Re: [R] Inserting rows of interpolated data

2013-02-12 Thread Joshua Ulrich
Hi Jon, zoo is great for tasks like this, not just for na.approx. :) I would approach the problem like this: library(zoo) # put lightdata into a zoo object z <- with(lightdata, zoo(light, as.POSIXct(paste(date, time), format="%m/%d/%y %H:%M:%S"))) # merge the above zoo object with an "empty" z

Re: [R] Inserting rows of interpolated data

2013-02-12 Thread PIKAL Petr
al Message- > From: r-help-boun...@r-project.org [mailto:r-help-bounces@r- > project.org] On Behalf Of Benstead, Jonathan > Sent: Tuesday, February 12, 2013 12:19 AM > To: r-help@r-project.org > Subject: [R] Inserting rows of interpolated data > > Dear help list - I have light dat

[R] Inserting rows of interpolated data

2013-02-11 Thread Benstead, Jonathan
Dear help list - I have light data with 5-min time-stamps. I would like to insert four 1-min time-stamps between each row and interpolate the light data on each new row. To do this I have come up with the following code: lightdata <- read.table("Test_light_data.csv", header = TRUE, sep = ",") #

Re: [R] Inserting rows

2009-10-23 Thread John Kane
?rbind df1 <- data.frame(matrix(rep(0,9),nrow=3)) names(df1) <- c("x1","x2","x3") rbind(df,df1) --- On Fri, 10/23/09, Ashta wrote: > From: Ashta > Subject: [R] Inserting rows > To: "R help" > Received: Friday, October 23, 2009,

Re: [R] Inserting rows

2009-10-23 Thread Henrique Dallazuanna
Try this: rbind(df, matrix(0, 3, 3, dimnames = list(NULL, names(df On Fri, Oct 23, 2009 at 11:44 AM, Ashta wrote: > Hi all, > > I have the data set  df with three varaibles, > > x1 x2 x3 > 1  2   5 > 2  4   1 > 5  6   0 > 1  1   2 > > I want to insert more rows ( eg, 3 rows with value  fill

[R] Inserting rows

2009-10-23 Thread Ashta
Hi all, I have the data set df with three varaibles, x1 x2 x3 1 2 5 2 4 1 5 6 0 1 1 2 I want to insert more rows ( eg, 3 rows with value filled with zeros) 1 2 5 2 4 1 5 6 6 1 1 2 0 0 0 0 0 0 0 0 0 Can any body help me out? Thanks __