It is generally believed that a sigmoidal model is good for describing growth of plant height. In the present data set we have growth records for two varieties of sorghum- a cereal crop in western India. It is of interest to check if the model parameters for two varieties are equal.
A data frame with 22 observations on the following 3 variables.
Age (days from sowing)
Plant Height (Variety 1)
Plant Height (Variety 2)
Non-linear regression and LR-test need to performed for this data set.
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