Description Usage Format Source Examples
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.
1 |
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).
The data were obtained from
“Binary Data” by D. Collet in Encyclopedia of Biostatistics (1998).
1 2 3 4 5 |
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
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