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Building Real time Analytics Dashboard Using Apache Spark

In this blog post, we will learn how to build a real-time analytics dashboard using Apache Spark streaming, Kafka, Node.js, Socket.IO and …

你有哪些内行人才知道的省钱诀窍?

知道以下12条诀窍,节省不必要的开销。<p>生活又是一片海阔天空。<p><b>1.乐于接受服务。</b><p>服务业的本质是时间换钱,如果你接受一项服务给你省下的时间能让你创造更多经济收益,就算是消费,实际也是省钱的(例子:洗车、各种上门服务)。<p><b>2.办理储值卡要算清楚货币的时间价值。</b><p>假设一家糕点店存1800得2000,那么请你算清 …

Practical Guide to Principal Component Analysis (PCA) in R Python

Introduction<p>Too much of anything is good for nothing!<p>What happens when a data set has too many variables ? Here are few possible situations which you …

A comprehensive beginner's guide to start ML with Amazon Web Services (AWS)

Introduction<p>Learn to connect AWS instance with your laptop / desktop for faster computation!<p>Do you struggle with working on big data (large data …

Cloud Computing

Cross-Validation for Predictive Analytics Using R

(This article was first published on <b> MilanoR</b>, and kindly contributed to R-bloggers)IntroductionSince ancient times, humankind has always avidly …

Data Science

9 best noise-cancelling headphones

Whether you’re commuting, on a lengthy flight or trying to concentrate in the office, noise-cancelling headphones can be a godsend.<p>In a nutshell, the …

New Research Shows Why Focus On Teams, Not Just Leaders, Is Key To Business Performance

Deloitte just launched a study of people challenges in business, Deloitte Human Capital Trends 2016, and the results were striking. Among the 7,000+ companies who responded (in over 130 countries), the #1 issue on leaders minds is “how to redesign our organizational structure” to meet the demands …

Employee Engagement

The best standing desks

<i>By Mark Lukach and Nathan Edwards</i><p><i>This post was done in partnership with The Wirecutter, a buyer's guide to the best technology. Read the full article here.</i><p>Three years ago, The Wirecutter was the first publication to pit all of the major standing desks against one another in a head-to-head test. …

Python Scalability: A Convenient Truth

Python is the fastest-growing data science language and is used in production at many of the Fortune 500 companies for everything from software engineering to data engineering to rapid analytics. Despite its easy-to-learn nature and its simple syntax, Python packs surprising amounts of power and …

Python Programming

11 Alarming Online Marketing Stats That Should Influence Your Digital Strategy

The first ever TV ad was for Bulova watches and was broadcasted in 1941 on American screens long before social media was even a brain child of …

Marketing

14 books to read on your commute that will make you smarter about business

One way of combining the necessity of getting to our workplace with success is to spend the time reading or listening to books.<p>Here are my suggestions for great business books to read or listen to during your commute.<p><b>1.</b><b>"The</b> <b>E-Myth"</b> by Michael Greber. This is an excellent book about the myths …

Commuting

This Is Why so Many Entrepreneurs Can’t Find Investors

<i>The Entrepreneur Insiders network is an online community where the most thoughtful and influential people in America’s startup scene contribute</i> …

Entrepreneurship

A Refresher on Statistical Significance

When you run an experiment or analyze data, you want to know if your findings are “significant.” But business relevance (i.e., practical significance) isn’t always the same thing as confidence that a result isn’t due purely to chance (i.e., statistical significance). This is an important …

Hung Up
Investing

The relation between p-values and the probability H0 is true is not weak enough to ban p-values

<i>The journal of Basic and Applied Social Pychology banned the p-value in 2015, after Trafimow (2014) had explained in an editorial a year earlier that</i> …

The 25 Best Inventions of 2015

Advertisement<p>Advertisement<p>Advertisement<p>Advertisement<p>Advertisement<p>Advertisement<p>Advertisement<p>Advertisement<p>Advertisement<p>Advertisement<p>Advertisement<p>Adverti …

Inventions

21 Books by Billionaires That Will Teach You How to Rule the Business World | Inc.com

Whether you want to launch an empire or become the best in your field, who better to consult than those who've achieved the peak of professional and financial success?<p>That's why we've rounded up 21 books by self-made billionaires. From the business insights of Bill Gates to the leadership lessons …

Ralph Lauren

Introducing Distributed Data-structures in R

<i>Indrajit Roy, Principal Researcher, Hewlett Packard Labs</i><p>Due to R’s popularity as a data mining tool, many Big Data systems expose an R based …

Goodbye, t-test: new stats models for A/B testing boost accuracy, effectiveness

The t-test has served as a workhorse for conversion optimization teams for many years — though there’s always been confusion about what the results …

Profit

Solution to coin flip paradox: When to bet heads or tails.

Toby and Marla are playing a game with coins, because that’s what people in math problems do. Toby flips a fair coin three times, out of Marla’s …

Mathematics

Want to intern at a Wall Street bank? Here's the first thing they'll look for on your résumé

Last summer, Goldman Sachs had 59,000 applicants for roughly 2,900 intern positions.<p>So if you're going to drop your resume in a stack with thousands of others, you want it to look good.<p>We spoke with a former analyst at a bulge-bracket bank who's been through the process both as an applicant and, on …

Employment

FoxType wants to help you write more polite emails

The trouble with communicating via text, whether it’s an SMS, IM or email, is that the tone of your message may not always come through as you expect. It’s especially difficult when you’re conversing with a business associate or someone you’ve never met before.<p>FoxType tries to help you write more …

Data Is the Next Big Thing in Content Marketing

The diminishing effectiveness of conventional advertising and the rise of social media have led more and more brands to embrace content marketing. More and more companies are seeing themselves not just as advertisers, but as publishers, launching digital newsrooms, podcasts, and other forms of …

Marketing

Pineapple - Python Notebooks for Mac OS X

Experiment<p>The interactive notebook format lets you try out Python code, get instant feedback, then tweak your code as many times as you need. Mix …

A Complete Tutorial on Tree Based Modeling from Scratch (in R Python)

Introduction<p>Tree based learning algorithms are considered to be one of the best and mostly used supervised learning methods. Tree based methods …

Machine Learning

d3.geomap

<b>d3.geomap</b> is designed to be a reusable geographic map for D3. In its current stage it consists of a class to create plain maps d3.geomap() and one …

Mapping Every Power Plant in the United States

on August 18, 2015 at 5:27 pm<p>Shares 1.4K<p><i>Note: Updated to reflect 2017 numbers</i><p>The Washington Post has put together an extraordinary data visualization …

A/B Testing with Hierarchical Models in Python

In this post, I discuss a method for A/B testing using Beta-Binomial Hierarchical models to correct for a common pitfall when testing multiple …