Displaying 20 results from an estimated 1000 matches similar to: "Regression query"
2004 Jun 11
1
Regression query : steps for model building
Hi
I have a set of data with both quantitative and categorical predictors.
After scaling of response variable, i looked for multicollinearity (VIF
values) among the predictors and removed the predictors who were hinding
some of the
other significant predictors. I'm curious to know whether the predictors
(who are not significant) while doing simple 'lm' will be involved in
2020 Oct 02
3
Lahman Baseball Data Using R DBI Package
I?m trying to pull data from one table (batting) in the Lahman Baseball database. Notice X2B for doubles and X3B for triples ? fourth and fifth from the right.
The dbGetQuery function runs fine when I leave there two out but I get error messages (in red) when I include 2B/3B or X2B/X3B.
Can anyone give me some direction?
Thanks,
Philip Heinrich
2020 Oct 03
1
Lahman Baseball Data Using R DBI Package
The double quotes are required by SQL if a name is not of the form
letter-followed-by-any-number-of-letters-or-numbers or if the name is a SQL
keyword like 'where' or 'select'. If you are doing this from a function,
you may as well quote all the names.
-Bill
On Fri, Oct 2, 2020 at 6:18 PM Philip <herd_dog at cox.net> wrote:
> The \?2B\? worked. Have no idea why. Can
2020 Oct 08
0
Lahman Baseball Data Using R DBI Package
Hi Philip,
You've probably realized by now that R doesn't like column names that
start with a number. If you try to access an R-dataframe column named
2B or 3B with the familiar "$" notation, you'll get an error:
> library(DBI)
> library(RSQLite)
> con2 <- dbConnect(SQLite(), "~/R_Dir/lahmansbaseballdb.sqlite")
> Hack12Batting <-
2020 Oct 08
1
Lahman Baseball Data Using R DBI Package
This is really a feature of SQL, not R. SQL requires that you double quote
column names that start with numbers, include spaces, etc., or that are SQL
key words. E.g.,
> d <- data.frame(Order=c("sit","stay","heel"),
Where=c("here","there","there"), From=c("me","me","you"))
>
2009 Apr 02
1
calculating drop1 R^2s
This is probably simple, but I just can't see it...
I want to calculate the R^2s for a series of linear models where each
term is dropped in turn. I can get the
RSS from drop1(), and the r.squared from summary() for a given model,
but don't know how to use the
result of drop1() to get the r.squared for each model with one term dropped.
Working example:
library(vcd) # for
2010 Apr 18
2
sample period specification
I am using R and I input data through excel files. I am able to read the excel files into R through xlsreadwrite package.
My query: is how to tell the sample period of the data.
For example, data in my file are annual and start from the year 1950 and go up to the year 2010.
the R, however, reads it as starting at 1 and ending at 60.
for example, when I do structural break, its shows break, say,
2009 Oct 06
1
[PATCH 2.6.32-rc3] net: VMware virtual Ethernet NIC driver: vmxnet3
Ethernet NIC driver for VMware's vmxnet3
From: Shreyas Bhatewara <sbhatewara at vmware.com>
This patch adds driver support for VMware's virtual Ethernet NIC: vmxnet3
Guests running on VMware hypervisors supporting vmxnet3 device will thus have
access to improved network functionalities and performance.
Signed-off-by: Shreyas Bhatewara <sbhatewara at vmware.com>
2009 Oct 06
1
[PATCH 2.6.32-rc3] net: VMware virtual Ethernet NIC driver: vmxnet3
Ethernet NIC driver for VMware's vmxnet3
From: Shreyas Bhatewara <sbhatewara at vmware.com>
This patch adds driver support for VMware's virtual Ethernet NIC: vmxnet3
Guests running on VMware hypervisors supporting vmxnet3 device will thus have
access to improved network functionalities and performance.
Signed-off-by: Shreyas Bhatewara <sbhatewara at vmware.com>
2006 Feb 23
2
Working with lists with numerical names
Greetings!
I'm have a hard time working with some data I imported from a baseball
database. Several of the database columns have numbers in them (2B,
3B), and when I try to use these vectors from the data frame, I get
syntax errors, probably because it's interpreting the name as a number:
> show(batting2005)
playerID yearID stint teamID lgID G AB R H 2B 3B HR RBI SB CS BB
2007 Oct 14
1
Question re matplot
Hi,
I have the following script for matplot
matplot(battingagg$X, battingagg[, c("HR","RBI","X2B", "BB",
"R", "SB")], type="b",lty=4,lwd=2, col=1:4,xlab = "Year",
ylab "(1)HRs, (2)RBIs, (3)DOUBLES,(4)BB,(5)Runs,(6) BB",
pty="m",sub = "Figure 2. Plot of Selected Offensive
Baseball
2013 Aug 23
1
[PATCH] VMXNET3: Add support for virtual IOMMU
This patch adds support for virtual IOMMU to the vmxnet3 module. We
switch to DMA consistent mappings for anything we pass to the device.
There were a few places where we already did this, but using pci_blah();
these have been fixed to use dma_blah(), along with all new occurrences
where we've replaced kmalloc() and friends.
Also fix two small bugs:
1) use after free of rq->buf_info in
2013 Aug 23
1
[PATCH] VMXNET3: Add support for virtual IOMMU
This patch adds support for virtual IOMMU to the vmxnet3 module. We
switch to DMA consistent mappings for anything we pass to the device.
There were a few places where we already did this, but using pci_blah();
these have been fixed to use dma_blah(), along with all new occurrences
where we've replaced kmalloc() and friends.
Also fix two small bugs:
1) use after free of rq->buf_info in
2012 May 25
1
Correlograms: using boxes and different variables on rows and columns
I'm trying to make correlograms using corrgram. See below for a simple
example.
####
library(corrgram)
data(baseball)
vars1 <- c("Assists","Atbat","Errors","Hits","Homer","logSal")
vars2 <- c("Putouts","RBI","Runs","Walks","Years")
2009 Oct 12
1
[PATCH 2.6.32-rc4] net: VMware virtual Ethernet NIC driver: vmxnet3
Ethernet NIC driver for VMware's vmxnet3
From: Shreyas Bhatewara <sbhatewara at vmware.com>
This patch adds driver support for VMware's virtual Ethernet NIC: vmxnet3
Guests running on VMware hypervisors supporting vmxnet3 device will thus have
access to improved network functionalities and performance.
Signed-off-by: Shreyas Bhatewara <sbhatewara at vmware.com>
2009 Oct 12
1
[PATCH 2.6.32-rc4] net: VMware virtual Ethernet NIC driver: vmxnet3
Ethernet NIC driver for VMware's vmxnet3
From: Shreyas Bhatewara <sbhatewara at vmware.com>
This patch adds driver support for VMware's virtual Ethernet NIC: vmxnet3
Guests running on VMware hypervisors supporting vmxnet3 device will thus have
access to improved network functionalities and performance.
Signed-off-by: Shreyas Bhatewara <sbhatewara at vmware.com>
2009 Sep 30
4
[PATCH 2.6.32-rc1] net: VMware virtual Ethernet NIC driver: vmxnet3
Ethernet NIC driver for VMware's vmxnet3
From: Shreyas Bhatewara <sbhatewara at vmware.com>
This patch adds driver support for VMware's virtual Ethernet NIC: vmxnet3
Guests running on VMware hypervisors supporting vmxnet3 device will thus have
access to improved network functionalities and performance.
Signed-off-by: Shreyas Bhatewara <sbhatewara at vmware.com>
---
VMware
2009 Sep 30
4
[PATCH 2.6.32-rc1] net: VMware virtual Ethernet NIC driver: vmxnet3
Ethernet NIC driver for VMware's vmxnet3
From: Shreyas Bhatewara <sbhatewara at vmware.com>
This patch adds driver support for VMware's virtual Ethernet NIC: vmxnet3
Guests running on VMware hypervisors supporting vmxnet3 device will thus have
access to improved network functionalities and performance.
Signed-off-by: Shreyas Bhatewara <sbhatewara at vmware.com>
---
VMware
2017 Feb 01
15
[PATCH 00/14] hyperv: vmbus related patches
This is a rebase/resend of earlier patches. I skipped the pure
cosmetic patches for now. Mostly this is consolidation earlier
changes, removing dead code etc. The important part is the
change for allowing a vmbus channel to get callback directly
in interrupt mode; this is necessary for NAPI support.
Stephen Hemminger (14):
vmbus: use kernel bitops for traversing interrupt mask
vmbus: drop
2017 Feb 01
15
[PATCH 00/14] hyperv: vmbus related patches
This is a rebase/resend of earlier patches. I skipped the pure
cosmetic patches for now. Mostly this is consolidation earlier
changes, removing dead code etc. The important part is the
change for allowing a vmbus channel to get callback directly
in interrupt mode; this is necessary for NAPI support.
Stephen Hemminger (14):
vmbus: use kernel bitops for traversing interrupt mask
vmbus: drop