Detector
Defined in: src/data.ts:278
Constructors
Constructor
new Detector():
Detector
Returns
Detector
Methods
sampleCategories()
staticsampleCategories(column,check,min?,max?,ratio?,minStringLength?):boolean
Defined in: src/data.ts:290
Calls [check] function against a random subset of the column values, returns true if all checks return true. Useful for the efficient auto-detection of the column semantic type.
Parameters
| Parameter | Type | Default value | Description |
|---|---|---|---|
column | Column | undefined | - |
check | StringPredicate | undefined | - |
min | number | 5 | minimum number of categories. Returns false if less than that. |
max | number | 10 | number of checks to make |
ratio | number | 1 | [0-1] range: minimum allowed number of the success/total checks. |
minStringLength | number | 1 | values shorter than that are not considered checks |
Returns
boolean