search for: arunkumar1111

Displaying 20 results from an estimated 55 matches for "arunkumar1111".

2012 Feb 22
4
Week number from a date
Hi My data looks like this startDate="2008-06-01" dateRange =c( "2008-10-01","2008-12-01") Is there any method to find the week number from the startDate range ----- Thanks in Advance Arun -- View this message in context: http://r.789695.n4.nabble.com/Week-number-from-a-date-tp4410223p4410223.html Sent from the R help mailing list archive at Nabble.com.
2012 Jan 09
6
runif with condition
Hi I want to generate 4 random number which sum up to 100 always Please help ----- Thanks in Advance Arun -- View this message in context: http://r.789695.n4.nabble.com/runif-with-condition-tp4278704p4278704.html Sent from the R help mailing list archive at Nabble.com.
2012 Oct 24
3
Results not dispalying in R console
Hi I'm not getting any results in R console when i run commands. I reinstalled R but the results are same ----- Thanks in Advance Arun -- View this message in context: http://r.789695.n4.nabble.com/Results-not-dispalying-in-R-console-tp4647271.html Sent from the R help mailing list archive at Nabble.com.
2011 Nov 30
3
how to call a function for each row
Hi I have a data-frame which look like this X1 X2 X3 1 3 5 2 4 6 3 6 1 I want to apply a formula Y=6*X1 + 7*X2 + 8*X3 for every row Thanks in Advance -- View this message in context: http://r.789695.n4.nabble.com/how-to-call-a-function-for-each-row-tp4122906p4122906.html Sent from the R help mailing list archive at Nabble.com.
2012 Nov 26
3
Help in splitting the records
Hi I have set of records seperated by a separator say "$$$" i want to get the values in a dataframe. eq qwer$$12$$qwre ewrtr$7789$ewwe I want the output as\ V1 V2 V3 qwer 12 qwre ewrtr 7789 ewwwe Please help me ----- Thanks in Advance Arun -- View this message in context: http://r.789695.n4.nabble.com/Help-in-splitting-the-records-tp4650827.html Sent from
2011 Sep 19
2
Setting the Values
Hi I have a variable str = " X", "Y" and values ("0","12") i want to set value for X =0 and Y =12 and use inside the program. how to do this Please anybody help me. -- View this message in context: http://r.789695.n4.nabble.com/Setting-the-Values-tp3823388p3823388.html Sent from the R help mailing list archive at Nabble.com.
2011 Nov 16
3
changing date format in a dataframe
Hi I have a data frame and i need to change the date format in it. my dataframe X Date 1 1/1/2009 2 2/1/2009 3 3/1/2009 I need to change it to 2009-01-01 -- View this message in context: http://r.789695.n4.nabble.com/changing-date-format-in-a-dataframe-tp4076411p4076411.html Sent from the R help mailing list archive at Nabble.com.
2012 Feb 06
2
rounding of integer
Hi I need to round integer \ eg if my value is 1003 i want to make it 1000 Thanks in advance ----- Thanks in Advance Arun -- View this message in context: http://r.789695.n4.nabble.com/rounding-of-integer-tp4360549p4360549.html Sent from the R help mailing list archive at Nabble.com.
2012 Feb 22
3
inserting a dataframe into the table
Hi, I have a dataset X Y A= 10 15 20 30 40 50 B = X Z 10 30 20 50 I have a table containing X Y Z columns How to insert a data frame into the table without using for loop ? now currently i'm using the for loop with using the insert command? ----- Thanks in Advance Arun -- View this message in
2012 Apr 03
2
Histogram classwise
Hi I have a data class wise. I want to create a histogram class wise without using for loop as it takes a long time my data looks like this x class 27 1 93 3 65 5 1 2 69 5 2 1 92 4 49 5 55 4 46 1 51 3 100 4 ----- Thanks in Advance Arun -- View this message in context: http://r.789695.n4.nabble.com/Histogram-classwise-tp4528624p4528624.html Sent from the R help mailing list archive
2012 Jul 03
2
read the date format
hi I have a data like thursday, November 20,2012. I'm not able to convert into data format in R Can anyone please help ----- Thanks in Advance Arun -- View this message in context: http://r.789695.n4.nabble.com/read-the-date-format-tp4635245.html Sent from the R help mailing list archive at Nabble.com.
2012 Jul 17
2
comparing three vectors
Hi I 've a data a=c(10,20,30) b=c(100,200,300) c=c(50,60,70) I want to compare a[1]<=c[1]<b[1],...... How to compare for all the records ----- Thanks in Advance Arun -- View this message in context: http://r.789695.n4.nabble.com/comparing-three-vectors-tp4636728.html Sent from the R help mailing list archive at Nabble.com.
2012 Aug 03
1
how to get a date variable from a dataset
Hi I have a find the class of each variable of the data set which is given as input. I can able to find the string and the numeric variable. Not able to find if the variable is date or not Can any one help me. ----- Thanks in Advance Arun -- View this message in context: http://r.789695.n4.nabble.com/how-to-get-a-date-variable-from-a-dataset-tp4639038.html Sent from the R help
2011 Nov 17
2
Adding a year to existing date
Hi I need to add an year to and date field in the dataframe. Please help me X Date 1 2008-01-01 2 2008-02-01 3 2003-03-01 Thanks in advance -- View this message in context: http://r.789695.n4.nabble.com/Adding-a-year-to-existing-date-tp4078930p4078930.html Sent from the R help mailing list archive at Nabble.com.
2011 Dec 03
2
help in removal of fixed pattern
Hi I have column name as given below If the variable is in log(X1 + 1) pattern it should be removed and i need only X1 Input log(x1 + 1) x2 log(X3 +1) Expected Output X1 X2 X3 Please help me -- View this message in context: http://r.789695.n4.nabble.com/help-in-removal-of-fixed-pattern-tp4152524p4152524.html Sent from the R help mailing list archive at Nabble.com.
2011 Nov 21
2
Generating Sequence of Dates
Hi. I need to generate a sequence of date, I need to generate date for a period. Each date should be generated n times. E.g seq(as.Date("2000/1/1"), by="month", length.out=3) the output of this is "2000-01-01" "2000-02-01" "2000-03-01" But i need each date to be generated n times, if n =2 my output "2000-01-01"
2012 Apr 24
2
searchina a pattern in a string
I have a long string. i want to sepearate a 10 digit phone no from it. eg "my no is 9876543210 is personal no and my official no is 123-456-8907. you can use any of these" i want to seperate the 9876543210 and 123-456-8907 from this. therev may be many phone nos in the string. how to do it ----- Thanks in Advance Arun -- View this message in context:
2012 Feb 09
3
calling the function which is stored in a list
Hi I'm storing two functions in a list # creating two function function1 <- function(n) { return(sum(n)) } function2 <- function(n) { return(mean(n)) } #storing the function function3 =c(function1,function2) is it possible to call the stored function and used it ? x=c(10,29) funtion3[1](x) Thanks ----- Thanks in Advance Arun -- View this message in context:
2011 Dec 02
2
help in dbWriteTable
hi I need some help in dbWriteTable. I'm not able to insert the rows in the table if the column order are not same in the database and in the dataframe which i'm inserting. Also facing issue if the table is already created externally and inserting it thru dbWrite. is there some way that we can sepecify the rownames in the dbwrite..or any method which will solve my problem -- View
2011 Nov 14
2
help in fitted values in lm function
Hi, I have a data set of 10000 rows and ran a linear regression by using the function lmres = lm(formula,data) then got the fitted value by using the value fit=fitted(lmres). but the number of rows in the fitted one is about 9548, What could be the reason for reduction in the number of rows in the fitted one -- View this message in context: