Operatory logiczne

Intermediate R

Filip Schouwenaars

DataCamp Instructor

Operatory logiczne

  • Operator AND &
  • Operator OR |
  • Operator NOT !
Intermediate R

Operator AND "&"

TRUE & TRUE

TRUE

FALSE & TRUE

FALSE

TRUE & FALSE

FALSE

FALSE & FALSE

FALSE
Intermediate R

Operator AND "&"

x <- 12
x > 5 & x < 15

TRUE

x <- 17
x > 5 & x < 15

FALSE
Intermediate R

Operator OR "|"

TRUE | TRUE

TRUE

TRUE | FALSE

TRUE

FALSE | TRUE

TRUE

FALSE | FALSE

FALSE
Intermediate R

Operator OR "|"

y <- 4
y < 5 | y > 15

TRUE

y <- 14
y < 5 | y > 15

FALSE
Intermediate R

Operator NOT "!"

!TRUE

FALSE

!FALSE

TRUE

!(x < 5)

x >= 5
Intermediate R

Operator NOT "!"

is.numeric(5)

TRUE

!is.numeric(5)

FALSE

is.numeric("hello")

FALSE

!is.numeric("hello")

TRUE
Intermediate R

Operatory logiczne a wektory

c(TRUE, TRUE, FALSE) & c(TRUE, FALSE, FALSE)

TRUE FALSE FALSE

c(TRUE, TRUE, FALSE) | c(TRUE, FALSE, FALSE)

TRUE  TRUE FALSE

!c(TRUE, TRUE, FALSE)

FALSE FALSE  TRUE
Intermediate R

"&" vs "&&", "|" vs "||"

c(TRUE, TRUE, FALSE) & c(TRUE, FALSE, FALSE)

TRUE FALSE FALSE

c(TRUE, TRUE, FALSE) && c(TRUE, FALSE, FALSE)

TRUE
Intermediate R

"&" vs "&&", "|" vs "||"

c(TRUE, TRUE, FALSE) | c(TRUE, FALSE, FALSE)

TRUE  TRUE FALSE

c(TRUE, TRUE, FALSE) || c(TRUE, FALSE, FALSE)

TRUE
Intermediate R

Czas na ćwiczenia!

Intermediate R

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