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

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Text this: Economic design of exponential chart for monitoring time-between-event data under random process shift