search for: moumita

...se I and II don't work.My dataset has rows with NA values,that's for sure. Whereas this simple code,works fine.I mean from the data frame the rows containing NA values could be easily deleted. DF <- data.frame(x = c(1, 2, 3), y = c(0, 10, NA)) DF<-na.omit(DF) print(DF) -- Thanks Moumita [[alternative HTML version deleted]]

---------- Forwarded message ---------- From: Moumita Das <das.moumita.online@gmail.com> Date: Sat, May 16, 2009 at 2:26 PM Subject: Cannot allocate a new database connection error To: r-help-request@r-project.org Hi friends, why do i keep getting this error?The program runs, twice and every third time i get this error.I have to quit.Again get...

...NA NA NA NA i15 NA NA NA NA rbind after row number i10 will change row number i12 to have NA,Na,NA.Na values. -- Thanks in advance Moumita [[alternative HTML version deleted]]

...Is <- sqrt(1/diag(V)) if (any(!is.finite(Is))) warning("diag(.) had 0 or NA entries; non-finite result is doubtful") r <- V r[] <- Is * V * rep(Is, each = p) r[cbind(1L:p, 1L:p)] <- 1 r } return(rxx.z) } -- Thanks Moumita [[alternative HTML version deleted]]

...n a pair matches with any second item of previous pair and similarly **second item in a pair matches with any first item of previous pair* and keep entering them in a dataframe and get the unique pairs. But is there any other easier way of chopping off the identicle pairs? *-- * Thanks in advance Moumita [[alternative HTML version deleted]]

---------- Forwarded message ---------- From: <r-help-bounces@r-project.org> Date: Mon, May 11, 2009 at 10:24 PM Subject: The results of your email commands To: das.moumita.online@gmail.com The results of your email command are provided below. Attached is your original message. - Results: Ignoring non-text/plain MIME parts - Unprocessed: What is the function for partial correlation.The function which i found here:-- http://www.yilab.gatech.edu/pcor.R a...

...tched" $major [1] "2" $minor [1] "4.0" $year [1] "2006" $month [1] "11" $day [1] "25" $`svn rev` [1] "39997" $language [1] "R" $version.string [1] "R version 2.4.0 Patched (2006-11-25 r39997)" -- Thanks Moumita [[alternative HTML version deleted]]

...PARAMETER <- c(df = df) + STATISTIC <- c(sqrt(df) * r / sqrt(1 - r^2)) + p <- pt(STATISTIC, df) + return(2 * pmin(p, 1 - p)) + } > cor.p.values(r,2) [1] NaN NaN NaN NaN *Warning message: In pt(q, df, lower.tail, log.p) : NaNs produced * Any help will be appreciated.. :) -- Thanks Moumita [[alternative HTML version deleted]]

...F value Regression Calculations sum of all the above dfs sum of all the above Sum of Squares Sum of Squares/df Mean Square due to Regression/Mean Square due to Residuals But isn't there any function in R to get what i explained above in a much easier way? -- Thanks in advance Moumita [[alternative HTML version deleted]]

...q)[1])/2 library(corpcor) pcor.sq = cor2pcor(cor(df))^2 pcor.sumsq = (sum(pcor.sq)-dim(pcor.sq)[1])/2 kmo = sus.cor.ss/(sus.cor.ss+sus.pcor.ss) return(kmo) } What is this object "*sus.cor.ss*"?I get errors > sus.cor.ss Error: object "sus.cor.ss" not found Thanks in advance Moumita [[alternative HTML version deleted]]

...pendent_var_counter]) ~ as.numeric(item_item_table[item_item_independent_var_counter ] ) ) #print(summary(item_item_fit)) } } How can the lm() arguments be generated dynamically.?Would be grateful if anyone can come up with a solution for my problem. -- Thanks Moumita [[alternative HTML version deleted]]

...when starting a new session, use attach("myproject/rfunctions/saved.rda") The .rda extension on the filename is commonly used for saved R data sets but you can also have function definitions in a saved file. Are these the only ways,and the best ways,to do what I want? *-- Thanks Moumita* -- Thanks Moumita [[alternative HTML version deleted]]

...ompt and the results were:---- > drv<-MySQL() > drv <MySQLDriver:(20645)> > dbConnect(drv, user="xyz", password="xyz",dbname =xyz_database, host = xyz.com) Error in mysqlNewConnection(drv, ...) : *object "xyz.com" not found* * * * * Thanks Moumita [[alternative HTML version deleted]]

...or was like below: model has probably not yet been updated model has probably not yet been updated Is there any problem with the function, or the input of the function, in the latest version of the "BRugs" package? Can you please help me in this problem. Thanking you. Moumita Chatterjee. Research Scholar Department Of Statistics University Of Calcutta [[alternative HTML version deleted]]

...get possible pairs of the column names of my dataset(shown above dataset 1),and also the data and then pass to cor.test and calculate the significance. Isn't there any easier way to do this,with minimum number of lines of code.Because I am dealing with huge datasets. -- Thanks In Advance :) Moumita [[alternative HTML version deleted]]

...issing(b)) { if (nc != nrow(a$qr)) stop("only square matrices can be inverted") b <- diag(1, nc) colnames(b) <- rownames(a$qr) } qr.coef(a, b) } So what has to be done in the "base" package to get rid of this error. -- Thanks Moumita [[alternative HTML version deleted]]

...example of two databases where I tried to get the where clause for subgroup 1.In case of Database1 it was not available in case of Databse2 it was available.But the problem may appear for the same database also, when where clause is available for say one subgroup and not for the other. -- Thanks Moumita [[alternative HTML version deleted]]

...d due to missingness) Multiple R-squared: 0.6507, Adjusted R-squared: 0.1267 F-statistic: 1.242 on 3 and 2 DF, p-value: 0.4751 In case – (I) if I make the individual columns as vectors also ,I do not get correct results.what could be the cause of the incorrect results produced. -- Thanks Moumita [[alternative HTML version deleted]]

...ng is :-- str<- name=='tom' || name=='harry' || name=='tina' where the names are diffrent for diffrent DBs. if(name=='tom' || name=='harry' || name=='tina' ) { some code } If i do this if(str) { some code } It doesn't work:( -- Thanks Moumita [[alternative HTML version deleted]]

...NA recmeanC3 1.283534e-17 2.080644e-17 6.168929e-01 0.53781390 recmeanC4-3.079466e-17 2.565499e-17 -1.200338e+00 0.23103743 I want a sequence of rows as :-- *recmeanC2 ,recmeanC3,recmeanC4* and the *NA row in the third position from the top*(presently it's third from down) -- Thanks Moumita [[alternative HTML version deleted]]