Firstly apologies that I didn't see Ben's original response, thanks.
(Found that I had my subscription to the list disabled, so only received
mails to my address directly.)
Also I shouldn't have had the 'knee-jerk' re-action that I did and
should have followed Bert's advice by not replying, bu
Mon, Dec 13, 2010 at 9:42 AM, Steve Sidney wrote:
Thanks for the questions.
1) The data represents micro-organism counts and a count of zero in this
case is highly unlikely given the info we have; including the other
participants.
?? Censoring or an experimental failure? Big difference.
2) The
Thanks for the comments
Please see my reply to Stavros - the counts represent organisms and btw
both mean and the median are virtually unaffected by the removal of
these valuse.
Furthermore, experience rather than statistics indicates that these
values are in fact gross errors and as you of
why do you need to exclude the 1 values?
Are you sure that a) you are doing the correct kind of analysis and b)
the analysis is correct if you exclude 0 and 1?
-s
On Mon, Dec 13, 2010 at 10:38, Steve Sidney wrote:
Dear list
I have quite a small data set in which I need to have the
Dear list
I have quite a small data set in which I need to have the following
values ignored - not used when performing an analysis but they need to
be included later in the report that I write.
Can anyone help with a suggestion as to how this can be accomplished
Values to be ignored
0 - ze
, up to you how to cut it
HTH,
Ivan
Le 11/15/2010 15:53, Steve Sidney a écrit :
Dear list
I am trying to re-scale a histogram and using hist() but can not seem
to create a reduced scale where the upper values are not plotted.
What I have is about 100 of which 80 or so are between a value of 0
Dear list
I am trying to re-scale a histogram and using hist() but can not seem to
create a reduced scale where the upper values are not plotted.
What I have is about 100 of which 80 or so are between a value of 0 and
40 , one or two in the hundreds and an outlier around 2000.
What I would
u will have to do some experimenting and
learning, in order to achieve this result.
HTH - Good luck
Steve
- Original Message -
From: "Jean-Louis Abitbol"
To: "Steve Sidney" ; "Liviu Andronic"
Cc: "R Help"
Sent: Monday, January 25,
Dear Liviu / Jean-Louis
As the original poster I did find what I think is an elegant solution.
The only remaining problem is that I have not been able to get it to work in
Lyx, but it does work using a LaTeX editor (in this case WinEdt) and MikTex.
I would still like to resolve why I can't re
Hi Hadley
Thanks I have downloaded the intro and the material and will work through it
once get a chance
Thanks for your interest
Regards
Steve
- Original Message -
From: "hadley wickham"
To: "David Winsemius"
Cc: "Steve Sidney" ;
Sent: Monday, Ja
is in simple terms I would
be obliged. Don't expect you to have to provide the answer.
Once again many thanks for your patience and help
Regards
Steve
- Original Message -
From: "David Winsemius"
To: "David Winsemius"
Cc: "Steve Sidney" ;
Sent: Mond
number of participants which in this case are represented by
1's and 0' per round
b) The total number of 1's, ie Fails per round
Regards
Steve
- Original Message -
From: "David Winsemius"
To: "Steve Sidney"
Cc:
Sent: Monday, January 18, 2010 12
this helps you to understand the problem.
Regards
Steve
Your help is much appreciated
- Original Message -
From: "David Winsemius"
To: "Steve Sidney"
Cc:
Sent: Sunday, January 17, 2010 7:36 PM
Subject: Re: [R] Help using Cast (Text) Version
On Jan 17, 20
"r"), "pf_zwi")
w = cast(wi, lab ~ r)
wi_eval = w[order(as.character(w$lab)),]
# Code for summing the no of Fails for Within Results
#wsum = cast(wi, lab ~ r, margins=TRUE, sum)
##
## Save Summary of Within Results
## FileSaveWi=paste(SampleName,"_",FileName,"
om: "David Winsemius"
To: "Steve Sidney"
Cc:
Sent: Sunday, January 17, 2010 4:39 PM
Subject: Re: [R] Help using Cast (Text) Version
On Jan 17, 2010, at 5:31 AM, Steve Sidney wrote:
Sorry to repeat the meassage, not sure if the HTML version has been
received - Apologies for
Sorry to repeat the meassage, not sure if the HTML version has been
received - Apologies for duplication
Dear list
I am trying to count the no of occurances in a column of a data frame and
there is missing data identifed by NA.
I am able to melt and cast the data correctly as well as sum the
Dear list
I am trying to count the no of occurances in a column of a data frame and there
is missing data identifed by NA.
I am able to melt and cast the data correctly as well as sum the occurances
using margins and sum.
Here are the melt and cast commands
bw = melt(res, id=c("lab","r"), "pf
David , Duncan
Thanks for the swift response.
You guys hit the nail on the head. That's exactly what the problem was.
All the best
Steve
- Original Message -
From: "David Winsemius"
To: "Duncan Murdoch"
Cc: "Steve Sidney" ;
Sent: Monday, Janua
Dear List
As a fairly new R programmer I seem to have run into a strange problem -
probably my inexperience with R
After reading and merging successive files into a single data frame, I find
that order does not sort the data as expected.
I have multiple references in each file but each file
Hi Luc
Many thanks for the suggestions.
I will take a look at them as soon as I can.
Are the functions standard or are they part of a function and if so which
one?
Regards
Steve
- Original Message -
From: "Luc Villandre"
To: "Steve Sidney"
Cc:
Sent: Wednes
Dear list
I have managed to write a short program to evaluate data which is inputted
from a csv file using the following
x = read.csv("wms_results.csv", header=TRUE)
All works fine but since I have a number of similar data files which have
different names, I would like the program to allow me t
intention to continue to develop Komodo - SciViews
2) What is the IDE package used for.
3) Does it still need Rcmdr to be installed to run/.
Once again thanks for the help.
Regards
Steve
- Original Message -
From: "Philippe Grosjean"
To: "Steve Sidney"
Cc:
Sent
Dear all
I would appreciate it if someone could help me to install Scviews.
1) I am running Windows XP Service Pack 3 with 1Gb of memory and 120GB
HDrive.
2) R is installed and runs fine
RCommander is installed and seems to run reasonably well. Some issues where
it 'bombs' out for no reason.
Dear all
I would appreciate it if someone could help me to install Scviews.
1) I am running Windows XP Service Pack 3 with 1Gb of memory and 120GB HDrive.
2) R is installed and runs fine
RCommander is installed and seems to run reasonably well. Some issues where it
'bombs' out for no reason.
3
Dear all
As a new user of R, can someone please help me with the following
I have created a programme to analyse laboratory data and one of the graphs is
a bar plot of 'Z' scores.
On the bar plot I am using the following line to plot some results
barplot (zb[,c("ZBW")], ylim = c(-6,6), names.
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