R: Yield and sugar percentage in sugar beets from a split plot...
beets
R Documentation
Yield and sugar percentage in sugar beets from a split plot experiment.
Description
Data is obtained from a split plot experiment. There are 3 blocks and
in each of these the harvest time defines the "whole plot" and the
sowing time defines the "split plot". Each plot was 25 m^2 and
the yield is recorded in kg. See 'details' for the experimental layout.
Usage
data(beets)
Format
The format is:
chr "beets"
Details
Experimental plan
Sowing times 1 4. april
2 12. april
3 21. april
4 29. april
5 18. may
Harvest times 1 2. october
2 21. october
Plot allocation:
Block 1 Block 2 Block 3
+-----------|-----------|-----------+
Plot | 1 1 1 1 1 | 2 2 2 2 2 | 1 1 1 1 1 | Harvest time
1-15 | 3 4 5 2 1 | 3 2 4 5 1 | 5 2 3 4 1 | Sowing time
|-----------|-----------|-----------|
Plot | 2 2 2 2 2 | 1 1 1 1 1 | 2 2 2 2 2 | Harvest time
16-30 | 2 1 5 4 3 | 4 1 3 2 5 | 1 4 3 2 5 | Sowing time
+-----------|-----------|-----------+