vlda (version 1.1.5)

Depression: Depression data

Description

Data comparing two drugs to treat patients suffering from depression.

Usage

data(Depression)

Format

Case

Number of patients

Diagnosis

Classification based on the initial symptoms of depression ( 1 : Mild, 2 : Severe )

Drug

Drugs given to patients ( 1 : New, 2 : Standard )

1week

Depression symptoms 1week after taking the drug ( 1 : Abnormal, 2 : Normal )

2weeks

Depression symptoms 2weeks after taking the drug ( 1 : Abnormal, 2 : Normal )

4weeks

Depression symptoms 4weeks after taking the drug ( 1 : Abnormal, 2 : Normal )

Details

Patients in each group were randomly assigned to standard or new drugs, and the degree of each patient suffering from depression was classified as normal or abnormal after 1 week, 2 weeks, and 4 weeks of treatment. A data frame with 800 rows and 6 variables

Case	Diagnosis	Drug	1week	2weeks	4weeks
1	1	2	2	2	2
2	1	2	2	2	2
3	1	2	2	2	2
4	1	2	2	2	2
5	1	2	2	2	2
6	1	2	2	2	2
7	1	2	2	2	2
8	1	2	2	2	2
9	1	2	2	2	2
10	1	2	2	2	2
.	.	.	.	.	.
.	.	.	.	.	.
.	.	.	.	.	.
796	2	1	1	1	1
797	2	1	1	1	1
798	2	1	1	1	1
799	2	1	1	1	1
800	2	1	1	1	1

References

Koch, G. G., Landis, J. R., Freeman, J. L., Freeman, D. H. and Lehnen, R. C.(1977). A General Methodology for the Analysis of Experiments with Repeated Measurement of Categorical Data. Biometrics, 33, 133-158.