R help - Mar 2007 - substitute variable

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say your data frame is called "tmp"

tmp$PRODUCTS[tmp$PRODUCTS > 70] <- NA

b

On Mar 26, 2007, at 12:31 PM, Sergio Della Franca wrote:
> Dear R-Helpers,
>
> I want to substitute the contents of a variable under some contitions.
>
> I.e., I have this data set:
>
> YEAR   PRODUCTS
> 1          80
> 2          90
> 3          50
> 4          60
> 5          30
>
> I want to perform this condition:
> if products> 70 then products=NA else products=products.
>
> I'd like to achive the seguent result:
>
>  YEAR   PRODUCTS
> 1          NA
> 2          NA
> 3          50
> 4          60
> 5          30
> How can i develop this?
>
>
> Thank you in advance.
>
>
> Sergio Della Franca
>
> 	[[alternative HTML version deleted]]
>
> ______________________________________________
> R-help at stat.math.ethz.ch mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide http://www.R-project.org/posting- 
> guide.html
> and provide commented, minimal, self-contained, reproducible code.

If you data frame is called 'df'

df$PRODUCTS[df$PRODUCTS > 70] <- NA

-- 
Henrique Dallazuanna
Curitiba-Paraná-Brasil
25° 25' 40" S 49° 16' 22"
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On 26/03/07, Sergio Della Franca <sergio.della.franca@gmail.com>
wrote:
>
> Dear R-Helpers,
>
> I want to substitute the contents of a variable under some contitions.
>
> I.e., I have this data set:
>
> YEAR   PRODUCTS
> 1          80
> 2          90
> 3          50
> 4          60
> 5          30
>
> I want to perform this condition:
> if products> 70 then products=NA else products=products.
>
> I'd like to achive the seguent result:
>
> YEAR   PRODUCTS
> 1          NA
> 2          NA
> 3          50
> 4          60
> 5          30
> How can i develop this?
>
>
> Thank you in advance.
>
>
> Sergio Della Franca
>
>         [[alternative HTML version deleted]]
>
> ______________________________________________
> R-help@stat.math.ethz.ch mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>
	[[alternative HTML version deleted]]

? stato filtrato un testo allegato il cui set di caratteri non era
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