Dear all,
Can anyone help me, my R software can not run a nested linear regression by using the lme funcion. The message that appears is 
Error: could not find function "lme"
I already downloaded and loaded the package, please see below. Thank you in advance for any help! Nadia.

> data<-read.csv("/Users/nadiasan1/Desktop/MOE and MOR.csv")> attach(data)> names(data)[1] "Species" "LME"     "LMR"     "WD"     > install.packages("lme4")trying URL 'http://cran.csiro.au/bin/macosx/leopard/contrib/2.14/lme4_0.999375-42.tgz'Content type 'application/x-gzip' length 1453067 bytes (1.4 Mb)opened URL==================================================downloaded 1.4 Mb

The downloaded packages are in	/var/folders/yx/l4kkhz8j24179y5vq0hp9md00000gp/T//Rtmpqsa0o1/downloaded_packagesalso installing the dependencies ‘mlmRev’, ‘MEMSS’, ‘sfsmisc’, ‘MatrixModels’
trying URL 'http://cran.csiro.au/bin/macosx/leopard/contrib/2.14/mlmRev_1.0-1.tgz'Content type 'application/x-gzip' length 1832388 bytes (1.7 Mb)opened URL==================================================downloaded 1.7 Mb
trying URL 'http://cran.csiro.au/bin/macosx/leopard/contrib/2.14/MEMSS_0.9-0.tgz'Content type 'application/x-gzip' length 236762 bytes (231 Kb)opened URL==================================================downloaded 231 Kb
trying URL 'http://cran.csiro.au/bin/macosx/leopard/contrib/2.14/sfsmisc_1.0-19.tgz'Content type 'application/x-gzip' length 386160 bytes (377 Kb)opened URL==================================================downloaded 377 Kb
trying URL 'http://cran.csiro.au/bin/macosx/leopard/contrib/2.14/MatrixModels_0.3-1.tgz'Content type 'application/x-gzip' length 204787 bytes (199 Kb)opened URL==================================================downloaded 199 Kb
trying URL 'http://cran.csiro.au/bin/macosx/leopard/contrib/2.14/lme4_0.999375-42.tgz'Content type 'application/x-gzip' length 1453067 bytes (1.4 Mb)opened URL==================================================downloaded 1.4 Mb

The downloaded packages are in	/var/folders/yx/l4kkhz8j24179y5vq0hp9md00000gp/T//Rtmpqsa0o1/downloaded_packagesLoading required package: MatrixLoading required package: lattice
Attaching package: ‘Matrix’
The following object(s) are masked from ‘package:base’:
    det

Attaching package: ‘lme4’
The following object(s) are masked from ‘package:stats’:
    AIC, BIC
starting httpd help server ... done> model1<-lme(LME~WD, random=~1|Species, ML)Error: could not find function "lme"


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