antigua: Averages by block of yields for the Antigua Corn data

antiguaR Documentation

Averages by block of yields for the Antigua Corn data

Description

These data frames have yield averages by blocks (parcels). The ant111bdataset is a subset that has block averages of corn yields for treatment 111 only

Usage

  data(antigua)
  data(ant111b)
  

Format

A data frame with 324 observations on 7 variables.

id

a numeric vector

site

a factor with 8 levels.

block

a factor with levels I II III IV

plot

a numeric vector

trt

a factor consisting of 12 levels

ears

a numeric vector; note that -9999 is used as a missing value code.

harvwt

a numeric vector; the average yield

Source

Andrews DF; Herzberg AM, 1985. Data. A Collection of Problems from Many Fields for the Student and Research Worker. Springer-Verlag. (pp. 339-353)


DAAG documentation built on May 29, 2024, 9:13 a.m.