Ramnath Vaidyanathan ramnathv

data.table's automatic indexing:

Generating some data first:

# R version 3.3.0
require(data.table) ## 1.9.7, commit 2433, github
require(dplyr) ## devel, commit 3189, github

A minimal demonstration of how to create an HTML bar chart with D3. Fork this template to create your own chart.

made with esnextbin

	library(ggplot2)
	library(datasauRus)
	library(gganimate)

	p <- ggplot(datasaurus_dozen, aes(x = x, y = y, frame = dataset)) +
	geom_point() +
	theme(legend.position = "none")

	gganimate(p, title_frame = FALSE)

	# Using concaveman in R using V8
	concaveman <- function(d){
	library(V8)
	ctx <- v8()
	ctx$source('https://www.mapbox.com/bites/00222/concaveman-bundle.js')
	jscode <- sprintf(
	"var points = %s;var polygon = concaveman(points);",
	jsonlite::toJSON(d, dataframe = 'values')
	)
	ctx$eval(jscode)

	var mobx = require('mobx');
	var _ = require('lodash');

	/*

	MOBX in VANILLA ES5
	Notes are based on Matt Ruby's Open Source North Talk:

	Practical React with MobX
	https://www.youtube.com/watch?v=XGwuM_u7UeQ