error

measured quantity value minus a reference quantity value

Difference between a computed, observed, or measured value or condition and the true, specified, or theoretically correct value or condition.

The difference between the observed value of an index and its “true” value. Errors maybe random or systematic. Random errors are generally referred to as “errors”. Systematic errors are called “biases”.

a wrong action attributable to bad judgment or ignorance or inattention

(baseball) a failure of a defensive player to make an out when normal play would have sufficed

inadvertent incorrectness

departure from what is ethically acceptable

a misconception resulting from incorrect information

part of a statement that is not correct

(computer science) the occurrence of an incorrect result produced by a computer