The Iowa Wheat Yield Data

Description

The data gives the pre-season and three growing months' precipitation, the mean temperatures for the three growing months and harvest month, the year, and the yield of wheat for the USA state of Iowa, for the years 1930�.

Value

The data frame has the following components:
Year Year of measurements
Rain0 Pre-season rainfall
Temp1 Mean temperature for first growing month
Rain1 Rainfall for first growing month
Temp2 Mean temperature for second growing month
Rain2 Rainfall for first growing month
Temp3 Mean temperature for third growing month
Rain3 Rainfall for first growing month
Temp4 Mean temperature for harvest month
Yield Yield of wheat in Iowa for given year

CATEGORY

Multiple regression; diagnostics.

Source

CAED Report, 1964. Quoted in Draper & Smith.


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