On 29.02.2012 15:19, Jason Love wrote:
Dear R users,
I'm a newbie for R and want to ask some basic questions.
So, after I open the R software, I typed library(DAAG). Then, I get massive
warning messages as shown below.
Why does it happen?
Also, here are few specific questions regarding each message.
1) Loading required package: MASS -> Does this mean that the MASS package
is not included in DAAG?
Yes.
2) Attaching package: 'survival' ->Does this also mean that the package
'survival' is attached because it is not included in DAAG?
Yes.
3) Why are so many objects masked even after I open up the fresh R and
type library (DAAG) first time?
Because you loaded lots of packages and you have, e.g., a fossilfuel in
your workspace and another object with the same name is in the package.
Next, DAAG is masking some objects from the other packages. Since we
have NAMESPACES nowadays, it is not too serious to mask objects unless
you want to use them directly (and the information is given to notify
you about that).
Uwe Ligges
Any help would be appreciated,
Jason
library(DAAG)
Loading required package: MASS
Loading required package: rpart
Loading required package: randomForest
randomForest 4.6-6
Type rfNews() to see new features/changes/bug fixes.
Loading required package: boot
Loading required package: survival
Loading required package: splines
Attaching package: ‘survival’
The following object(s) are masked from ‘package:boot’:
aml
Attaching package: ‘DAAG’
The following object(s) are masked _by_ ‘.GlobalEnv’:
fossilfuel
The following object(s) are masked from ‘package:survival’:
lung
The following object(s) are masked from ‘package:MASS’:
hills
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