prodscore


Soil productivity scores for farms in townships in four counties in the 
Minneapolis St. Paul metropolitan area, 1981-82.  The goal is to see if 
the productivity score is a good predictor of the assessed value of the 
farmland.  If so, then productivity score could be used to set assesed value
for farms enrolled in the ``green acres'' program that requires that urban
farmland be taxed at its agricultural value only without regard to
development potential.


datasets

This package is a companion to the textbook S. Weisberg (2014),
"Applied Linear Regression," 4rd edition, Wiley. It includes all the
data sets discussed in the book and one function to access the textbook's
website.
This package depends on the car package.  Many data files in this package
are included in the alr3 package as well, so only one of them should be
loaded.

Sanford Weisberg

alr4

Data to accompany Applied Linear Regression 4rd edition

prodscore function

This data frame contains the following columns:
 <dl>
    <dt>County</dt><dd>
 Name of the county
    </dd> <dt>Value</dt><dd>
Assessed value in dollars per acre.
    </dd> <dt>P</dt><dd>
Productivity score, a number between 1 and 100. 
    </dd> <dt>Year</dt><dd>
Tax year, either 1981 or 1982. 
    </dd> </dl> 

prodscore: Soil productivity

Description

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Examples