Tiffany Wenting Li

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Guide To Prepare For Analytics Interview

We use cookies on Analytics Vidhya websites to deliver our services, analyze web traffic, and improve your experience on the site. By using Analytics …

Data Scientist vs Data Engineer

As the field of data science continues to grow and mature, it is nice to begin seeing some distinction in the roles of a data scientist. A new job …

How Not To Sort By Average Rating

<i>February 6, 2009</i> (Changes)<p>Translations: Russian Ukrainian Estonian<p><b>PROBLEM</b>: You are a web programmer. You have users. Your users rate stuff on your …

19 Maps That Will Blow Your Mind and Change the Way You See the World. Top All-time. You Won’t Believe Your Eyes. Watch.

Many lists of maps promise to change the way you see the world, but this one actually does. The maps above don’t count towards the 19, so your world …

The Ideal Length of Everything Online, Backed by Research

<b>UPDATE: See a newer, updated version of this post with a brand-new infographic.</b><p>Every so often when I’m tweeting or emailing, I’ll think: Should I …

Blog Archive » Principal Component Analysis (PCA) vs Ordinary Least Squares (OLS): A Visual Explanation

Over at stats.stackexchange.com recently, a really interesting question was raised about principal component analysis (PCA). The gist was “Thanks to …

3D printer drones will take to skies by 2040, claim BAE scientists

3D printers could be so advanced by 2040 they could create small unmanned aircraft, BAE Systems claim.<p>These unmanned aerial vehicles (UAV) could then potentially be used as a group of wide-winged aircraft for protracted or enduring surveillance or as rotary-winged UAVs to rescue single civilians or …

Floating Ocean Greenhouses Bring Fresh Food Closer To Megacities

His response was to develop Vereos, an idea for coastal cities with limited space for growing food. It’s a floating greenhouse that recycles …

The Hottest Jobs In IT: Training Tomorrow's Data Scientists

If you thought good plumbers and electricians were hard to find, try getting hold of a data scientist. The rapid growth of big data and analytics for use within businesses has created a huge demand for people capable of extracting knowledge from data.<p>The McKinsey Global Institute, the business and …