search for: amongs

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2012 Sep 21
2
sharing read-only LOCAL disks among KVM guests
Hello, Is it possible to share a single host's Logical Volume among multiple local KVM guests which mount it read-only? I'm asking this because I have an idea to run multiple idential KVM guests (they all have exactly the same software installed on them), booting them from a shared local Logical Volume read-only root file system, or alternatively let them share the bulk of the software
2002 May 28
2
logit regression, test among groups
Dear all: My logistic regression model includes one qualitative and one quantitative predictor variable, aes <- glm(p.a ~ spp * log(light), family=binomial(link=logit)), where spp is abundance of 3 species and light is subcanopy light availability varying from 0 1. I want to test differences among levels of the quantitative variable at a value of x other than the current log(light)=0.
2012 Dec 15
3
kruskalmc, significant differences while median values are the same
Dear list! I work with multiple Kruskal-Wallis test (kruskalmc, package pgirmess), which evaluates differences in medians among groups (5 groups). A result of a test is significant differences among some groups, while median values are the same for 4 groups (using tapply). Why? p.s.: number of samples in groups vary from 50 to 4900. Thanks to all, OV .
2008 Dec 30
5
Randomly remove condition-selected rows from a matrix
Hello all, I create the following matrix: m <- matrix(1:20, nrow = 10, ncol = 2) which looks like: [,1] [,2] [1,] 1 11 [2,] 2 12 [3,] 3 13 [4,] 4 14 [5,] 5 15 [6,] 6 16 [7,] 7 17 [8,] 8 18 [9,] 9 19 [10,] 10 20 Then, I want to remove randomly 2 rows among the ones where m[,1]<8 and m[,2]>12 I suppose the
2007 Apr 04
1
command to see if a process is being spread among multiple cpus
What command can I use to check if a specific process is being spreaded among multiple cpus? -- ------------------------------------------------------------ Erick Perez ------------------------------------------------------------ -------------- next part -------------- An HTML attachment was scrubbed... URL:
2010 Nov 11
1
metafor: including phylogenetic non-independence among species?
Hello, Is it possible to include information about phylogenetic relatedness among species (when species are replicates for each study within a meta-analysis) in a meta-anlaysis in the metafor package? Alternatively, I wonder if the method f Lajeunesse 2009 American Naturalist has been adopted in R in any fashion? Thanks, Scott Chamberlain [[alternative HTML version deleted]]
2005 Nov 09
2
Variograms and large distances
Hello R list, I need to compute empirical variograms using data from a large geographic area (~10^6 km2). Although I could not find a specific reference, I assume that both geoR and gstat calculate distances among data points assuming points are on a flat surface (using the Pythagorean Theorem). Because the location of my data is large and located near the pole, assuming that latitude and
2010 Nov 29
1
selecting only corresponding categories from a confusion matrix
Dear R colleagues, as a result of my calculations regarding the inter-observer-variability in bronchoscopy, I get a confusion matrix like the following: 0 1 1001 1010 11 0 609 11 54 36 6 1 1 2 6 0 2 10 14 0 0 8 4 100 4 0 0 0 0 1000 23 7 12 10 5 1001 0 0 4 0 0 1010 4 0 0 3 0 1011 1 0 1 0 2 11
2007 Mar 02
4
significant anova but no distinct groups ?
Dear all, I am studying a dataset using the aov() function. The independant variable 'cds' is a factor() with 8 levels and here is the result in studying the dependant variable 'rta' with aov() : > summary(aov(rta ~ cds)) Df Sum Sq Mean Sq F value Pr(>F) cds 7 0.34713 0.04959 2.3807 0.02777 Residuals 92 1.91635 0.02083 The dependant variable
2002 Mar 29
7
"weight" parameter in htb?
Hello, I''ve been using cbq''s "weight" parameter to influence distribution of excess bandwidth among sibling classes. Does htb offer something similar? So far I think that - you either use priorities - then excess bandwidth is offered to higher priority classes first, the rest (if any) is distributed among lower priority classes - or you don''t use
2011 Jun 27
1
how to share vdi among several xcp pools
hi I am having several pools of xcp with NFS shared storage as default SR on each pool and i want to do following in this arrangement -I want to share vdis among all pools, i.e. for example if I want to detach a vdi from a vm in pool-1 to a vm in pool-2. so is this possible to do so? vdi export is one of the solution but i want to do it seamlessly just like it happens within the same pool or
2009 Aug 21
1
intra-class correlation? coherence among multiple ordinal responses
I have a quick statistical question and hoped somebody has a tip for me without me having to go to the local statistician on Monday. I assess 4 statements from 90 subjects. Each of the 4 statements receives one of three responses (say -1, 0, or 1). I can use Cramer's V or Spearman correlations to assess the correlation between each pair of statements, but I am looking for a measure of
2012 May 16
1
correlation among variables in the same subset
Dear all, I have created a subset from my dataset, which contains 6 variables. I need to make the correlation among all of them, possibly, without making it one by one. Is there any command that can permits me to do it directly for all of them in the same time? Thank you so much in advance. Andrea [[alternative HTML version deleted]]
2012 Nov 10
1
colineraity among categorical variables (multinom)
Dear all users, I"d like to ask you how to make decision about colinearity among categorical independent variables when the model is multinomial logistic regression. Any help is appreciated, Niklas [[alternative HTML version deleted]]
2006 Apr 06
0
calculating similarity/distance among hierarchically classified items
This is a question about how to calculate similarities/distances among items that are classified by hierarchical attributes for the purpose of visualizing the relations among items by means of clustering, MDS, self-organizing maps, and so forth. I have a set of ~260 items that have been classified using two sets of hierarchically-organized codes on the basis of form and content. The data looks
2013 Sep 25
1
Computing calculation among two vectors
Hi, Try: x<- 1:4 ?y<- c("*","/","-","+") res<-sapply(y,function(i) {x1<-expand.grid(x,x); unlist(lapply(paste0(x1[,1],i,x1[,2]),function(u) eval(parse(text=u))))}) row.names(res)<- as.character(interaction(expand.grid(x,x),sep="_")) head(res) #??? *?? /? - + #1_1 1 1.0? 0 2 #2_1 2 2.0? 1 3 #3_1 3 3.0? 2 4 #4_1 4 4.0? 3 5 #1_2 2 0.5
2009 Apr 01
2
repeated measures ANOVA - among group differences
I have data on the proportion of clutches experiencing different fates (e.g., 4 different sources of mortality) for 5 months . I need to test 1) if the overall proportion of these different fates is different over the entire study and 2) to see if there are monthly differences within (and among) fate types. Thus, I am pretty sure this is an RM analysis -( I measure the same quadrats each month).
2007 Nov 22
2
manual parallel processing
Hi; I have a R script that includes a call to genoud(); genoud process lasts about 4 seconds, what would be OK if I hadn't have to call it about 2000 times. This yields about 2 hours of processing. And I would like to use this script operationally; so that it should be run twice a day. It seems to me that the parallel processing option included in genoud() divides the task inside the function
2013 Apr 25
4
Why doesn't SIGTERM quit gracefully?
Hi, I''m wondering why SIGINT and SIGTERM both were chosen for the quick shutdown? I agree with SIGINT but not with SIGTERM. A lot of unix tools send SIGTERM as default (kill, runit among some) and it seems to be the standard way of telling a process to quit gracefully but not among Ruby people (there are a few other ruby processes behaving the same way). I just think it''s weird
2019 May 06
0
[PATCH v4 00/19] Share TTM code among DRM framebuffer drivers
On Mon, May 06, 2019 at 10:26:30AM +0200, Thomas Zimmermann wrote: > Several simple framebuffer drivers copy most of the TTM code from each > other. The implementation is always the same; except for the name of > some data structures. > > As recently discussed, this patch set provides generic memory-management > code for simple framebuffers with dedicated video memory. It