[R] Value passing in print option

[David Winsemius]

On Jul 19, 2015, at 11:48 PM, Partha Sinha wrote:

> i want to pass a value with print option
> x<-10
> y<2*x
> print("Current value of y is " ) # confused dont know how to pass value
> 
> i want output as Current value of y is 10

With that code we really do not have any assurance that y is 10 (or anything for that matter), and if you meant to type y <- 2*x it would be 20, not 10.

The sprintf function is often used:

 x<-10
y <- 2*x
 sprintf("Current value of y is %d", y)
[1] "Current value of y is 20"


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David Winsemius
Alameda, CA, USA