CODEWITHSUNDEEP
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Lily
Lily

Reputation: 637

Mask output of `The following objects are masked from....:` after calling attach() function

I wonder if there is a way to mask the long list output of The following objects are masked from XXX(position 11): every time I call attach() function?

Upvotes: 22

Views: 125803

Answers (5)

ANIL KUMAR VERMA
ANIL KUMAR VERMA

Reputation: 1

keep using detach(dataframe) multiple times till it returns "object not found" answer and then the masking response will go away

Upvotes: 0

DWR447
DWR447

Reputation: 51

It may be "better" to not use attach at all. On the plus side, you can save some typing if you use attach. Let's say your dataset is called mydata and you have variables called v1, v2, and v3. If you don't attach mydata, then you will type mean(mydata$v1) to get the mean of v1. If you do attach mydata, then you will type mean(v1) to get the mean of v1. But, if you don't detach the mydata dataset (every time), you'll get the message about the objects being masked going forward.

Solution 1 (assuming you want to attach):

  1. Use detach every time.
  2. See Dan Tarr's response if you already have the data attached (and it may be in the global environment several times). Then, in the future, use detach every time.

Solution 2

Don't use attach. Instead, include the dataset name every time you refer to a variable. The form is mydata$v1 (name of data set, dollar sign, name of variable).

As for me, I used solution 1 a lot in the past, but I've moved to solution 2. It's a bit more typing in the beginning, but if you are going to use the code multiple times, it just seems cleaner.

Upvotes: 5

MikeIV
MikeIV

Reputation: 29

You actually don't need to use the attach at all. I had the same problem and it was resolved by removing the attach statement.

Upvotes: -1

Dan Tarr
Dan Tarr

Reputation: 219

If you look at the down arrow in environment tab. The attached file can appear multiple times. You may need to highlight and run detach(filename) several times until all cases are gone then attach(newfilename) should have no output message.

attached files under environment tab

Upvotes: 8

topchef
topchef

Reputation: 19783

You use attach without detach - every time you do it new call to attach masks objects attached before (they contain the same names). Either use detach or do not use attach at all. Nice discussion and tips are here.

Upvotes: 32

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