| % File src/library/datasets/man/attitude.Rd |
| % Part of the R package, https://www.R-project.org |
| % Copyright 1995-2013 R Core Team |
| % Distributed under GPL 2 or later |
| |
| \name{attitude} |
| \docType{data} |
| \alias{attitude} |
| \title{The Chatterjee--Price Attitude Data} |
| \description{ |
| From a survey of the clerical employees of a large financial |
| organization, the data are aggregated from the questionnaires of the |
| approximately 35 employees for each of 30 (randomly selected) |
| departments. The numbers give the percent proportion of favourable |
| responses to seven questions in each department.} |
| \usage{attitude} |
| \format{ |
| A data frame with 30 observations on 7 variables. The first column are |
| the short names from the reference, the second one the variable names |
| in the data frame: |
| \tabular{rlll}{ |
| Y \tab rating \tab numeric \tab Overall rating \cr |
| X[1] \tab complaints\tab numeric \tab Handling of employee complaints \cr |
| X[2] \tab privileges\tab numeric \tab Does not allow special privileges \cr |
| X[3] \tab learning \tab numeric \tab Opportunity to learn \cr |
| X[4] \tab raises \tab numeric \tab Raises based on performance \cr |
| X[5] \tab critical \tab numeric \tab Too critical \cr |
| X[6] \tab advancel \tab numeric \tab Advancement} |
| } |
| \source{ |
| Chatterjee, S. and Price, B. (1977) |
| \emph{Regression Analysis by Example}. |
| New York: Wiley. |
| (Section 3.7, p.68ff of 2nd ed.(1991).) |
| } |
| \examples{ |
| require(stats); require(graphics) |
| pairs(attitude, main = "attitude data") |
| summary(attitude) |
| summary(fm1 <- lm(rating ~ ., data = attitude)) |
| opar <- par(mfrow = c(2, 2), oma = c(0, 0, 1.1, 0), |
| mar = c(4.1, 4.1, 2.1, 1.1)) |
| plot(fm1) |
| summary(fm2 <- lm(rating ~ complaints, data = attitude)) |
| plot(fm2) |
| par(opar) |
| } |
| \keyword{datasets} |