text: import filter from './filter.js'
  import select from './select.js'
  import arrange from './arrange.js'
  import rename from './rename.js'
  import { mutate, transmute } from './mutate.js'
  import summarise from './summarise.js'
  import mutarise from './mutarise.js'
  import groupBy from './groupBy.js'
  import binning from './binning.js'
  import dropNA from './dropNA.js'
  import reproject from './reproject.js'
  import transform from './transform.js'
  import scale from './scale.js'
  
  export default {
    filter,
    select,
    arrange,
    rename,
    mutate,
    transmute,
    summarise,
    'summarize': summarise,
    mutarise,
    'mutarize': mutarise,
    groupBy,
    binning,
    dropNA,
    reproject,
    transform,
    scale
  }
  