similar to: Linking 2 columns in 2 databases and applying a function

Displaying 20 results from an estimated 100 matches similar to: "Linking 2 columns in 2 databases and applying a function"

2011 Jul 25
3
Finding/identifying a value within a factor
Hi all, I'm trying to identify a particular digit or value within a vector of factors. Specifically, this is environmental data where in some cases the minimum value reported is "<" a particular number (and I want to manipulate only these). For example: x<-c("1","2","3","4","<1") For a dataset that is hundreds or
2011 Dec 12
4
Boxplot of multiple vectors with different lengths
Hello, I'm attempting to write a code that automatically imports data from different files (with different lengths-just one variable) and makes tidy box plots for comparison. I can successfully import the data and create a list of the vectors I want to compare. But I cannot, for the life of me, figure out how to generate box plots using the "list" option. Suppose these are my data:
2011 May 03
2
Controlling the extent of ablines on plot
Hi all, I'm attempting to make a quite-specific plot where the axes cross at the origin and with gridlines for guidance. I've been using ablines to create the reference lines because I want a lot of control as to where they are placed on the axis. This command works very well for such control. However... These ablines don't seem to work when I specify the origin as 0,0. They go
2011 Dec 12
1
Please delete my e-mail judit.barroso@montana.edu
Please, I am receiving lot of e-mails that I do not want. Please could you delete my e-mail. Thank, Judit -----Original Message----- From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-project.org] On Behalf Of Thomas Adams Sent: Monday, December 12, 2011 3:22 PM To: Bert Gunter Cc: r-help at r-project.org Subject: Re: [R] Boxplot of multiple vectors with different lengths Bert,
2011 Jan 25
5
Counting number of rows with two criteria in dataframe
Hi R-users, I'm trying to find an elegant way to count the number of rows in a dataframe with a unique combination of 2 values in the dataframe. My data is specifically one column with a year, one with a month, and one with a day. I'm trying to count the number of days in each year/month combination. But for simplicity's sake, the following dataset will do:
2010 May 14
2
Deleting rows with NA from isolated column in matrix
Hi all, I'm relatively new to R and have a data management problem. I am importing a data matrix with some columns that have missing values. I am trying to figure out how to delete rows with NA for data FOR JUST ONE SPECIFIED column. For instance, with the example matrix: x<-matrix(nrow=5,ncol=3) x[,]<-1 x[5,1]<-NA x[3,3]<-NA how do I tell R to delete any rows with an NA value
2006 Jan 18
1
phyper returns 1 if x==k (PR#8499)
Full_Name: Utz J. Pape Version: 2.2.0 OS: linux Submission from: (NULL) (141.14.23.12) If I use phyper and set parameter x equal to k (meaning that all balls I draw are white) phyper returns 1 which is not (always) correct: pape at xxx:~> R2.2.0 --vanilla R : Copyright 2005, The R Foundation for Statistical Computing Version 2.2.0 (2005-10-06 r35749) ISBN 3-900051-07-0 R is free software
2010 Mar 10
1
Importing Access 2007 data with ROBC
Hi all, I'm trying to import Microsoft Access data into R. It looks like I'm supposed to use the ROBC package, and this works fine with old Access files (those with an .mdb extension). However, lovely Microsoft must constantly update their software. Modern Access files have an .ACCDB extension. I cannot seem to coerce R to import data from such a file. Any advice? I've been using
2010 Mar 18
1
Imported tables from Access 2007
Hi all, I am very new to R and I'm trying to import data from Microsoft Access. So far, I've managed to do so successfully using the following code: testdb <- file.path("c:\Databse.accdb") channel2 <- odbcConnectAccess2007(testdb) data.table <- sqlFetch(channel2,"data") This successfully imports a table(?) called "data.table". But when I try to
2014 Sep 17
4
[PATCH v5 2/3] virtio_pci: Use the DMA API for virtqueues when possible
On Sep 17, 2014 7:13 AM, "Michael S. Tsirkin" <mst at redhat.com> wrote: > > On Wed, Sep 17, 2014 at 08:02:31AM -0400, Benjamin Herrenschmidt wrote: > > On Tue, 2014-09-16 at 22:22 -0700, Andy Lutomirski wrote: > > > On non-PPC systems, virtio_pci should use the DMA API. This fixes > > > virtio_pci on Xen. On PPC, using the DMA API would break
2014 Sep 17
4
[PATCH v5 2/3] virtio_pci: Use the DMA API for virtqueues when possible
On Sep 17, 2014 7:13 AM, "Michael S. Tsirkin" <mst at redhat.com> wrote: > > On Wed, Sep 17, 2014 at 08:02:31AM -0400, Benjamin Herrenschmidt wrote: > > On Tue, 2014-09-16 at 22:22 -0700, Andy Lutomirski wrote: > > > On non-PPC systems, virtio_pci should use the DMA API. This fixes > > > virtio_pci on Xen. On PPC, using the DMA API would break
2014 Sep 19
0
[PATCH v5 2/3] virtio_pci: Use the DMA API for virtqueues when possible
On Wed, 2014-09-17 at 09:07 -0700, Andy Lutomirski wrote: > It shouldn't. That being said, at some point this problem will need > solving on PPC, and this patch doesn't help much, other than adding > the virtio_ring piece. > > I'd really like to see the generic or arch IOMMU code handle this so > that the PPC special case in the virtio-pci driver can go away. >
2006 May 17
0
Last Chance: SYDNEY, AUSTRALIA JUNE 5-8, Data Mining Training/Workshop
Last chance to register for Sydney, Australia Data Mining Training and Workshop. Training: June 5-7, 2006 Workshop: June 8, 2006 Register for 1, 2, 3 or 4 days. Location: Australian Graduate School of Management, Lecture Theatre Number 1 O'Connell Street Sydney, Australia Objective: The training and workshop are aimed at bringing together researchers and practitioners to learn about data
2014 Sep 20
2
[PATCH v5 2/3] virtio_pci: Use the DMA API for virtqueues when possible
On Sep 19, 2014 2:33 PM, "Benjamin Herrenschmidt" <benh at kernel.crashing.org> wrote: > > On Wed, 2014-09-17 at 09:07 -0700, Andy Lutomirski wrote: > > It shouldn't. That being said, at some point this problem will need > > solving on PPC, and this patch doesn't help much, other than adding > > the virtio_ring piece. > > > > I'd
2014 Sep 20
2
[PATCH v5 2/3] virtio_pci: Use the DMA API for virtqueues when possible
On Sep 19, 2014 2:33 PM, "Benjamin Herrenschmidt" <benh at kernel.crashing.org> wrote: > > On Wed, 2014-09-17 at 09:07 -0700, Andy Lutomirski wrote: > > It shouldn't. That being said, at some point this problem will need > > solving on PPC, and this patch doesn't help much, other than adding > > the virtio_ring piece. > > > > I'd
2018 Apr 25
2
Samba 4 - ISO-8859-15 filenames not listed while browsing
Thanks Jeremy, i'm analyzing this with the application team, we'll see what we can find. > I was hoping to find a way for the samba4 server to behave like samba3 (as > in ignoring bad characters and replacing them with an underscore > character), which in the end resulted in the best compromise. In the meantime, do you have any idea why there is difference between the two
2007 Oct 07
0
Rails AR/Oracle Unit Test: [7769] failed (getting worse)
"bitsweat" has kicked AR/Oracle while it was down... http://dev.rubyonrails.org/changeset/7769 ------------------------------------------------------------------------ r7769 | bitsweat | 2007-10-06 22:29:37 -0700 (Sat, 06 Oct 2007) | 1 line MySQL: speedup date/time parsing. ------------------------------------------------------------------------ U
2008 Sep 09
1
Genmod in SAS vs. glm in R
Hello, I have different results from these two softwares for a simple binomial GLM problem. >From Genmod in SAS: LogLikelihood=-4.75, coeff(intercept)=-3.59, coeff(x)=0.95 >From glm in R: LogLikelihood=-0.94, coeff(intercept)=-3.99, coeff(x)=1.36 Is there anyone tell me what I did wrong? Here are the code and results, 1) SAS Genmod: % r: # of failure % k: size of a risk set data
2010 Jul 26
3
List to data frame
Hi, Any ideas on how to efficiently convert > list(c(1,2,3),c(4,5,6)) to > data.frame(OriginalListIndex=c(1,1,1,2,2,2),Item=c(1,2,3,4,5,6)) Thanks for any hints, Joh
2009 Dec 14
3
[LLVMdev] clang and static functions
Hi, Sorry for not being specific. I just wanted to know if there is any way at all to force clang to generate intermediate code for static functions when they are not being called anywhere inside the current module. Other compilers seem to generate intermediate code (lcc, for instance). Thanks for your reply..Olivier. Sincerely Arvind On Mon, Dec 14, 2009 at 1:10 PM, Olivier Meurant