Text this: Effectiveness study of a new type of control chart for process quality control : the synthetic control chart

 _    _    __   __    ______   _    _    _____    
| |  | ||  \ \\/ //  /_   _// | || | || |  __ \\  
| |/\| ||   \ ` //   `-| |,-  | || | || | |  \ || 
|  /\  ||    | ||      | ||   | \\_/ || | |__/ || 
|_// \_||    |_||      |_||    \____//  |_____//  
`-`   `-`    `-`'      `-`'     `---`    -----`