[R] How can I avoid the warning messages when calling DAAG package?

[Uwe Ligges]

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
>
> 	[[alternative HTML version deleted]]
>
>
>
>
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