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setting_attributes.R
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| #get a sample data set | |
| boo <- iris | |
| #it's a data.frame | |
| str(boo) | |
| #set some attributes | |
| attributes( boo )$source <- "r datasets package: iris" | |
| attributes( boo )$foo <- c(1,2,3,4,5) | |
| #see all attributes | |
| attributes(boo) | |
| #see select attribute | |
| attr( boo, "foo" ) | |
| attributes( boo )$foo | |
| #it's still a normal data.frame | |
| head(boo) |
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