subject:"\[R\] Matrix logical operator"

Re: [R] Matrix logical operator

2017-07-16 Thread Berend Hasselman

> On 17 Jul 2017, at 07:27, Jeremie Juste wrote: > > > Hello, > > I have some trouble understanding why !b &&TRUE is TRUE. Do you have an idea? > > >> b <- matrix(c(0,1,1,0,1,0),2) > >> !b > [,1] [,2] [,3] > [1,] TRUE FALSE FALSE > [2,] FALSE TRUE TRUE >> !b &&TRUE > [1] TRUE >

[R] Matrix logical operator

2017-07-16 Thread Jeremie Juste

Hello, I have some trouble understanding why !b &&TRUE is TRUE. Do you have an idea? > b <- matrix(c(0,1,1,0,1,0),2) > !b [,1] [,2] [,3] [1,] TRUE FALSE FALSE [2,] FALSE TRUE TRUE > !b &&TRUE [1] TRUE Best regards, Jeremie __ R-help@r-