We all have used stepwise regression at some point. Stepwise regression is known to be sensitive to initial inputs. One way to mitigate this sensitivity is to repeatedly run stepwise regression on bootstrap samples. R has a nice package called bootStepAIC() which (from its description) “Implements a Bootstrap procedure to ... [Read more...]

Carson Sievert from Plotly recreated Hadley Wickam’s entire ggplot2 documentation using Plotly’s open-source ggplotly converter – http://ropensci.github.io/plotly/ggplot2/. This makes every ggplot2 graph interactive and drawn in D3.js ! position_jitterdodge scale_color_brewer stat_summary_hex geom_violin geom_smooth geom_polygon geom_point ... [Read more...]

This post is inspired by Mike Bostock’s implementation of bullet charts – http://bl.ocks.org/mbostock/4061961 [crayon-5739575adb0e0389594282/] [Read more...]

Gantt Charts are a great way to keep track of timelines, progress of specific aspects of the project and resource utilization. Project Managers and anyone familiar with Microsoft Project would be familiar with Gantt Charts. Here’s how to make one in R using Plotly’s R API. [crayon-57330056e36... [Read more...]

Announcing the new shiny apps gallery that showcases the use of Plotly’s R API in Shiny Applications. You can visit the gallery here: https://plot.ly/r/shiny-gallery/ Apps showcase the use of a variety of plotly features including: Adding interactive plotly graphs using plotlyOutput() Embedding ggplot style visualizations ... [Read more...]

Plotly now supports ternary plots ! and in this post we’ll showcase how to make such charts in R. [crayon-5727c9367d4f1199297046/] Markers [crayon-5727c9367d4fe750640735/]   [crayon-5727c9367d504011620753/] Lines [crayon-5727c9367d50a578390396/] Contour [crayon-5727c9367d510780986397/] [Read more...]

This post is dedicated to creating candlestick charts using Plotly’s R-API. For more information on candlestick charts visit www.stockcharts.com. We’ll also showcase Plotly’s awesome new range selector feature ! [crayon-571e00e6cc382939134649/] [crayon-571e00e6cc39c746160627/] [Read more...]

This post is inspired by Lukasz Piwek’s awesome Tufte in R post. We’ll try to replicate Tufte’s visualization practices in R using Plotly. You can read more about Edward Tufte here. One easy way to replicate the graphs showcased on Lukasz’s blog would be to simply ... [Read more...]

In this post we’ll focus on showcasing Plotly’s WebGL capabilities by charting financial portfolios using an R package called PortfolioAnalytics. The package is a generic portfolo optimization framework developed by folks at the University of Washington and Brian Peterson (of the PerformanceAnalytics fame). You can see the vignette ... [Read more...]

Below are 13 charts made in Plotly or using Ploty’s APIs by users on Outer Space, Satellites and Astrophysics 1. Flybys of Minor Planets, Pioneer 10 and 11, Voyager I and II, and New Horizons Chart Link: https://plot.ly/~alexhp/57/flybys-of-minor-planets-in-the-outer-solar-system-pioneer-10-and-11-voyager-i-an/ Chart Author: @ alexhp Touched up in: Plotly online editor ... [Read more...]

Below are 15 charts made in Plotly or using Ploty’s APIs by users on Brand and consumer Research. 1. So what if I’m old – Brand choices for Age __ 60 Chart Link: https://plot.ly/~snawel/80/brand-choices-for-age-60/ Chart Author: @ snawel Touched up in: Plotly online editor Code: Python code R Code 2. DND, ... [Read more...]

Here’s a function which uses plotly’s R Library to overlay a voronoi diagram on top of a 2-D K-Means visualization. Visit the Getting Started section to get Plotly up and running using R. Here’s a quick rundown on how this function works: Accepts a data frame containing ... [Read more...]

Below are 10 charts made in R or Python by Plotly users on weather, maps and geography. 1. Doctor Who? – Timelords weather forecast for different cities Chart Link: https://plot.ly/~wthrmn/30/timelords-weather-forecast-1152016/Chart Author: @ wthrmnTouched up in: Plotly online editorCode: Python code R Code 2. Its raining ! – US Precipitation (June 2015) Chart Link: ... [Read more...]

The original post is here. Dr. Phillip Feldman has kindly agreed to let us repost his thoughts on some key differences between Matlab and Python. 1. readability Python code tends to be more compact and more readable than Matlab code. There are several reasons for this: indentation Unlike Matlab, which uses ... [Read more...]

Just because we all like numbers doesn’t mean we can’t have some fun. Here’s to wishing to everyone a very Happy New Year ! # install.packages("jpeg") library(jpeg) library(plotly) # Download a jpeg file from imgur URL [Read more...]

In our last post we quickly went over how to create a new R-Markdown document and embed a Plotly graph in it. In this post we’ll get into more details around how to control code output using chunk options. As shown in our previous post, for the embedded R ... [Read more...]

R-Markdown is a great way to create dynamic documents with embedded chunks of R code. The document is self contained and fully reproducible which makes it very easy to share. This post will be the first in a multi part series on how to embed Plotly graphs in R-Markdown documents ... [Read more...]

Plotly is a platform for making, editing, and sharing customizable and interactive graphs. Embedding Plotly graphs in a R-Markdown document is very easy. Here, we will genarate a R-Markdown document with embedded Plotly charts to visualize regression diagnostic plots similar to the ones generated by using plot() on a fitted ... [Read more...]