search for: complicates

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2017 Jun 29
2
Change Rcode for a meta-analysis(netmeta) to use a random effects model instead of a mixed effects model
Hello, I am writing a meta-analysis on the complication and reoperation rates after 5 treatment modalities of a distal radius fracture. I have a code to compare the complication and reoperation rates. Currently it is using a mixed effects model. Is it possible to change the code so a random effects model is used? Thank you very much, Jay R code library(meta) library(readxl) All <-
2017 Jun 26
3
Model studies in one analysis using treatment as a five level moderator in a meta-regression
Hello, I am medical student, writing a meta-analysis on complication and reoperation rates after the five most common treatments of distal radius fractures. I have been busy with the statistics for months by my self, but find it quite hard since our classes were very basic. Now I want to compare the treatment modalities to see if there are significant differences. Using R I was able to
2017 Jun 29
0
Change Rcode for a meta-analysis(netmeta) to use a random effects model instead of a mixed effects model
The code in your mail in a mangled mess, since you posted in HTML. Please configure your email client to send emails in plain text. Could you explain what exactly you mean by "Currently it is using a mixed effects model. Is it possible to change the code so a random effects model is used?" Best, Wolfgang >-----Original Message----- >From: R-help [mailto:r-help-bounces at
2017 Jun 26
0
Model studies in one analysis using treatment as a five level moderator in a meta-regression
hi Jay, Consult a local statistician. Statistics is not you think is (namely simple computations, R and probably plotting..). regards, vito Jay Zola <jayjay.1988 at hotmail.nl> ha scritto: > Hello, > > > I am medical student, writing a meta-analysis on complication and > reoperation rates after the five most common treatments of distal > radius fractures. I have
2017 Jun 26
1
Model studies in one analysis using treatment as a five level moderator in a meta-regression
Dear Vito, Thank you for your reply. I tried to contact the statistics departement numerous times, but did not receive any reply. That is why I started to look on the internet for help. Yours sincerely, Jay Verstuurd vanaf mijn iPhone > Op 26 jun. 2017 om 22:05 heeft Vito Michele Rosario Muggeo <vito.muggeo at unipa.it> het volgende geschreven: > > hi Jay, > Consult a local
2010 Mar 13
2
Two questions, first about contingency tables, and second about table () and data.frame (), from a visually impaired user.
Hi all, I want to make a contingency table in R. I want to tabulate two variables, one as the independent and second as the dependent variable. The IV has two categories, namely, birth complications, and no birth complications. The frequency of birth complication category is fifty, and the frequency of no birth complication category is 34. The categories and frequencies of DV follows.
2013 Feb 23
5
Selecting First Incidence from Longitudinal Data
I have a longitudinal competing risk data of the form: ID COMPL SEX HEREDITY 1 0 1 2 1 0 1 2 1 3 1 2 2 0 0 1 2 1 0 1 2 2 0 1 2 2 0 1 3 0 0 1 3 0 0 1 3 0 0 1 3 0 0 1 3 2 0 1 4 0 1 2 4 0 1
2011 Nov 06
2
how to use quadrature to integrate some complicated functions
Hello to all, I am having trouble with intregrating a complicated uni-dimensional function of the following form Phi(x-a_1)*Phi(x-a_2)*...*Phi(x-a_{n-1})*phi(x-a_n). Here n is about 5000, Phi is the cumulative distribution function of standard normal, phi is the density function of standard normal, and x ranges over (-infty,infty). My idea is to to use quadrature to handle this integral. But
2003 Oct 28
1
setting up complicated ANOVA in R
Hello. I am about to do a rather complicated analysis and am not sure how to do it. The experiment has a split-plot design and also repeated measures. Both of these complications require one to define an error term and it seems that one cannot specify two such terms. The split-plot command is: aov(y~covariates +A*B+Error(C), data=) where A and B are the fixed effects and C is the
2014 Apr 10
2
ControlPlayback can not replay complicated file names
If not sure if I am looking at a bug or expected behaviour as I do not see anything in the documentation. ControlPlayback can not replay complicated file names For example it can replay 1005 but it can not replay 1005-2014-04-08_23:58:17 Playback can replay 1005-2014-04-08_23:58:17 I suspect this relates to how the variables are parsed and parameters set. Does anyone have any further
2017 Jun 23
0
Comparing pooled proportions(complication and reoperation rates) of different treatment modalities
> On Jun 23, 2017, at 5:53 AM, Jay Zola <jayjay.1988 at hotmail.nl> wrote: > > Dear sir/madame, > > > I am currently writing a meta-analysis on the complication and reoperation rates of 5 different treatment modalities after a distal radius fracture. I was able to pool the rates of the 5 different rates using R. Now I have to compare the pooled rates of the 4 treatment
2017 Jun 23
5
Comparing pooled proportions(complication and reoperation rates) of different treatment modalities
Dear sir/madame, I am currently writing a meta-analysis on the complication and reoperation rates of 5 different treatment modalities after a distal radius fracture. I was able to pool the rates of the 5 different rates using R. Now I have to compare the pooled rates of the 4 treatment modalities with the golden standard separately. I though the chi squared test would be the best method. How do
2012 Dec 14
2
How can I read the following complicated table
Hello, I have a table (in a txt file) which look like this: Monday 12 78 89 Tuesday 34 44 67 Wednesday 78 98 2 Thursday 34 55 4 Then the table repeats Monday , Tuesday, ... followed by several numbers My goal is to read values after the table. My problem is a little more complicated, but I just present a simpler case for ease of illustration. Is there any way to ask R to "read
2009 Jul 23
1
Non-negative solutions to complicated equations
Hi all, I have a system of 3 equations with many defined parameters and 3 variables I need to find solutions to. I actually know the solutions I'm aiming for (0.07,0.287,0.0061) but R tends to give me (0,0,0). I tried the "BB" package but don't really follow how to refine my solutions from that; these are wrong so far. Here's my code from trying that: > f<-function(x){
2012 Jul 01
1
Batch file rename basing on a look up table need help_New to R_A little bit complicated
Hello, all I'm pretty new to R and I wish to accomplish the following task I have many files need to do this task. I simplify the situation to five files. Their names are 001 232 242 123 132 I'd like to change the name of each file (column 1) to the name in column 2 in the following table column1 column2 001 ewr 232 eda 242 gdg 123
2007 Sep 22
0
[LLVMdev] APFloat storage complications
APFloat is derived from C code using fixed width storage for the matntissa. When converting to C++ I changed it to variable- width storage for space efficiency and generality reasons. Unfortunately this leads to a complication during float->float conversions that I missed that isn't present when using fixed width storage. Dale - I think this solves the issue correctly whilst preserving
2017 Jun 23
0
Comparing pooled proportions(complication and reoperation rates) of different treatment modalities
1. You neglected to cc r-help! 2. Word files are **not** text files. -- Bert Bert Gunter "The trouble with having an open mind is that people keep coming along and sticking things into it." -- Opus (aka Berkeley Breathed in his "Bloom County" comic strip ) On Fri, Jun 23, 2017 at 12:23 PM, Jay Zola <jayjay.1988 at hotmail.nl> wrote: > Dear sir, > > >
2015 Feb 24
4
[LLVMdev] [RFC] Raise minimum required CMake version to 3.0
On 24.02.2015 17:45, Tobias Grosser wrote: > On 09.02.2015 20:12, Chris Bieneman wrote: >> It came up on another thread that our current minimum required CMake >> version 2.8.8, has some bugs that cause issues when building with MSVC >> + Ninja, and one potential solution was to raise the minimum required >> version of CMake. >> >> CMake 3.0 is now 6 months
2009 Nov 13
5
Help with complicated regular expression
Colleagues, I am using R (2.9.2, all platforms) to search for a complicated text string using regular expressions. I would appreciate any help you can provide. The string consists of the following elements: SOMEWORDWITHNOSPACES any number of spaces and/or tabs ( any number of spaces and/or tabs integer any number of spaces and/or tabs ) Examples include: WORD ( 123 ) WORD(1 )
2009 Jan 22
1
Accessing a c-level complicated structure from R
Hello, R-devel seems to be the appropriated list for what I'm to ask: soory if I'm wrong. I am a c newbie but nevertheless I am trying to 'couple' an extern c software with R. The compiled library is actually a stand-alone c program, which uses text file for input and output. It uses *lots* of differents and (to me) rather complicated and nested "struct"s to represent