Aggregations in R

How to use aggregates in R with Plotly.

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Plotly is a free and open-source graphing library for R. We recommend you read our Getting Started guide for the latest installation or upgrade instructions, then move on to our Plotly Fundamentals tutorials or dive straight in to some Basic Charts tutorials.

Introduction

Aggregates are a type of transform that can be applied to values in a given expression. Available aggregations are:

Function	Description
`count`	Returns the quantity of items for each group.
`sum`	Returns the summation of all numeric values.
`avg`	Returns the average of all numeric values.
`median`	Returns the median of all numeric values.
`mode`	Returns the mode of all numeric values.
`rms`	Returns the rms of all numeric values.
`stddev`	Returns the standard deviation of all numeric values.
`min`	Returns the minimum numeric value for each group.
`max`	Returns the maximum numeric value for each group.
`first`	Returns the first numeric value for each group.
`last`	Returns the last numeric value for each group.

Basic Example

library(plotly)

fig <- plot_ly(
  type = 'scatter',
  x = diamonds$cut,
  y = diamonds$price,
  mode = 'markers',
  transforms = list(
    list(
      type = 'aggregate',
      groups = diamonds$cut,
      aggregations = list(
        list(
          target = 'y', func = 'sum', enabled = T
        )
      )
    )
  )
)

fig