or in r在PTT/mobile01評價與討論，在ptt社群跟網路上大家這樣說

or in r在The Ultimate Guide to Logical Operators in R | by Linda Ngo

The AND operator takes two logical values and returns TRUE only if both values are TRUE themselves. This means that TRUE & TRUE evaluates to TRUE , but that ...

or in r在Logical Operators - R

& and && indicate logical AND and | and || indicate logical OR. The shorter form performs elementwise comparisons in much the same way as arithmetic operators.

or in r在邏輯判斷式· R Basic

==、!=：等於、不等於。 A %in% B：A 是否在B 中。 &&、＆:交集，& 適用於向量式的邏輯判斷，&& ...

or in r在R - Operators - Tutorialspoint

R - Operators, An operator is a symbol that tells the compiler to perform specific mathematical or logical manipulations. R language is rich in built-in ...

or in r在R Operators: Arithmetic, Relational, Logical and More

R Logical Operators ... Logical operators are used to carry out Boolean operations like AND , OR etc. ... Operators & and | perform element-wise operation producing ...

or in r在

or in r在Logical Operators - R

In earlier R versions, isTRUE <- function(x) identical(x, TRUE) , had the drawback to be false e.g., for x <- c(val = TRUE) . Numeric and complex vectors ...

or in r在Operators - Quick-R

Learn how to use arithmetic and logical operators in R. These binary operators work on vectors, matrices, and scalars.

or in r在OR in R: How to Use OR Operator in R - R-Lang

The OR Operator in R is a logical operator that returns TRUE if one of the conditions is TRUE. If both conditions are FALSE, then it will return FALSE. This means that TRUE | TRUE equals TRUE, but TRUE | FALSE and FALSE | TRUE returns to TRUE.