Displaying 20 results from an estimated 190 matches for "ex1".
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2004 Oct 04
7
Strange Matrix Multiplication Behaviour
Hi there fellow R-users,
Im seeing some strange behaviour when I multiply a vector by a matrix
Here is my script:
> tr
1 2 3 4 5 6
0.2217903 0.1560525 0.1487908 0.1671354 0.1590643 0.1471667
>
> ex1
a b c d e f
1 0.2309579 -3.279045 -0.6694697 -1.1024404 0.2303928 -1.5527404
2 -0.2865357 -2.519789 -0.1138712 -0.3571832 -2.6727913 -0.3296945
> is.vector(tr)
[1] TRUE
> is.data.frame(ex1)
[1] TRUE
> tr* ex1[1,]
a...
2008 May 09
1
data management question
...;- c(rep(1970,3),rep(1980,3))
> x <- c(20,30,40,25,35,45)
> ex <- data.frame(id=id,year=year,x=x)
> ex
id year x
1 A 1970 20
2 B 1970 30
3 C 1970 40
4 A 1980 25
5 B 1980 35
6 C 1980 45
I want to draw a subset of "ex" by selecting only the A and B units:
> ex1 <- subset(ex[which(ex$id=="A"|ex$id=="B"),])
Now I want to do some computations on x for each unit:
> tapply(ex1$x, ex1$id, mean)
A B C
22.5 32.5 NA
But this gives me an NA value for the unit C, which I thought I had
already left out. How do I ensure that t...
2008 May 10
3
question about subseting a dataframe
...ar <- c(rep(1970,3),rep(1980,3))
> x <- c(20,30,40,25,35,45)
> ex <- data.frame(id=id,year=year,x=x)
> ex
id year x
1 A 1970 20
2 B 1970 30
3 C 1970 40
4 A 1980 25
5 B 1980 35
6 C 1980 45
I want to draw a subset of "ex" by selecting only the A and B units:
> ex1 <- subset(ex[which(ex$id=="A"|ex$id=="B"),])
Now I want to do some computations on x for each selected unit only:
> tapply(ex1$x, ex1$id, mean)
A B C
22.5 32.5 NA
But this gives me an NA value for the unit C, which I thought I had already
left out. How do I en...
1997 Nov 03
1
R-alpha: expression(..) objects -- c(ex1, ex2) `fails'
...r the fact that expression objects behave somewhat
``wierdly'', IMHO.
We can have expressions of length(.) > 1, and access elements of these like
list elements.
However, other natural things don't work with expressions; some example code:
##-- `Simple' length--1 expressions:
ex1 <- expression(hat(beta) == (X^t * X)^{-1} * X^t * y)
ex2 <- expression(bar(x) == sum(over(x[i], n), i==1, n))
ex3 <- expression(paste(over(1, sigma*sqrt(2*pi)), " ",
plain(e)^{over(-(x-mu)^2, 2*sigma^2)}))
##-- A length--2 expression:
ex12 <- expression(bar(x) == sum(over...
2003 Feb 05
7
Winbind on HPUX 11, some small progress
...bit
easier. I thought it might be that the shell doens't exist, but I tried
making a user with a invalid shell and get back error code 1, so its not
that.
Ideas?
Cheers
Miles
-----Original Message-----
From: Miles Roper
Sent: Monday, 3 February 2003 08:54 a.m.
To: 'MCCALL,DON (HP-USA,ex1)'
Cc: 'samba-technical@lists.samba.org'; 'samba@lists.samba.org'; Esh,
Andrew; Ronan Waide; STEFFENS,MICHAEL (HP-Germany,ex1); 'Richard
Sharpe'; 'John H Terpstra'
Subject: RE: [Samba] RE: Winbind on HPUX11, Totally Stuck, Please Help
Thanks for your help, still...
2009 Apr 08
1
Anova interaction not tested
I've noticed with certain datasets that when I try to do an anova and test
for main effects and interaction for two explanatory variables, sometimes
the main effect results are given but not the interaction results. For
example,
ex1 = aov(Score ~ var1*var2, data=myData)
summary(ex1)
gives me only the main effects for var1 and var2, but not the interaction. I
also tried
ex1 = aov(Score ~ var1+var2+var1:var2, data=myData)
summary(ex1)
but it still only gives the main effects. The only way I can get the
interaction results is...
2002 Feb 14
0
Sharing to domain users?
...r seperator for winbind)
B) Is it case sensitive? in other words do I specify JWAD+dantest rather
then jwad+dantest?
c) Can I specify an NT user group such as all accounts in the JWAD Domain
Users account and how would I do this?
Thanks,
-Dan
-----Original Message-----
From: MCCALL,DON (HP-USA,ex1) [mailto:don_mccall@hp.com]
Sent: Thursday, February 14, 2002 10:49 AM
To: 'Thomas, Daniel J.'; MCCALL,DON (HP-USA,ex1)
Subject: RE: [Samba] Winbind - Why won't you authenticate???
Hi Daniel,
Does Solaris have a getpwnam or getpwent command, that you can see if
your libnss_winbindd.s...
2008 Oct 06
0
Computing on the language redux
Warning: This is only for those interested in R language minutiae
A recent post on this list asked if there was a simple way to change the R
language object:
ex1 <- expression(x < a) ## just the part to the right of the <- assignment
to the object
expression( x < a & y < b) ## or something like this
Phil Spector showed how to do this by essentially deparsing and reparsing
the string:
parse(text =paste(ex1, "& y < b"...
2010 Sep 20
2
interpreting one-way anova tables
Hi, I am trying to reconcile anova table in R (summary(lm)) with individual t.test.
datafilename="http://personality-project.org/R/datasets/R.appendix1.data"
data.ex1=read.table(datafilename,header=T) #read the data into a table
summary(lm(Alertness~Dosage,data=data.ex1))
gives:
Call:
lm(formula = Alertness ~ Dosage, data = data.ex1)
Residuals:
Min 1Q Median 3Q Max
-8.500 -2.437 0.250 2.687 8.500
Coefficients:
Estimate Std. E...
2012 Jan 18
2
Table Intersection
I've got two tables....
first one(table1):
ID chrom start end
Ex1 2 152 180
Ex2 10 2000 2220
Ex3 15 3000 4000
second one ( table2):
chrom location name
2 160 Alv
2 190 GNN
2 100...
2007 Sep 29
2
Help with functions (iterations)
...and store it in a numeric vector (of length 100). The for loop should be placed in a function that allows the user to vary the sample size, the simulation size, the integration limits and the input function. In addition construct a histogram of the estimates and include a red vertical line at pi.
ex1.fcn<-function(x){
h<-4/(1+x^2)
return(h)
}
n=1000
a=0
b=1
my.rand.x=runif(n,min=a,max=b)
pi.MC = ((b-a)/n)*sum(ex1.fcn(my.rand.x))
2007 Jan 04
1
problem with function 'optimise' (PR#9438)
...0,0.5]. The function follows a parabola and has two local maxima
located at the margins of the interval [0,0.5]. Please try the following code
which performs this optimisation, produces a plot of the function within the
given interval and adds the computed maximum returned by 'optimise()'
ex1 <- function(x) log(4 * x^2 - 2 * x + 0.5)
opt1 <- optimise(ex1, lower=0, upper=0.5, maximum=T)
x <- seq(0,0.5,0.001)
plot(x, ex1(x), type="l")
abline(v=opt1$maximum, col="red")
The returned value of the maximum is 0.309017 which is definitely wrong.
Example 2:
The ne...
2002 Feb 12
10
Winbind - Why won't you authenticate???
Well, I managed to get Samba 2.2.3 up and running on our Solaris 8 machine.
I installed with the winbind option and everything went though just find.
I was able to join the NT domain and now I can do a wbinfo -u "and get a
domain user list as well as a "wbinfo -g and get a group list. For some
reason though, the authentication isn't working.
I tried to "wbinfo -a" and
2006 Aug 15
0
Help with workaround for: Function '`[`' is not in thederivatives table
...rscores in the middle. We hope this works - there is a strong
assumption here on just how complicated your indices are, for example.
We are assuming they are either identifiers (not using two successive
underscores in their names) or numbers. If they are not, you need to
get even craftier.
> Ex1 <- D(Ex, "A__2")
> Ex1
A__1 * (exp(A__2 * X) * X)
> Ex1s <- deparse(Ex1)
> Ex1s
[1] "A__1 * (exp(A__2 * X) * X)"
> pat1 <- paste(Ident, "__", Subsc, sep = "")
> rep1 <- "\\1\\[\\2\\]"
> Ex1ss <- gsub(pat1, rep1, Ex1s...
2016 Apr 11
1
Correlation between package output
Hello
I'm currently using the dbFD function of the FD package and i'm having some
things that I can't do.
Is there any way to check the relations between dbFD indexes?
Function cor for example? I can't manage to put the informations correctly
dbFD function gives a lot of output (indexes - nbsp, sing.sp, FRic, FEve,
FDiv, FDis and RaoQ). I want to see the relationships between
2009 Jan 31
1
Question on Sweave-Latex and examples in the Sweave Manual
...h/Sweave/Sweave-manual.pdf
and i have tried to replicate the example on pages 4-5, but i encounter the following problem: IT DOES NOT WORK. I can run Sweave, create the .tex file and then when building the .tex file in TeXnikCenter i get all sorts of error messages.
The syntax:
>Sweave("ex1.Rnw")
Writing to file ex1.tex
Processing code chunks ...
1 : echo term verbatim
2 : term verbatim eps pdf
You can now run LaTeX on 'ex1.tex'
I have attached the log file with the error messages.
Initially i had a problem with \usepackage {sweave} but i think i have solved (as it...
2012 Apr 30
2
Calendar Integration Problem
...figured ical for zimbra, caldav for google mail and ews for exchange
2010 calendar.
ical and caldav setup working fine and i am getting my calendar events
perfectly. But for exchange 2010 calendar i am getting following error.
"Unable to communicate with Exchange Web Service at '
https://ex1.domain.com/EWS/Exchange.asmx': Could not authenticate to
server: ignored NTLM challenge, GSSAPI authentication error: Unspecified
GSS failure. Minor code may provide more information: Credentials cache
file '/tmp/krb5cc_0' not found"
my calendar.conf is as follows
[calendar3]
ty...
2001 May 09
4
The "security mask" parameter
I am a new Samba user so forgive my ignorance.
I am using Samba version 2.0.6 on HP UX 11 and I need to use the "security mask" parameter to prevent even the owner of a file from changing the read
only attribute
(by right clicking on the file from a Windows NT 4.0 desktop) if the file is read only (Unix permissions: 0440). This is what I have in the
"smb.conf" file:
[global]
2001 Mar 26
0
FW: RE: Explorer & MS Office hang
...th ms applications hanging on trying to
open a file.
Turns out it was an nfs locking issue.
Hope this helps,
Don
-----Original Message-----
From: Partenheimer Nate [mailto:npartenh@butler.edu]
Sent: Monday, March 26, 2001 1:23 PM
To: "MCCALLDON "@envelope.hp.com; HP-USA@envelope.hp.com; ex1 "
Subject: RE: RE: Explorer & MS Office hang
Sensitivity: Confidential
Thanks for all your help - I finally solved it! We were, coincidentally,
having some trouble with sas on our enterprise server too so after speaking
to sas support we determined that our nfs lock data had become corr...
2002 May 06
6
SCP file corruptions
Hi,
I apparently was asleep at the wheel using scp, and accidentally copied a
file onto itself. Scp generated an Input/Output error and did not perform
the copy. However, now the file is corrupt. Is this a but? Is there anyway
to fix the file I messed up?
Thanks,
Don Gathman
208.396.6675