similar to: problem with checking wether file is present or not

Hi all, I am trying to create a "index.csv" with caliculating different types of caliculations . In that i have to caliculate on 10,000 studies and have to insert many no of rows more than 500,000 for that right now I am inserting every row after caliculating and doing data.frame but its taking much time to create that index.csv is there any thing like bulk insert in to file

Hi all, I am trying to parse a vector for caliculating minimum in that vector the vector having values like 1 Kontrolle 2 Placebo 3 125mg/kg 4 250mg/kg 5 500mg/kg 6 1000mg/kg hear i tries for comverting it into numeric with using "as.numaric()" function but i got values like 5 6 2 3 4 1 it gives 1000mg/kg is the least one but i have

Hi all, I got one intresting problem with caliculating mean that is while i am taking mean of values *0.6, -0.8, 4, -3.8* using *val<-c(0.6, -0.8, 4, -3.8)* *mean(val)* it given result as *2.775558e-17* but the actual result is *"0"* can any one suggest how can I get correct mean result in this case can any one suggest how I can farward thanks in regards kiran [[alternative

Hi all, I have a problem with concatinating strings while taking as a path here the problem is i have to take path as FPATH<-"D:\\Kiran" and file name as Fname<-"FINDINGS.CSV" and while I am reading this table I have to take path with using these two strings because in "FPATH" there is many files like findings.csv, and path will be

Hi all, I tried to read data from Excel spread sheet with using read.csv(file.choose()) and read.delim(file.choose()) but its showing " *ÐÏ.à.*." and also i tried with read.table(file.choose()) then its showing " * V1 1 ÐÏ\021ࡱ* " can any one suggest how to read data from Excel Spread sheet

Hi all, I got a problem with appending data into the *.csv file like abc<-read.csv("bbb.csv") # reading data from one csv file abc1<-mean(subset(abc,Group=="A")) hear i have to creat a .csv file and in that i have to create column's with names *group, mean* and farther i have to caliculate for Groups:-A, B, C, D, F and i have to append data to consicutive rows of

Hi all, I have a problem with writing a *.CSV file in UTF-8 formate I tried to write a dataframe named "dfPREINDX" to the new file named "preindx.csv" in below formate write.table(dfPREINDX,PreIndex,fileEncoding="UTF-8",sep="|",row.names=FALSE) but its throed an error like Error in write.table(dfPREINDX, "preindx.csv", fileEncoding =

Hi all, Hi this is kiran I am facing a problem to split a dataframe that is.. i have a string like: "a,b,c|1,2,3|4,5,6|7,8,8" first I have to split with respect to "|" I did it with command unlist(strsplit("a,b,c|1,2,3|4,5,6|7,8,8", "\\,")) after getting that set i made it as a dataframe and it comes like a,b,c 1,2,3 4,5,6 7,8,8 now i have to

Hi all, I have a problem with retreaving column from a data.frame that is I have a data.frame named "temp" in that dataframe some column are there whose names are "IDENTIFIER" "UNIQUEID" "TRIALGROUPSID" "GRPNUMBER" "GRPDESC" "SEXDID" "STDID" "STUDYTYPE" "SDID"

Hi all, I am a biggener in R-Project I got one problem with applying *where condition* like if 2 tables like table1: empid name dep 101 kiran solutions 102 ram testing 103 pavan database table2: empid month sal 101 Dec 9500 102 Dec 9800 103 Dec 8500 in first table i have to take *empid* with

Hi all, I am new to R-project I have to create custom package and some required functions in that package can any one help me how to create a custompackage and how to write my function in to that package These things I have to use in many places as per requirements in my solution please help me to create these custom packages thanks in advance kiran. [[alternative HTML version deleted]]

Hi, i got a problem with initialising R-Project from C# in this i m sending what are all the code line I had been written and the error where i got sc1 = new STATCONNECTORSRVLib.StatConnector(); sc1.Init("R"); and error at SCN_E_INVALIDINTERPRETERVERSION -2147221487 0x80040011 can any one suggest how can i resolve it thanks & regards; kiran [[alternative HTML version

Hi all, I am new to R-project my problem is I tried to get subset from two different tables its giving error but if i m tring for geting results from one table its working actually i have to take values from two tables with applying different conditions on two tables like kk- is an object of one table and fk- is an object of another table here i have to get values from these tables like

Hi all, I have a problem with CPU usage while running the Rgui.exe problem is while I am running scripts on Rgui its taking 100% of CPU is there any posibility to reduce the cpu consumption are any package I can use to reduce CPU consumption can any one help me out from this problem because while running these scripts I am not able to do any other work and there is no recursive functions and

Hi all, I am trying to execute one function from windows command prompt and I am trying to execute queries like source(myRfile.R) but itis throughing runtime errors can any one help me how can i run my *.R file and how can i call a function in that *.R file thanks in advance kiran. [[alternative HTML version deleted]]

Hi all I have a dataframe like I coppied below > ff a b d 1 10 5 7 2 20 4 9 3 3 8 10 4 5 6 8 5 6 3 5 6 73 7 3 7 45 28 9 8 3 2 8 while I am trying to sort multy coloums at once I am not able to get that like ina order of first column "a" next column

Hi all, I am trying to to merge two data.frames(kk and ff) like > kk a b d 1 1 4 7 2 2 5 8 3 3 6 9 > ff a b d 1 2 5 8 2 3 6 9 3 4 7 1 and g<-rbind(kk,ff) is working perfectly and giving results but if any of the column name changed then its giving "Error in match.names(clabs, names(xi)) : names do not match previous names" like > kk a b d 1 1 4 7 2 2 5 8 3 3

Hi all, I am trying to get a value from a dataset in data set its stored as 001 but while i am trying to retreave it its giving as 1 can any one help me to retreave it as 001 thanks in advance kiran [[alternative HTML version deleted]]

Hi all, I have a problem while subsetting a dataframe that is while I am using *%in%* condition like *stemp<-subset(temp, obj1 %in% obj2,select=c(temp))* this is working and giving results that what ever is there is both *obj1*and *obj2* ** ** but I want to get values which is there in *obj1* but not in *obj2 * can anyone help me how to get those values. i tried with *%o%* but i am not

Hi all, I am strugling with date formates and caliculating diferent operations like different between 2 dates and getting minimum in vector of dates that is i m working with dates in formate "6/22/1992 12:00:00 AM" and the vector is [1] 6/4/1992 12:00:00 AM 2/13/1992 12:00:00 AM 6/19/1992 12:00:00 AM [4] 2/11/1992 12:00:00 AM 6/22/1992 12:00:00 AM 10/3/1991