Re: [R] Producing a table with mean values

2012-09-09 Thread John Kane
> From: smartpink...@yahoo.com > Sent: Sat, 8 Sep 2012 11:14:11 -0700 (PDT) > To: jrkrid...@inbox.com > Subject: Re: [R] Producing a table with mean values > > Hi John, > > I am getting error messages with your solution. tabx <-  ddply(nn, > .(Seamount, variable),  su

Re: [R] Producing a table with mean values

2012-09-08 Thread arun
day, September 8, 2012 1:19 PM Subject: Re: [R] Producing a table with mean values x  <-  " Seamount    Pico    Nano  Micro    Total_Ch Off_Mount1 0.0691 0.24200 0.00100  0.31210 Off_Mount1 0.0938 0.00521 0.02060  0.11961 Off_Mount1 0.1130 0.2 0.06620  0.37920 Off_Mount1 0.0864 0.15

Re: [R] Producing a table with mean values

2012-09-08 Thread John Kane
value), sd = sd(value)) tabx John Kane Kingston ON Canada > -Original Message- > From: tsonne...@gmail.com > Sent: Fri, 7 Sep 2012 22:49:55 +0200 > To: r-help@r-project.org > Subject: [R] Producing a table with mean values > > Hi All, > > I have a data set wit

Re: [R] Producing a table with mean values

2012-09-07 Thread arun
iginal Message - From: Tinus Sonnekus To: r-help@r-project.org Cc: Sent: Friday, September 7, 2012 4:49 PM Subject: [R] Producing a table with mean values Hi All, I have a data set wit three size classes (pico, nano and micro) and 12 different sites (Seamounts). I want to produce a table wi

Re: [R] Producing a table with mean values

2012-09-07 Thread Duncan Murdoch
On 12-09-07 4:49 PM, Tinus Sonnekus wrote: Hi All, I have a data set wit three size classes (pico, nano and micro) and 12 different sites (Seamounts). I want to produce a table with the mean and standard deviation values for each site. Seamount PicoNano MicroTotal_Ch 1 Off_M

Re: [R] Producing a table with mean values

2012-09-07 Thread Rui Barradas
Hello, Try the following. agg1 <- aggregate(cbind(Pico, Nano, Micro) ~ Seamount, data = SChla, mean) agg2 <- aggregate(cbind(Pico, Nano, Micro) ~ Seamount, data = SChla, sd) names(agg1)[-1] <- paste("u", names(agg1)[-1], sep = ".") names(agg2)[-1] <- paste("sd", names(agg2)[-1], sep = ".") mer

Re: [R] Producing a table with mean values

2012-09-07 Thread David Winsemius
On Sep 7, 2012, at 1:49 PM, Tinus Sonnekus wrote: > Hi All, > > I have a data set wit three size classes (pico, nano and micro) and 12 > different sites (Seamounts). I want to produce a table with the mean and > standard deviation values for each site. > > Seamount PicoNano Micro

[R] Producing a table with mean values

2012-09-07 Thread Tinus Sonnekus
Hi All, I have a data set wit three size classes (pico, nano and micro) and 12 different sites (Seamounts). I want to produce a table with the mean and standard deviation values for each site. Seamount PicoNano MicroTotal_Ch 1 Off_Mount 1 0.0691 0.24200 0.00100 0.31210 2 Off_M