The effect of display on sales
To see how much of an effect the DISPLAY actions have on log(SALES) you construct a simple response model for explaining log(SALES) by DISPLAY. The log(SALES) ~ DISPLAY relation is again estimated by the function lm(). Finally, you investigate the coefficients.
यह अभ्यास पाठ्यक्रम का हिस्सा है
Building Response Models in R
अभ्यास निर्देश
- Explain
log(SALES)byDISPLAY. Use the functionlm()and assign the result to an object calleddummy.model. - Obtain the coefficients of the
dummy.modelby using the functioncoef().
इंटरैक्टिव व्यावहारिक अभ्यास
इस अभ्यास को इस नमूना कोड को पूरा करके आज़माएँ।
# Explain log(SALES) by DISPLAY
dummy.model <- ___(___, data = sales.data)
# Obtain the coefficients