search for: kiran4u2all

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 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, 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 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 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 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 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 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 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 have a problem with grouping like I have to give count of employes in each department like if in one company there is departments like Mechanical, Computer, Fitting, electronics and Chemical hear I have to retreave the number of employes in each department and as well as I have to retreave number of John's in each department is there any function is there which can solve my

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 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 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

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 new to R-project I have a problem when when ever I am going to append a row in a *.csv file that is in R-project I created one dataframe and I saved it in "res.csv" and again I got some results in dataframe with same column names and i tried to append in a new row of same "res.csv" file but its appending again with columnnaes like first time when i created

Hi all, I got one problem with comparing strings like if any string is like "*RIGHT, EPICARDIUM: FOCUS, GRAY-WHITE, SINGLE, APPROX 0.6 CM IN DIAMETER*." and i have to compare "*GRAY-WHITE*" with the above string or otherwise i have to compare " *TUMOR BENIGN*" this string with "*MEDULLRY TUMOR BENIGN,TYP PHEOCHROMOCYTOMA*" i

Hi All, I've been having a little trouble with creating a loop that will run a a series of t.tests for inspection, Below is the code i've tried, and some checks i've looked at. I've used the get(paste()) idea as i was told previously that the use of the eval should try and be avoided. I've run a single syntax to check that my systax is correct and works without any problems

Hi all, I am working in a project which needed to load *.csv files of size more than 200MB is it posible to load 200MB size file to r-project and do subsetting as per requirement i am able to load maximum of 90 mb is there any way to increase memory limits and how much maximum memory we can exten please some one help me to get it work thanks in advance. [[alternative HTML version deleted]]

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