airway: Airway Data

In cond: Approximate Conditional Inference for Logistic and Loglinear Models

Description

The airway data frame has 35 rows and 6 columns.

Study to compare two devices (tracheal tube and laryngeal mask) used to secure airway in patients undergoing surgery. The response variable is the presence of a sore throat. Further information on age, sex, use of a lubricant, and duration of the surgery is available.

Usage

data(airway)

Format

This data frame contains the following columns:

response

an indicator variable for sore throat (1=yes, 0=no);

type

the type of airway used (1=tracheal tube, 0=laryngeal mask);

age

the age of the patient (in years);

sex

an indicator variable for sex (1=male, 0=female);

lubricant

an indicator variable for lubricant use (1=yes, 0=no);

duration

the duration of the surgery (in minutes).

Source

The data were obtained from

“Binary Data” by D. Collet in Encyclopedia of Biostatistics (1998).

Examples

data(airway)
summary(airway)
par(mfrow=c(1,2))
plot(age ~ response, data = airway)
plot(duration ~ response, data = airway)

Example output

Loading required package: statmod
Loading required package: survival

   Package "cond" 1.2-3 (2014-06-27) 
    Copyright (C) 2000-2014 A. R. Brazzale

 This is free software, and you are welcome to redistribute
 it and/or modify it under the terms of the GNU General
 Public License published by the Free Software Foundation.
 Package "cond" comes with ABSOLUTELY NO WARRANTY.

 type `help(package="cond")' for summary information

 response      age        sex    lubricant    duration      type  
 0:13     Min.   :18.00   0:16   0:16      Min.   : 15.00   0:18  
 1:22     1st Qu.:34.50   1:19   1:19      1st Qu.: 25.00   1:17  
          Median :45.00                    Median : 40.00         
          Mean   :44.54                    Mean   : 45.97         
          3rd Qu.:57.50                    3rd Qu.: 63.00         
          Max.   :67.00                    Max.   :135.00         

cond documentation built on May 2, 2019, 6:45 a.m.