Re: [R] Create histogram from data matrix

2009-04-18 Thread hadley wickham
On Fri, Apr 17, 2009 at 2:07 PM, Paul Warren Simonin wrote: > Thank you all for your advice. >  I have received some good tips, but it was suggested I write back with a > small simulated data set to better illustrate my needs. So, currently my > data frame looks something like: > > ID (date)  Temp

Re: [R] Create histogram from data matrix

2009-04-17 Thread David Winsemius
Looks to me that Holtman's solution was perfect: > fdf <- read.table(textConnection(txt), header=T) > fdf IDdt Temp N.fish 1 2007061835456 2 2007061835765 3 2007061834567 4 2007061833876 5 2007061833888 6 2007061832111 7 200706184

Re: [R] Create histogram from data matrix

2009-04-17 Thread Paul Warren Simonin
Thank you all for your advice. I have received some good tips, but it was suggested I write back with a small simulated data set to better illustrate my needs. So, currently my data frame looks something like: ID (date) Temperature Number of fish 200706183 5 456 200706183

Re: [R] Create histogram from data matrix

2009-04-17 Thread jim holtman
here is one way: > mydata <- data.frame(observ=sample(1:10,20,TRUE), value=sample(1:6,20,TRUE)) > > mydata observ value 1 3 6 2 4 2 3 6 4 4 10 1 5 3 2 6 9 3 7 10 1 8 7 3 9 7 6 10 1 3 11 3 3

Re: [R] Create histogram from data matrix

2009-04-17 Thread hadley wickham
On Fri, Apr 17, 2009 at 9:59 AM, Paul Warren Simonin wrote: > Hello! >  Thanks for reading this request for assistance. I have a question regarding > creating a histogram-like figure from data that are not currently in the > correct format for the "hist" command. >  Specifically, my data have been

Re: [R] Create histogram from data matrix

2009-04-17 Thread stephen sefick
It would be easier if you were to make a data frame of fake values to illustrate your point, so that we could just copy it into an R session and see if we can't get it to work. So, a stab in the dark would to look at ggplot2 specifically the hist argument in qplot and the facets, the lattice packa

[R] Create histogram from data matrix

2009-04-17 Thread Paul Warren Simonin
Hello! Thanks for reading this request for assistance. I have a question regarding creating a histogram-like figure from data that are not currently in the correct format for the "hist" command. Specifically, my data have been processed and are in a matrix with columns containing the var