我正在构建一个带有泊松分布误差的广义线性混合效应模型。我使用lme4包中的glmer()解决了这个问题,但意识到我的模型过于分散,需要走负二项回归路线。根据本教程(非常有用):
http://depts.washington.edu/cshrb/newweb/stats%20documents/Longitudinal%20count%20regression%20REVISION2%20FINAL%20(15%20June%202012).pdf
根据本教程,我可以使用两个包来做负二项GLMM: gamlss.mx,而glmmADMB的问题是,我甚至不能加载这些包。对于gamlss.mx,我似乎可以安装它,但之后它就无法加载了。R表示包不存在(或者不在我所说的位置?)。它的命名会不会有问题(它叫做gamlss.mx,但R似乎试图加载gamlss,但却找不到它?)
> utils:::menuInstallPkgs()
--- Please select a CRAN mirror for use in this session ---
Warning: dependency ‘gamlss’ is not available
trying URL 'http://probability.ca/cran/bin/windows/contrib/2.12/gamlss.mx_4.0-4.zip'
Content type 'application/zip' length 53000 bytes (51 Kb)
opened URL
downloaded 51 Kb
package 'gamlss.mx' successfully unpacked and MD5 sums checked
The downloaded packages are in
C:\Users\Mata\AppData\Local\Temp\Rtmp6SfELM\downloaded_packages
> local({pkg <- select.list(sort(.packages(all.available = TRUE)),graphics=TRUE)
+ if(nchar(pkg)) library(pkg, character.only=TRUE)})
Loading required package: gamlss
Error: package 'gamlss' could not be loaded
In addition: Warning messages:
1: package 'gamlss.mx' was built under R version 2.12.2
2: In library(pkg, character.only = TRUE, logical.return = TRUE, lib.loc = lib.loc) :
there is no package called 'gamlss'发布于 2013-04-28 17:46:05
似乎包gamlss-mx包依赖于gamlss包,而这个包并没有安装在您的机器上。安装此程序可以解决此问题
https://stackoverflow.com/questions/16260609
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