Changes in version 0.1.2                        

(2022-Feb-1)

  - new function draw_x2(), show_x2_table() added

                 Changes in version 0.1.1 (2022-01-28)                  

(2022-Jan-28)

  - bug-fixed in plot.meanCI() and interpret()

                        Changes in version 0.1.0                        

(2022-Jan-27)

  - New function meanCI(), propCI(), plot.meanCI() and interpret() added