A simulated data set containing observations of 100 individuals at four time points. The data was simulated in two groups (50 individuals each) and contains two questionnaires with five items each, one questionnaire with five continuous variables and one additional cross-sectional continuous variable. In this data set the group variable from the simulation is included. You typically don't have this group variable in your data.

## Usage

fake_questionnaire_data

## Format

A data frame with 400 rows and 20 variables:

ID

patient ID

visit

time point of the observation

group

to which simulated group the observation belongs to

age_visit_1

age of the patient at time point 1

single_continuous_variable

a cross-sectional continuous variable, i.e. there is only one unique value per individual

questionnaire_A_1

the first item of questionnaire A with categories 1 to 5

questionnaire_A_2

the second item of questionnaire A with categories 1 to 5

questionnaire_A_3

the third item of questionnaire A with categories 1 to 5

questionnaire_A_4

the fourth item of questionnaire A with categories 1 to 5

questionnaire_A_5

the fifth item of questionnaire A with categories 1 to 5

questionnaire_B_1

the first item of questionnaire B with categories 1 to 5

questionnaire_B_2

the second item of questionnaire B with categories 1 to 5

questionnaire_B_3

the third item of questionnaire B with categories 1 to 5

questionnaire_B_4

the fourth item of questionnaire B with categories 1 to 5

questionnaire_B_5

the fifth item of questionnaire B with categories 1 to 5

questionnaire_C_1

the first continuous variable of questionnaire C

questionnaire_C_2

the second continuous variable of questionnaire C

questionnaire_C_3

the third continuous variable of questionnaire C

questionnaire_C_4

the fourth continuous variable of questionnaire C

questionnaire_C_5

the fifth continuous variable of questionnaire C

simulated data