returns a dataframe like this,shown below with two values 3 and 4:--- x 1 3 2 4 *STEP-II

[R] Query regarding na.omit function

2009-05-22 Thread Moumita Das
Hi friends, I have a query regarding na.omit function.Please ,someone help me. I have a function xyz_function-function(arguments) { some code return(list(matrix=dataset)) } xyz_function_returnvalue-xyz_function(passed argumentss) *Case-I*

Re: [R] Query regarding na.omit function

2009-05-22 Thread Moumita Das
types. Thanks Moumita On Fri, May 22, 2009 at 7:11 PM, Moumita Das das.moumita.onl...@gmail.comwrote: Hi friends, I have a query regarding na.omit function.Please ,someone help me. I have a function xyz_function-function(arguments) { some code return(list(matrix=dataset

[R] Fwd: Cannot allocate a new database connection error

2009-05-16 Thread Moumita Das
-- Forwarded message -- From: Moumita Das das.moumita.onl...@gmail.com Date: Sat, May 16, 2009 at 2:26 PM Subject: Cannot allocate a new database connection error To: r-help-requ...@r-project.org Hi friends, why do i keep getting this error?The program runs, twice and every third

[R] Partial correlation function required

2009-05-11 Thread Moumita Das
-- From: Moumita Das das.moumita.onl...@gmail.com To: r-help-requ...@r-project.org Date: Mon, 11 May 2009 22:23:33 +0530 Subject: partial correlation function Hi friends, What is the function for partial correlation.The function which i found here:-- http://www.yilab.gatech.edu/pcor.R

[R] if condition doesn't evaluate to True/False

2009-04-29 Thread Moumita Das
Hi friends, Please help me with this bug. *Bug in my code:* In this variable sub_grp_whr_cls_data[sbgrp_no,1] I store the where clause.every sub group has a where condition linked with it. Database1 Where clause was not found for a particular subgroup, sub_grp_whr_cls_data[sbgrp_no,1]

[R] Segmentation Fault still exists

2009-02-23 Thread Moumita Das
Hi All, Sorry to bother everyone again.Ofcourse Prof Ripley ,Yihui and Uwe had replied to my email.But this segmentation fault error was not solved.I agree with Prof Ripley,as he said my R and all other configurations,are very old.But what i don't understand is ,i was able to run analysis till

[R] Added system Info:--Segmentation Fault occured while connecting to the database

2009-02-17 Thread Moumita Das
Hi All, Wanted to add some more information ,regarding my problem. configuration of teh OS and R:--- Linux 2.6.18-6-686 R.Version() $platform [1] i486-pc-linux-gnu $arch [1] i486 $os [1] linux-gnu $system [1] i486, linux-gnu $status [1] Patched $major [1] 2 $minor [1] 4.0 $year [1] 2006

[R] Added system Info:--Segmentation Fault occured while connecting to the database

2009-02-17 Thread Moumita Das
Oops !! I had also included just one library in my script i.e RMySQL.So sorry for the inconvenience:( -- Thanks Moumita [[alternative HTML version deleted]] __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help

[R] Possible Cause of Segmentation Fault

2009-02-17 Thread Moumita Das
Hi All, If you have already finished reading my previous emails regarding segmentation fault , please have a look at this .I think this may help you to diagnose the reason for the segmentation fault and help me,because i don't understand much. Rather than running the script using the command

[R] Write and Load functions from an external file

2009-02-13 Thread Moumita Das
Hi All, Would be grateful,if anyone can answer my queries. I need to share code. For example, if I am working in C/C++, I would put some function declarations in .h files that you would include. In PHP, I would create files with the common functions in them and then include() them. So far, I

[R] Warning message:In pt(q, df, lower.tail, log.p) : NaNs produced

2009-01-06 Thread Moumita Das
Hi friends, Any idea why do i get this warning?And also why all computed p-values are NaN. Have shown below what i did in Windows r-console.:-- df c1 c2 1 1 50 2 NA NA 3 4 NA 4 7 6 5 NA 7 6 10 10 r-cor(x=df,y=NULL,use=complete.obs,method=c(pearson)) r c1 c2 c1

[R] Calculating signicance value

2009-01-02 Thread Moumita Das
Hi friends, If someone can find out some time to go through my problem would be really grateful. I have a dataset(dataset1) as shown below:-- recmeanC1 recmeanC2 recmeanC3recmeanC4 i1 i2 i3 i4 i5 i6 i7 i8 i9 i10 i11 1 NA 1 1.00

[R] Want to create empty vectors inside a empty data frame

2008-12-27 Thread Moumita Das
Hi All, I want to create empty vectors inside an empty data frame.The name of the vectors has to come dynamically. For example if record_mean is my empty data frame,and i have say 4 categories,the category names for record mean data frame has to recmeanC1,recmeanC2,recmeanC3,recmeanC4,which will