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Stack

• computes stacked layout
• For example, stacked bar chart

Parameters

sort

The sort order of data in each stack.

field

The field to stack. If no field is defined, a constant value of one is assumed.

as Required

Fields to write the stacked values.

Default: ["y0", "y1"]

offset

How to offset the values in a stack. "zero" (default) starts stacking at 0. "center" centers the values around zero. "normalize" computes intra-stack percentages and normalizes the values to the range of [0, 1].

groupby Required

The fields to be used for forming groups for different stacks.

Example

{
  "type": "stack",
  "groupby": ["chrom", "startpos"],
  "sort": {
    "field": "Role in Cancer"
  },
  "offset": "normalize"
}

TODO: Explanation