# The variable sampling interval run sum<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si1.gif" overflow="scroll"><mml:mrow><mml:mover accent="true"><mml:mrow><mml:mi>X</mml:mi></mml:mrow><mml:mrow><mml:mo stretchy="true">‾</mml:mo></mml:mrow></mml:mover></mml:mrow></mml:math>control chart

> Research article (Computers & Industrial Engineering, 2015) · cited 28× · AI/ML

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