search for: coloum

...8 12 19 8 13 43 2 14 51 3 15 45 0 16 48 2 17 49 3 18 57 2 19 45 3 20 27 10 21 33 12 22 29 14 23 46 16 24 45 19 25 43 2 26 28 6 27 50 7 28 28 4 29 33 5 30 56 6 31 52 6 32 50 7 I want to group the data. Where the age coloum will be grouped in to 0-15, 15-20 ... and the sum of time of that group will be added to that group instead of count of number with in that group. Thank you for any help With Regards Subhabrata Pal [[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 "d" after that column "b" here I tried with o <- order(a,d,b) but it returns an error can any one help me to sort this multy-columns atonce thanks in advance kiran [[alternat...

Hi All, Newbie question that i'm sure is easy, but i can't seem to apply properly I read in a datafram from a CSV file and i want to tell R that from coloum "n_0" to "n_32" the value "-1" is missing data i was looking at the is.na(xx) <- c(..,...,) idea but i can't seem to apply it properly, can anyone offer advice? On a side issue while i'm asking i have a an XML that i intend to use to add value labels and va...

Dear list, I have a problem on persp() x <- u1data #first coloum in attached data y <- u2data #second coloum in attached data f <- function(x,y){qgev(pnorm(rhoF*qnorm(pnorm((qnorm(y)-rho2*qnorm(x)/sqrt(1-rho2^2)))) +sqrt(1-rhoF^2)*qnorm(0.95)),-0.3935119, 0.4227890, 0.2701648)} z <- outer(x,y,f) persp(x,y,z) The R will display: &quo...