allshoots: Apple shoots data

In alr4: Data to Accompany Applied Linear Regression 4th Edition

Description

Bland's Apple Shoot data. allshoots includes all the data, shortshoots just the short shoot data, and longshoots includes long shoots only.

Format

This data frame contains the following columns:

Day

days from dormancy

n

number of shoots sampled

ybar

average number of stem units

SD

within-day standard deviation

Type

1 if long shoots, 0 if shortshoots.

Source

Bland, J. (1978). A comparisonof certain aspects of ontogeny in the long and short shoots of McIntosh apple during one annual growth cycle. Unpublished Ph. D. dissertation, University of Minnesota, St. Paul, Minnesota.

References

Weisberg, S. (2014). Applied Linear Regression, 4th edition. Hoboken NJ: Wiley.

Examples

head(longshoots)

Example output

Loading required package: car
Loading required package: carData
Loading required package: effects
lattice theme set by effectsTheme()
See ?effectsTheme for details.
  Day n ybar   SD Type
1   0 5 10.2 0.83    1
2   3 5 10.4 0.54    1
3   7 5 10.6 0.54    1
4  13 6 12.5 0.83    1
5  18 5 12.0 1.41    1
6  24 4 15.0 0.82    1

alr4 documentation built on May 2, 2019, 6:40 p.m.