get_middle_position: find the coordinated to center the responses in a center plot
Description
find the coordinated to center the responses in a center plot
Usage
get_middle_position(middle_pos, levels, start_values, end_values)
Arguments
middle_pos
a number corresponding to the location at which to center the plot
levels
the used response levels
start_values
the y start values
end_values
the y end values