required to be done, achieved, or present

Operators play a pivotal role in R programming, allowing for a wide range of operations from basic arithmetic to complex logical evaluations. Mar 13, 2025 ... The logical OR ( || ) (logical disjunction) operator for a set of operands is true if and only if one or more of its operands is true. Jan 5, 2015 ... There are lot of ways to use grep with logical operators. Using multiple -e options matches anything that matches any of the patterns, giving the OR operation. Jun 9, 2019 ... It would be good to have support for logical operators (and, or, not) in selectors. Scenario: Currently: two separate element exists actions are required. Aug 8, 2019 ... The highest precedence belongs to not, followed by and, and finally by or. Like other operations, grouping takes precedence, so we must evaluate bracketed ... All logical operators interpret the operands logically and return True (-1) or False (0) as result. Logical operators. Operator, Description. not, Logical ... Arithmetic Operators · Boolean Operators · Bitwise Operators · Updating operators · Vectorized "dot" operators · Numeric Comparisons · Operator Precedence and ... Logical Operators: AND, OR, and NOT · The AND operator returns false if the other operand returns false; otherwise, it returns NULL. · The OR operator returns ... Prefer using a logical operator over a ternary. This rule is enabled in the ✓ recommended config. This rule is manually fixable by editor suggestions. Nov 9, 2009 ... I prefer to use not instead of ! because it's a lot more readable: if (not condition()) { } versus if (!condition()) { } The ! kind of gets lost in there.