# Mark Razmandi

## 58 Added | 8 Magazines | 167 Likes | 1 Following | 4 Followers | @MarkRazmandi | I have dedicated my life to the science of data, visualization, contributing to my field, and advancing society for the greater good.

### The 5 Clustering Algorithms Data Scientists Need to Know

Clustering is a Machine Learning technique that involves the grouping of data points. Given a set of data points, we can use a clustering algorithm …

Algorithms### Financial forecasting with probabilistic programming and Pyro

Hi all again! Last year I have published several tutorials on financial forecasting using neural networks and I think some of the results were at …

Data Science### Computer Vision Algorithms for R users

(This article was first published on <b>bnosac :: open analytical helpers</b>, and kindly contributed to R-bloggers)<p>Just before the summer holidays, BNOSAC …

Machine Learning### Assessing the Accuracy of our models (R Squared, Adjusted R Squared, RMSE, MAE, AIC)

(This article was first published on <b>R tutorial for Spatial Statistics</b>, and kindly contributed to R-bloggers)<p>Assessing the accuracy of our model<p>There …

### The R Shiny packages you need for your web apps!

(This article was first published on <b>Enhance Data Science</b>, and kindly contributed to R-bloggers)<p>Shiny is an R Package to deploy web apps using an R …

### Freedman’s paradox

(This article was first published on <b>Alexej's blog</b>, and kindly contributed to R-bloggers)<p>Recently I came across the classical 1983 paper <i>A note on</i> …

### The continuing rise of graph databases

Graph technology is well on its way from a fringe domain to going mainstream. We take a look at the state of the union in graph, featuring Neo4j's …

Databases### MIT Deep Learning Book (beautiful and flawless PDF version)

MIT Deep Learning Book in PDF format (complete and parts) by Ian Goodfellow, Yoshua Bengio and Aaron Courville.<p>If this repository helps you in …

### This German Retiree Solved One of World's Most Complex Maths Problems - And No One Noticed

"We found it, and it's beautiful."<p>It's a problem that the world's most experienced mathematicians have spent decades trying to solve, and the …

### Applying Machine Learning to the Internet of Things

What are some of the applications and use cases? #askIoTThe post Applying Machine Learning to the Internet of Things appeared first on iamwire.

Machine Learning### Neural Networks for Machine Learning: A Free Online Course

The 78-video playlist above comes from a course called <i>Neural Networks for Machine Learning</i>, taught by Geoffrey Hinton, a computer science professor …

Machine Learning### Visualizing Graphs in Apache Zeppelin using Neo4J

Apache Zeppelin is a useful tool for doing interactive and fast data analysis. Powered by native Apache Spark and with support for Spark-SQL, it …

### A Gentle Introduction To Graph Theory

So many things in the world would have never come into existence if there hadn’t been a problem that needed solving. This truth applies to …

### doAzureParallel: Take advantage of Azure’s flexible compute directly from your R session

Users of the R language often require more compute capacity than their local machines can handle. However, scaling up their work to take advantage of …

### Ideas on interpreting machine learning

<i>Mix-and-match approaches for visualizing data and interpreting machine learning models and results.</i>You’ve probably heard by now that machine learning …

Machine Learning### Mapping 5,000 Years of City Growth

(This article was first published on <b> R – Spatial.ly</b>, and kindly contributed to R-bloggers)I recently stumbled upon a great dataset. It’s the first to …

Data Visualization### Data Preprocessing vs. Data Wrangling in Machine Learning Projects

Key Takeaways<p>Data preparation takes 60 to 80 percent of the whole analytical pipeline in a typical machine learning / deep learning project.<br>• Various …

Data Science### Special cases of Shannon entropy

Given a random variable that takes on only finitely many values, we can define its Shannon entropy by the formulawith the convention that . (In some …

Mathematics### Factor Analysis

Adapted from Ewart Thomas’s “Factor Analysis and Cluster Analysis”<p>Introduction<p>This tutorial covers factor analysis with R. For the related Psych 253 …

### Infoporn: Sprawling graphics help you 'see' how beautiful the music in Vivaldi's Four Seasons is

<b>Click here to explore the graphic above in more detail</b><p>This is Vivaldi's Four Seasons, quantified. It's the work of data artist Nicholas Rougeux, who …

### What Skills Are Artificial Intelligence Students Learning?

This column is by Lauren Dixon, editor at Human Capital Media and LoganSquarist<p><b>As companies look to the blossoming field to transform their</b> …

Artificial Intelligence### Programming books you might want to consider reading

There are a lot of “12 CS books every programmer must read” lists floating around out there. That’s nonsense. The field is too broad for almost any …

Bots### Subject guides: Data Analysis and Visualisation

What is Data Analysis?<p>Data analysis is any task undertaken to try and discover meaningful information from a dataset. This covers a huge range of …

Data Visualization### Introducing the Team Data Science Process from Microsoft

<i>This post is by Jacob Spoelstra, Data Science Director, Hang Zhang, Senior Data Scientist Manager, and Gopi Kumar, Principal Program Manager in the</i> …

### Make ggplot graphics2 interactive with ggiraph

(This article was first published on <b> Revolutions</b>, and kindly contributed to R-bloggers)R's ggplot2 package is a well-known tool for producing …

Data Visualization### 25 Best Open Source Alternatives For Expensive Applications In 2018

Why we are still fond of <b>expensive applications</b> like Microsoft Windows, Adobe, Autodesk etc. when there are a lot of <b>open source alternatives</b> to …

### Coding Interview University

I originally created this as a short to-do list of study topics for becoming a software engineer, but it grew to the large list you see today. After …

Programming### The Mathematics of Machine Learning

Euclid, Greek mathematician, 3rd century BC, as imagined by Raphael<p><i>This curated column is by Wale Akinfaderin, PhD Candidate in Physics</i><p>In the last …

### What’s up with the Graph Laplacian?

<i>This is a guest post written by my friend, Jeremy Kun! He’s the author of the popular blog Math ∩ Programming, your go-to site for learning about</i> …

Mathematics