Hi,
library(MASS)
Couldn't find the function ?mycov.rob()
mycov.rob(mtcars[,1:3],method="mcd")
#Error: could not find function "mycov.rob"
??mycov.rob
No vignettes or demos or help files found with alias or concept or
title matching ‘mycov.rob’ using regular expression matching.
Though,
cov.rob(mtcars[,1:3],method="mcd")
$center
mpg cyl disp
18.528571 6.380952 225.295238
$cov
mpg cyl disp
mpg 10.676143 -4.901429 -248.3544
cyl -4.901429 2.647619 127.3619
disp -248.354357 127.361905 7469.5075
$msg
[1] "106 singular samples of size 4 out of 2000"
$crit
[1] 7.701039
$best
[1] 1 2 3 6 7 10 11 12 13 14 21 22 23 24 29 30 31 32
$n.obs
[1] 32
sessionInfo()
R version 3.0.1 (2013-05-16)
Platform: x86_64-unknown-linux-gnu (64-bit)
locale:
[1] LC_CTYPE=en_CA.UTF-8 LC_NUMERIC=C
[3] LC_TIME=en_CA.UTF-8 LC_COLLATE=en_CA.UTF-8
[5] LC_MONETARY=en_CA.UTF-8 LC_MESSAGES=en_CA.UTF-8
[7] LC_PAPER=C LC_NAME=C
[9] LC_ADDRESS=C LC_TELEPHONE=C
[11] LC_MEASUREMENT=en_CA.UTF-8 LC_IDENTIFICATION=C
attached base packages:
[1] grid stats graphics grDevices utils datasets methods
[8] base
other attached packages:
[1] zoo_1.7-10 rlme_0.2 quantreg_5.02 SparseM_1.03
[5] MASS_7.3-28 lattice_0.20-15 stringr_0.6.2 reshape2_1.2.2
loaded via a namespace (and not attached):
[1] magic_1.5-4 Matrix_1.0-12 mgcv_1.7-24 nlme_3.1-110 plyr_1.8
[6] tcltk_3.0.1 tools_3.0.1
A.K.
----- Original Message -----
From: Charlie Brown <charliethebrow...@gmail.com>
To: "r-help@r-project.org" <r-help@r-project.org>
Cc:
Sent: Monday, September 16, 2013 2:05 PM
Subject: [R] MASS mve_fits mycov.rob
Hello,
In R 3.0.1, I get the following warning that I do not get in R 2.15.3:
data(mtcars)
mycov.rob(mtcars[,1:3], method="mcd")
Error in .C("mve_fitlots", as.double(x), as.integer(n), as.integer(p), :
"mve_fitlots" not available for .C() for package "MASS"
It seems like there was a change in MASS? Can someone please help me
determine how to to use mycov.rob(x, method="mcd") in R 3.0.1 (I am
guessing that this includes anything that uses mve_fitlots...
Thanks.
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______________________________________________
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PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
