Potatoes: Effects of nitrogen, potasium and dung on yields of potatoes
In dengfei2013/learnasreml: The package is to help learn the asreml
Potatoes R Documentation
Effects of nitrogen, potasium and dung on yields of potatoes
Description
The Potatoes dataset contains data from an experiment that used a randomized-block design to study the effects of nitrogen (N), potassium (K) and dung (D) on the yield of a potato crop. The blocks each had only four plots. So the N:K:D interaction was confounded in blocks 1 and 2, N:K was confounded in blocks 3 and 4, N:D was confounded in blocks 5 and 6, and K:D was confounded in blocks 7 and 8. The response variable is the yield of potatoes.
Usage
Potatoes
Format
A data frame with 32 observations on the following six variables:
- Blocks
a factor specifying the blocks.
- Plots
a factor specifying plots within blocks.
- N
a factor specifying the amount of nitrogen fertiliser.
- K
a factor specifying the amount of potasium fertiliser.
- D
a factor specifying the amount of dung.
- Yield
a numerical vector recording the yields.
Source
Yates, F. (1937) Design and Analysis of Factorial Experiments, page 21; also see John, P.W.M. (1972) Statistical Design and Analysis of Experiments, page 135.
dengfei2013/learnasreml documentation built on Oct. 25, 2024, 7 a.m.
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| Potatoes | R Documentation |
Effects of nitrogen, potasium and dung on yields of potatoes
Description
The Potatoes dataset contains data from an experiment that used a randomized-block design to study the effects of nitrogen (N), potassium (K) and dung (D) on the yield of a potato crop. The blocks each had only four plots. So the N:K:D interaction was confounded in blocks 1 and 2, N:K was confounded in blocks 3 and 4, N:D was confounded in blocks 5 and 6, and K:D was confounded in blocks 7 and 8. The response variable is the yield of potatoes.
Usage
Potatoes
Format
A data frame with 32 observations on the following six variables:
- Blocks
a factor specifying the blocks.
- Plots
a factor specifying plots within blocks.
- N
a factor specifying the amount of nitrogen fertiliser.
- K
a factor specifying the amount of potasium fertiliser.
- D
a factor specifying the amount of dung.
- Yield
a numerical vector recording the yields.
Source
Yates, F. (1937) Design and Analysis of Factorial Experiments, page 21; also see John, P.W.M. (1972) Statistical Design and Analysis of Experiments, page 135.
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Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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