It shows basic statistics for each characteristic in a data frame.
The report includes:
Field: Field name.
Type: Factor, numeric, integer, other.
Recs: Number of records.
Miss: Number of missing records.
Min: Minimum value.
Q25: First quartile. It splits off the lowest 25% of data from the highest 75%.
Q50: Median or second quartile. It cuts data set in half.
Avg: Average value.
Q75: Third quartile. It splits off the lowest 75% of data from the highest 25%.
Max: Maximum value.
StDv: Standard deviation of a sample.
Neg: Number of negative values.
Pos: Number of positive values.
OutLo: Number of outliers. Records below Q25-1.5*IQR
, where IQR=Q75-Q25
.
OutHi: Number of outliers. Records above Q75+1.5*IQR
, where IQR=Q75-Q25
.