VegaLite.transform
You're seeing just the function
transform
, go back to VegaLite module for more information.
Specs
Adds a transformation to the specification.
Transformation describes an operation on data, like calculating new fields, aggregating or filtering.
All provided options are converted to transform properties.
Examples
Vl.new()
|> Vl.data_from_values(...)
|> Vl.transform(calculate: "sin(datum.x)", as: "sin_x")
|> ...
Vl.new()
|> Vl.data_from_values(...)
|> Vl.transform(filter: "datum.height > 150")
|> ...
Vl.new()
|> Vl.data_from_values(...)
|> Vl.transform(regression: "price", on: "date")
|> ...
See the docs for more details.