6502 search results for "graph"

Plotting trees from Random Forest models with ggraph

March 15, 2017
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Plotting trees from Random Forest models with ggraph

Today, I want to show how I use Thomas Lin Pederson’s awesome ggraph package to plot decision trees from Random Forest models. I am very much a visual person, so I try to plot as much of my results as possible because it helps me get a better feel f...

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R, GIS, and fuzzyjoin to reconstruct demographic data for NUTS regions of Denmark

March 15, 2017
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R, GIS, and fuzzyjoin to reconstruct demographic data for NUTS regions of Denmark

NUTS

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RevoScaleR package dependencies with graph visualization

March 15, 2017
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RevoScaleR package dependencies  with graph visualization

MRAN currently holds 7520 R Packages. We can see this with usage of following command (stipulating that you are using MRAN R version. ): library(tools) df_ap <- data.frame(available.packages()) head(df_ap) With importing package tools, we get many useful functions to find additional information on packages. Function package.dependencies() parses and check dependencies of a package in current … Continue...

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The R qgraph Package: Using R to Visualize Complex Relationships Among Variables in a Large Dataset, Part One

March 10, 2017
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The R qgraph Package: Using R to Visualize Complex Relationships Among Variables in a Large Dataset, Part One

The R qgraph Package: Using R to Visualize Complex Relationships Among Variables in a Large Dataset, Part One A Tutorial by D. M. Wiig, Professor of Political Science, Grand View University In my most recent tutorials I have discussed the use of the tabplot() package to visualize multivariate mixed data types in large datasets. This … Continue...

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How to create correlation network plots with corrr and ggraph (and which countries drink like Australia)

February 28, 2017
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How to create correlation network plots with corrr and ggraph (and which countries drink like Australia)

@drsimonj here to show you how to use ggraph and corrr to create correlation network plots like these:  ggraph and corrr The ggraph package by Thomas Lin Pedersen, has just been published on CRAN and it’s so hot right now! What does it do? “ggraph is an extension of ggplot2...

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ggraph: ggplot for graphs

February 27, 2017
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ggraph: ggplot for graphs

A graph, a collection of nodes connected by edges, is just data. Whether it's a social network (where nodes are people, and edges are friend relationships), or a decision tree (where nodes are branch criteria or values, and edges decisions), the nature of the graph is easily represented in a data object. It might be represented as a matrix...

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Announcing ggraph: A grammar of graphics for relational data

February 22, 2017
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Announcing ggraph: A grammar of graphics for relational data

I am absolutely thrilled to announce that ggraph has finally been released on CRAN. ggraph is my most ambitious package to date and its very early genesis has been described in a prior post. If any mention of ggraph is completely new to you, then in s...

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Introduction to ggraph: Edges

February 15, 2017
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Introduction to ggraph: Edges

This is the third post in my series of ggraph introductions. The first post introduced the concept of layouts, which is simply a specification on how nodes should be placed on a plane. The second explained how to draw nodes using the geom_node_*() fam...

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30 issues of Demographic Digest – the most frequent journals

February 13, 2017
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30 issues of Demographic Digest – the most frequent journals

Today, the 30-th issue of my Demographic Digest was published.

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A Graphic Look at Bay Area Bike Share

February 13, 2017
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A Graphic Look at Bay Area Bike Share

Introduction This post is about the first of the four projects we are supposed to deliver at the NYC Data Science Academy Data Science Bootcamp program. The The post A Graphic Look at Bay Area Bike Share appeared first on NYC Data Science Academy Blog.

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