Output - Aster Analytics

As explained in the description of the Intercept argument, the formula for computing the scaled value X' from the input value X when intercept is -min is:

X' = - scaledmin + 1 * (X - location)/scale

The formula for computing scaledmin when intercept is -min is:

scaledmin = (minX - location)/scale

For example, consider row 1 of the price column in the input table (Input) and the following output table:

• Input value X = 42000
• Minimum input price value minX = 42000
• Maximum input price value maxX = 88500
• location = (88500+42000)/2 = 65250
• scale = (88500-42000)/2 = 23250
• scaledmin = (42000 - 65250)/23250 = -1
• Scaled output value X' = -(-1) + 1 * (42000 - 65250)/23250 = 0