search for: c2x

Displaying 12 results from an estimated 12 matches for "c2x".

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2003 Jul 16
1
The two chisq.test p values differ when the contingency table is transposed! (PR#3486)
Full_Name: Tao Shi Version: 1.7.0 OS: Windows XP Professional Submission from: (NULL) (149.142.163.65) > x [,1] [,2] [1,] 149 151 [2,] 1 8 > c2x<-chisq.test(x, simulate.p.value=T, B=100000)$p.value > for(i in (1:20)){c2x<-c(c2x,chisq.test(x, simulate.p.value=T,B=100000)$p.value)} > c2tx<-chisq.test(t(x), simulate.p.value=T, B=100000)$p.value > for(i in (1:20)){c2tx<-c(c2tx,chisq.test(t(x), simulate.p.value=T, + B=100000...
2003 Jul 15
0
Why two chisq.test p values differ when the contingency
...> randomly, rather, I'm thinking it may be due to the way chisq.test > function handles simulation. Here shows why: (Ted, I think there > is an error in your code, "tx" should be t(x) ) > > > x > [,1] [,2] > [1,] 149 151 > [2,] 1 8 > > c2x<-chisq.test(x, simulate.p.value=T, B=100000)$p.value > > for(i in (1:20)){c2x<-c(c2x,chisq.test(x, simulate.p.value=T, > + B=100000)$p.value)} > > c2tx<-chisq.test(t(x), simulate.p.value=T, B=100000)$p.value > > for(i in (1:20)){c2tx<-c(c2tx,c...
2003 Jul 15
1
Why two chisq.test p values differ when the contingency table is transposed?
I'm using R1.7.0 runing with Win XP. Thanks, ...Tao ???????????????????????????????????????????????????????? >x [,1] [,2] [1,] 149 151 [2,] 1 8 >t(x) [,1] [,2] [1,] 149 1 [2,] 151 8 >chisq.test(x, simulate.p.value=T, B=100000) Pearson's Chi-squared test with simulated p-value (based on 1e+05 replicates) data: x X-squared = 5.2001, df =
2003 Aug 21
0
The two chisq.test p values differ when the contingency table (PR#3896)
>>>>> dmurdoch writes: >> Date: Wed, 16 Jul 2003 01:27:25 +0200 (MET DST) >> From: shitao@ucla.edu >>> x >> [,1] [,2] >> [1,] 149 151 >> [2,] 1 8 >>> c2x<-chisq.test(x, simulate.p.value=T, B=100000)$p.value >>> for(i in (1:20)){c2x<-c(c2x,chisq.test(x, >> simulate.p.value=T,B=100000)$p.value)} >>> c2tx<-chisq.test(t(x), simulate.p.value=T, B=100000)$p.value >>> for(i in (1:20)){c2tx<-c(c2tx,chisq.test(t(x...
2017 Dec 28
1
Numerical stability in chisq.test
> On 28 Dec 2017, at 13:08 , Kurt Hornik <Kurt.Hornik at wu.ac.at> wrote: > >>>>>> Jan Motl writes: > >> The chisq.test on line 57 contains following code: >> STATISTIC <- sum(sort((x - E)^2/E, decreasing = TRUE)) > > The preceding 2 lines seem relevant: > > ## Sorting before summing may look strange, but seems to be >
2020 Jan 07
3
Calling function from non-default floating-point environment
Hi all, Implementation of #pragma STDC FENV_ACCESS raises a problem: what to do if a function is called inside a region where FP environment differs from the default? If the function expects default FP mode it may work incorrectly in such case. The C2x standard draft ( http://www.open-std.org/jtc1/sc22/wg14/www/docs/n2454.pdf) states (7.6p4): Certain programming conventions support the intended model of use for the dynamic floating-point environment:*) — a function call does not alter its caller’s floating-point control modes, clear its caller’s...
2020 Mar 05
3
Should rint and nearbyint be always constrained?
+cfe-dev as the discussion is now biased toward C standard. I'm not sure what problem you see here. In default mode, i.e. > when there is no "#pragma STDC FENV_ACCESS on" in effect, > then the compiler can always assume that the default rounding > mode is in effect. Well, if #pragma STDC FENV_ACCESS on is not in effect, that means > that the user has promised that at
2019 Sep 20
0
sscanf/stroul (was: Re: [PATCH nbdkit v3 2/3] Add new retry filter.)
...it_parse_* functions, but we would need a lot of them and they still wouldn't cover all the clever uses we make of sscanf, eg: https://github.com/libguestfs/nbdkit/blob/cfbbe17ee21a9a47a96a5ac7f4321d20ed90cad9/filters/error/error.c#L134 So I still think the right way to solve this is to fix C2x / POSIX so it mandates what is possibly already the glibc behaviour. Rich. -- Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones Read my programming and virtualization blog: http://rwmj.wordpress.com virt-p2v converts physical machines to virtual machines. Boot with a...
2019 Sep 19
5
Re: [PATCH nbdkit v3 2/3] Add new retry filter.
On 9/19/19 10:26 AM, Richard W.M. Jones wrote: > This filter can be used to transparently reopen/retry when a plugin > fails. The connection is closed and reopened which for most plugins > causes them to attempt to reconnect to their source. > > For example if doing a long or slow SSH copy: > > nbdkit -U - ssh host=remote /var/tmp/test.iso \ > --run 'qemu-img
2023 Feb 17
2
fseek/fgetc puzzle
Hi all. I've got a bit of a puzzle and I was wondering if anyone has any insight as to what's going on. I added some code to ssh's known_hosts handling that checks if the last byte in the file is a newline, and if not, it adds one before writing the new record. I also wrote a regression test for this and in most cases this works fine. On some platforms (Solaris, OpenIndiana and
2002 Oct 08
2
Memory fault on HP-UX 11.0, 3.4p1
Is this a known issue? (ignore the pervasive MS-outlook capitalization) Ssh-agent /bin/ksh Ssh-add /root/.ssh/id_rsa Blah blah Ssh -vvv some_server date ... debug1: ssh_rsa_verify: signature correct debug1: kex_derive_keys debug1: newkeys: mode 1 debug1: Enabling compression at level 6. debug1: SSH2_MSG_NEWKEYS sent debug1: waiting for SSH2_MSG_NEWKEYS debug1: newkeys: mode 0 debug1:
2001 Feb 14
0
ASPI problem
...mation in 32bit DLL 'WINSPOOL.DRV' (0x4a2b1000) No debug information in 32bit DLL 'COMDLG32.DLL' (0x4a264000) No debug information in 32bit DLL 'C:\PROGRAM FILES\ROXIO\WINONCD\CDDA.C2L' (0x66f24000) No debug information in 32bit DLL 'C:\PROGRAM FILES\ROXIO\WINONCD\LAYWOC.C2X' (0x109d1000) No debug information in 32bit DLL 'C:\PROGRAM FILES\ROXIO\WINONCD\GRI_MMC.DLL' (0x67058000) Unhandled exception: page fault on read access to 0x0000002c in 32-bit code (0x6490117d). In 32-bit mode. Symbol h_errno is invalid 0x6490117d (C2RECENG.DLL.?C2RE_GetLastErr@@YGKPA...