Exercise

# How do people value white chocolate?

With effects coding, we can find the parameter for the left-out level as the negative sum of the parameters for the other levels of the factor. Let's compute the value of White chocolate using this rule. `choc_m7`

is still loaded.

Instructions

**100 XP**

- The coefficients for the levels of
`Type`

are in positions 5 to 8. Select these coefficients and print them to confirm. - Compute the negative sum of those coefficients. This is the coefficient for the left-out
`White`

type.