data_weeks2 {connected} | R Documentation |
Data from Weeks & Williams example 2
Description
Data from Weeks & Williams example 2
Usage
data_weeks2
Format
An object of class data.frame
with 62 rows and 3 columns.
Details
A dataframe with 3 treatment factors. The treatment combinations form 4 disconnected groups.
Note: This data is based on Table 3 of Weeks & Williams. The groups defined in the text are missing some combinations.
Source
Weeks, David L. & Donald R. Williams (1964). A Note on the Determination of Connectedness in an N-Way Cross Classification. Technometrics, 6:3, 319-324. Table 3. http://dx.doi.org/10.1080/00401706.1964.10490188
Examples
library(lfe)
cbind(data_weeks2,
.group=con_check(data_weeks2, ~f1 + f2 + f3))
[Package connected version 1.1 Index]