Displaying 20 results from an estimated 2000 matches similar to: "Standard variance / devistion clarification"
2012 Feb 12
3
Writing output into a file
Hi everyone,
I'm an R newbie working with the poLCA module. I achieved my target without
having to bother anyone, but It seems that I've got stuck at the last
minute.
My problem is simple. I need to write my results into a file.
My results are in the shape of a list (unbalanced columns)
I've considered several methods (sink(), write.file) etc. etc.
Unfortunately, I'm not the best
2013 Apr 26
1
example
Dear Sir,
My name is Iut Tri Utami. i am beginning user. I have a problem about
generate data in R. It consists of one disk generated by a Gaussian N(0,
0.167) and one ring generated by a Gaussian N(R, 0.1). The mean R was
generated from its polar coordinates. The angle was drawn from a uniform
distribution on the interval (0, 2ð), and the radius, from a Gaussian
N(1.5, 0.1). The class sizes are
2010 Jun 21
3
Polycom firmware: split vs. combined
http://downloads.polycom.com/voice/voip/sip_sw_releases_matrix.html
Howdy, all. What's the difference between "split" and "combined"
firmware, which can be seen at the above link? I've googled to no avail,
I'm afraid.
Thanks!
-Ken
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2013 Mar 15
2
Writing a hyperlink to a csv file
Hi,
I was wondering if it is possible to create a hyperlink in a csv file using
R code and some package. For example, in the following code:
links <- cbind(rep('Click for Google',3),"google search address goes here")
## R Mailing list blocks if I put the actual web address here
write.table(links,'test.csv',
sep=',',row.names=F,col.names=F)
the web address
2012 Feb 10
1
Need to aggregate large dataset by week...
Hi all,
I have a large dataset with ~8600 observations that I want to compress to
weekly means. There are 9 variables (columns), and I have already added a
"week" column with 51 weeks. I have been looking at the functions:
aggregate, tapply, apply, etc. and I am just not savvy enough with R to
figure this out on my own, though I'm sure it's fairly easy. I also have the
Dates
2012 Feb 13
1
Retrieve by Id from an R list
Hi everyone,
I'm using the poLCA module for some analysis work.
Basically, Im using the command >poLCA(f, data=response,nclass=2)
This returns a poLCA object (a list)
>From this data, I need to retrieve certain indexes, such as[[5]] as seen
below.
[[5]]
Pr(1) Pr(2) Pr(3)
class 1: 0 1.0 0.0
class 2: 0 0.5
2012 Mar 08
4
Problem with a Matrix
Dear All,
I have a problem in making a matrix from a data. I did a summary data from a
big data frame using (ddply), the resulting table is like that:
Site.No Plant.Name Cover.Percentage
1 XXX 15
1 YYY 20
2 XXX 18
2 YYY 21
3 XXX 14
3
2013 Feb 22
1
Climate Spatial plot
Dear Sir,
I am beginner in using R. I am working on climate and like to plot spatial
but I can't able to go ahead. I know it is too simply but not for me. Here
is attached the data and my sample script. I am waiting R-users to solve my
problem. Your help is valuable for me. Thank you.
--
---------------------------------------------------
*Bedassa Regassa Cheneka*
*Adama Science and
2012 Feb 24
3
install rJava in Ubuntu 11.10
I am trying to install rJava on a WUBI Ubuntu 11.10 installation of R with no luck. I was originally trying to install the iplots package and encountered this rJava problem.
Code used:
install.packages("rJava")
(CRAN mirrors --Canada(ON) and Canada(QC2)
I installed iplots with no problem on Windows 7.
I know just about zero about Ubuntu or Linux in general so I have no idea what I
2013 Apr 25
1
problem with geom_point in ggplot using a different column
I want to draw boxplot where the geom_points are displayed based on
"ERBB2.MUT" subset and they should be displayed in the right box (based
both on the "ERBB2.2064" field and "ERBB2_Status").
However, given my command I currently only see "red" points corresponding
to "MUT" subset in one straight line corresponding to only "ERBB2.2064"
2013 Mar 07
2
Read Content from URL to XML format
Hi,
i want to know how to read a table values from a URL and get it as XML
content.
Could anyone please help me out ASAP ?
Thanks,
Antony.
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2012 Feb 16
2
Multiple line-plot
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2012 Jul 19
1
Creating Multiple Repeating samples and Cross Correlating them.
I'm having a lot of trouble getting this done and nothing I've written has
been remotely successful. Basically I have about 64 binary data sets stored
as vectors, with 72900 entries in each. I am not very familiar with cross
correlations, but I was advised that I should create 1000 randomized date
sets (used sample() for that) to use as a control, then compare the cross
correlation of my
2012 Oct 30
3
boxplots of various levels
noob here
trying to make boxplots of some data
i would like to separate the boxplots according to conditons of various
levels
for example:
i have
group:1 and 2, each group performed tests consisting of
condition A,B,C,D
side: left and right
time: 1 to 10
I would like separate boxplots of the results (x) of the tests (numeric) for
each group under each condition on each side over time.
so far i
2012 Nov 27
4
Finding values in one column and
All -
I have a data frame
data.a
ID valueA valueB
6 12 12
17 15 14
58 18 16
98 11 12
73 19 20
84 19 14
58 20 14
24 11 12
81 15 16
21 15 14
62 14 12
67 13 14
78 13 17
35 10 13
13 11 15
14 17 18
85 16 15
35 13 9
18 15 16
and a data frame
data.b
ID valueA valueB
6
84
21
78
14
I'd like to have R find the data.b$ID in data.a$ID and insert the
corresponding data.a$valueA and
2012 Nov 16
2
Calculateing means
Dear List,
I have a data matrix with 570 columns containing 95 (samples) with 6 replicates each.
How can I calculate the mean of the replicates for 95 samples?
Thank you.
The information contained in this electronic e-mail transmission and any attachments are intended only for the use of the individual or entity to whom or to which it is addressed, and may contain information that is
2012 Feb 04
2
How to Compare the median to the mean?
Okay, so I have a homework projecr for R, and we had to input the following
link as some sort of data:
nb10 <- read.table("http://www.adjoint-functors.net/su/web/314/R/NB10").
Afterwards, we have to use
fivenum(nb10) to find max, min, quantiles, and sd, but I'm okay with this.
The next question is where I'm stuck. The question is as follows;
Compare the median (use the
2012 Feb 03
3
strftime - Dates from Excel files
Hi
I have many excel files were the Date field was not declared as date,
so the dates look like this: 1/2/1978
I know that the format is day/month/year
How can I make R change this to Date format?
If I use strftime, I get wrong dates:
dataset=c("1/2/1978")
strftime(dataset,"%d/%m/%Y")
"19/02/0001"
Thanks in advance.
2013 Feb 08
2
Can not melt data.frame
I realize it's -12C and we're having the next best thing to a blizzard but why can I not melt this data frame.
I am missing something terribly obvious but I just don't understand what the error message is saying.
John Kane
Kingston ON Canada
Code and aata below
#================================================#
library(reshape2)
melt(mydata, id.vars = c("date"))
2010 Jun 15
2
a2billing for residential voip usage
Hello List.
I just installed a2billing with asterisk 1.6 and got it working. The only problem is that I'm trying to setup something to manage who's using the most minutes in the house. I noticed a2billing only works for callin cards setups, or maybe I didn't configure it correctly for what I want. Can I use a2billing for "?VoIP residential services"? if yes, how? if no,