wm2: Windmill data with direction information

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

Description

Windspeed data collected at a test site for a windmill, and also at a nearby long-term weather site, in Northern South Dakota. Data collected every six hours for all of 2002, except that all of the month of May and a few other observations missing.

Format

A data frame with 1116 observations on the following 5 variables.

Date

A text variable with values like "2002/1/2/6" meaning the reading at 6AM on January 2, 2002

CSpd

Windspeed in m/s at the candidate site

RSpd

Windspeed for the reference site

RDir

Wind direction, in degrees, at the reference site

Bin

Wind direction binned into 16 equal width bins

Source

Mark Ahlstrom and Rolf Miller, WindLogics, Inc.

References

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

Examples

head(wm2)

Example output

Loading required package: car
Loading required package: effects
Loading required package: carData

Attaching package: 'carData'

The following objects are masked from 'package:car':

    Guyer, UN, Vocab

lattice theme set by effectsTheme()
See ?effectsTheme for details.
         Date CSpd   RSpd   RDir Bin
1  2002/1/1/0  6.9 5.9666 309.58  13
2  2002/1/1/6  7.1 7.2176 312.76  13
3 2002/1/1/12  7.8 7.9405 328.92  14
4 2002/1/1/18  6.9 6.0174 338.56  15
5  2002/1/2/0  5.5 6.1646 346.89  15
6  2002/1/2/6  3.1 1.7687 312.80  13

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