Sorghumheight


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. 


datasets

Collection of datasets as prepared by Profs. A.P. Gore, S.A. Paranjape, and M.B. Kulkarni of Department of Statistics, Poona University, India. With their permission, first letter of their names forms the name of this package, the package has been built by me and made available for the benefit of R users. This collection requires a rich class of models and can be a very useful building block for a beginner.

Prabhanjan Tattar

100 Data Sets for Statistics Education

Sorghumheight function

A data frame with 22 observations on the following 3 variables.
  <dl>
    <dt><code>Day</code></dt><dd>Age (days from sowing)</dd> <dt><code>Ramkel</code></dt><dd>Plant Height (Variety 1)</dd> <dt><code>Saoner</code></dt><dd>Plant Height (Variety 2)</dd> </dl> 

Format

http://ces.iisc.ernet.in/hpg/nvjoshi/statspunedatabook/databook.html

Sorghumheight: Modeling sorghum plant growth

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