Adds a column of deterministic pseudorandom numbers to a collection. The outputs are double-precision floating point numbers. When using the 'uniform' distribution (default), outputs are in the range of [0, 1). Using the 'normal' distribution, outputs have μ=0, 𝛔=1, but have no explicit limits.
| Usage | Returns |
|---|---|
FeatureCollection.randomColumn(columnName, seed, distribution) | FeatureCollection |
| Argument | Type | Details |
|---|---|---|
this: collection | FeatureCollection | The input collection to which to add a random column. |
columnName | String, default: "random" | The name of the column to add. |
seed | Long, default: 0 | A seed used when generating the random numbers. |
distribution | String, default: "uniform" | The distribution type of random numbers to produce; one of 'uniform' or 'normal'. |