發送短信 : Which quantile is the most informative? Markov switching quantile model with unknown quantile level

   _____     ___    __    __     ___              
  / ___//   / _ \\  \ \\ / //   / _ \\    ____    
  \___ \\  | / \ ||  \ \/ //   | / \ ||  |    \\  
  /    //  | \_/ ||   \  //    | \_/ ||  | [] ||  
 /____//    \___//     \//      \___//   |  __//  
`-----`     `---`       `       `---`    |_|`-`   
                                         `-`