Displaying 20 results from an estimated 1000 matches similar to: "use one way ANOVA to select genes"
2016 Apr 05
0
use one way ANOVA to select genes
Hi
Others can have better insight in your question so i tis preferable to post your mails to the Rhelp list too.
I hope your datafile is all numeric. If not after t(datafile) can be character.
AFAIK your pvalue is not propagated to aov function.
Based on artificial data your construction arrives to result, which in this case tells you that there is almost no difference in those 5 groups..
m
2017 Aug 16
5
strange behaviour read.table and clipboard
Hi Duncan
The simples spreadsheet is:
Put a name in the cell, let say "a1"
Put number e.g. 1 below "a1"
Copy the number to enough rows
Select this column and press ctrl-c
result is
> temp<- read.delim("clipboard")
> str(temp)
'data.frame': 1513 obs. of 1 variable:
$ a1: Factor w/ 2 levels "1","a1": 1 1 1 1 1 1 1 1 1 1 ...
2017 Jul 04
6
R and UBUNTU startup
Dear all
I have 3 questions. Due to some reason I switched from Vista to Ubuntu on home PC. I was used to start with Rgui.exe. However I am not able to find it under Ubuntu and R starts as terminal (probably Rterm).
Question 1. Is Rgui.exe available on linux?
In Windows doc folder I can find manuals, however I did not find doc folder in Ubuntu. I found somewhere that manuals need to be
2017 Jul 10
4
fit lognorm to cdf data
Dear all
I am struggling to fit data which form something like CDF by lognorm.
Here are my data:
proc <- c(0.9, 0.84, 0.5, 0.16, 0.1)
size <- c(0.144, 0.172, 0.272, 0.481, 0.583)
plot(size, proc, xlim=c(0,1), ylim=c(0,1))
fit<-nls(proc~SSfpl(size, 1, 0, xmid, scal), start=list(xmid=0.2, scal=.1))
lines(seq(0,1,.01), predict(fit, newdata=data.frame(sito=seq(0,1,.01))), col=2)
I tried
2018 Feb 08
2
plotting the regression coefficients
Hi Petr;
Thanks for your reply. It is much appreciated. A small example is given
below for 4 independent and 4 dependent variables only. The values given
are regression coefficients.I have looked ggplot documents before writing
to you. Unfortunately, I could not figure out as my experience in ggplot is
ignorable
Regards.
Greg
y1 y2 y3 y4
x1 -0.19 0.40 -0.06 0.13
x2 0.45 -0.75 -8.67 -0.46
x3
2018 Feb 08
2
plotting the regression coefficients
Hi Petr;
Thanks so much. Exactly this is what I need. I will play to change color
and so on but this backbound is perfect to me. I do appreciate your help
and support.
Regards,
Greg
On Thu, Feb 8, 2018 at 1:29 PM, PIKAL Petr <petr.pikal at precheza.cz> wrote:
> Hi
>
> I copied your values to R, here it is
>
>
>
> > dput(temp)
>
>
>
> temp <-
2017 Aug 08
2
how to extract individual values from varcomp?
Hello,
I am trying to use varcomp to decompose the variance across multiple
nested levels on a lme object. I am able to successfully do this and
when I view the varcomp object I can see the individual values /
estimates for the variance at different levels.
However, I want to be able to extract each of them separately, as I
need to build a confidence interval using bootstrapping on the sample
2017 Aug 17
2
strange behaviour read.table and clipboard
Hi
> -----Original Message-----
> From: Robert Baer [mailto:rbaer at atsu.edu]
> Sent: Wednesday, August 16, 2017 3:04 PM
> To: PIKAL Petr <petr.pikal at precheza.cz>; Duncan Murdoch
> <murdoch.duncan at gmail.com>
> Cc: r-devel at r-project.org
> Subject: Re: [Rd] strange behaviour read.table and clipboard
>
> You said, "put a name in the cell".
2018 Feb 16
2
Putting 733 discrete categories on Y-axis in qqplot2 as they are
Hi Petr;
I would like to get a plot with names as they are in the original file.
They are chemical names and I have 733 in the my file. For example, let me
give to chemical names "*2-hydroxybutyrate/2-hydroxyisobutyrate*" and
"*palmitoyl-arachidonoyl-glycerol
(16:0/20:4) [1]**" .So, what should I put [c(2,3,1)] part in the command:
iris$MySpecies<-factor(iris$Species,
2018 Feb 15
2
Putting 733 discrete categories on Y-axis in qqplot2 as they are
Hi all;
I have 733 discrete categories that will go on y-axis in ggplot2. I used
the following command to put the name of x-axis.
scale_x_discrete (limits = c("SI", "HOMAIR",
"AIR","HOMAB","SG","DI","FI","FG"))
Since there are only 8 categories on x it was easy to do. Is there any way
to do the same for 733 discrete
2017 Oct 11
6
changing "," to "." in data.frame
Dear friends - I have a data.frame with "," instead of "." and found the
discussion
http://r.789695.n4.nabble.com/How-to-replace-all-commas-with-semicolon-in-a-string-tt4721187.html#a4721192
so copying the code of Ulrik(I hope:-)) I tried
(making some data)
AX <-
2017 Aug 15
2
strange behaviour read.table and clipboard
Dear all
I used to transfer data from excel to R by simple ctrl-c and read.delim("clipboard") construction. I know it is a bad practice but it is easy and for quick exploratory work it is OK. However after changing to new R devel few days ago I encountered weird behaviour. I tried one or two columns.
In case of 2 columns, header is repeated after 526 items
>
2017 Jun 29
2
Changing ggplot2 legend key/title to custom text
Hi all,
ok I have this issue:
I want to change my graphs legends to custom text, often requiring the use of superscripts/subscripts
I tried to use this instruction I found on stack overflow:
labs(x = "R(Ohm)", y= "CDF", aesthetic= " Content (%)" )
but it wont' seem to work.
Also tried bquote for super/ subscripts
xlab(bquote(~x~/(~x~ + ~MO[2]~)*
2017 Nov 09
2
R-help
Generate a clustered pattern in [0; 1]2 as follows:
(a) Generate nc, say 20, independent cluster centres (which can be called
parents) that are distributed i.i.d. uniformly in the unit square;
(b) then n daughters are assigned i.i.d. uniformly to these parents and
such that each daughter is located i.i.d. uniformly in a disk of radius r =
0:1 centred at her parent, under the periodic boundary
2017 Jul 03
3
reshaping the data
Dear all,
I would appreciate please a piece of help regarding the use of acast/dcast
functions in reshape2 package.
Specifically, I'm working with a data frame, that has information about
SAMPLE, GENE, and TYPE of MUTATION (as shown below):
Sample Gene Type
22M AEBP1 SNV
17M AEBP1 SNV
22M ATR INDEL
22M ATR SNV
11M BTK SNV
11M BTK
2018 Feb 16
4
stem - strange leaves
> x
[1] 8.0 7.9 7.5 7.0 8.0 7.3 8.0 7.2 7.4 7.3 7.8 8.0 7.7 8.3 7.8 7.8 7.1 7.7 6.9 7.5 7.5 7.3 7.2 7.5 7.2
> stem(x)
The decimal point is at the |
6 | 9
7 | 012223334
7 | 5555778889
8 | 00003
> y <- c(x, 8)
> stem(y)
The decimal point is 1 digit(s) to the left of the |
68 | 0
70 | 00
72 | 000000
74 | 00000
76 | 00
78 | 0000
80 | 00000
82 | 0
The
2017 Jul 04
0
R and UBUNTU startup
I did the same transition, facing the same issues, so I settled for installation of RKWard. This pretty much reproduces my previous experience with Tinn-R and the Rgui.
HTH
Ruben
________________________________
Ruben H. Roa-Ureta, Ph. D.
Senior Scientist,
Center for Environment and Water, Marine Studies Section,
King Fahd University of Petroleum and Minerals,
KFUPM Box 1927, Dhahran 31261,
2017 Jun 14
3
about fitting a regression line
Thanks. I thought lm() function is for linear model, such as the
correlation below:
Y= aX + b
On Wed, Jun 14, 2017 at 5:25 PM, MacQueen, Don <macqueen1 at llnl.gov> wrote:
> Start with the lm() function; i.e., see
>
> ?lm
>
> -Don
>
> --
> Don MacQueen
>
> Lawrence Livermore National Laboratory
> 7000 East Ave., L-627
> Livermore, CA 94550
>
2017 Aug 11
2
Annotation Ticks on the axis
Hi all,
I would like to have help in getting annotation ticks (corresponding to the
minor grid) on my plot. Here is my toy example :
par(mar=c(5, 6, 5, 5) + 0.1)
x<-1:10
y<-x^2
plot(x,y,log="xy",xlab="log(x)",ylab="log(y)")
par(new=T)
2017 Jul 10
0
fit lognorm to cdf data
How about
proc <- c(0.9, 0.84, 0.5, 0.16, 0.1)
size <- c(0.144, 0.172, 0.272, 0.481, 0.583)
plot(size, proc, xlim=c(0,1), ylim=c(0,1))
fit<-nls(proc~plnorm(size, log(xmid), sdlog, lower=FALSE), start=list(xmid=0.2, sdlog=.1))
summary(fit)
lines(fitted(fit)~size)
-pd
> On 10 Jul 2017, at 16:27 , PIKAL Petr <petr.pikal at precheza.cz> wrote:
>
> Dear all
>
> I am