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EXAM_DT_0

exdate EXAM_DT_0


Descriptive statistics (Continuous)

Provides descriptive statistics for a subset or all continuous variables in the study data

Data type mismatch

Check if the declared data types in the metadata match the observed data types in the study data.

Missing values (Item-level)

Presence and amount of missing data for each variable, separated by class of missingness (i.e., system missingness (NA), used missing codes and jump codes). The higher the number or percentage of missing values, the lower the data quality.
Note:
1. “ADDED: SysMiss” or “Sysmiss N” refers to NA’s (i.e., system-indicated missing values);
2. The percentage of all the columns in the table (except Measurements N (%)) are calculated over the Observation N. The percentage of Measurement N is calculated by dividing the value (Measurement N) by the difference between the number of observations and the number of jumps (Observation N - Jumps N).

'NAs (System missings)' for "EXAM_DT_0" is 0 ( 0% ) out of 2154

Distribution

Distribution plots for the variables in the study data (distributions are described using bar plots in case of categorical data and histograms for numerical data).

Item-level Metadata


dataquieR 2.5.1.9009.1