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Featured Blog Posts – August 2019 Archive (59)

Three-way data splits (training, test and validation) for model selection and performance estimation

The use of training, validation and test datasets is common but not easily understood. 

 

In this post, I attempt to clarify this concept. The post is part of my forthcoming book on learning Artificial Intelligence, Machine Learning and Deep Learning based on high school maths.  If you want to know more about the book, please follow me on Linkedin Ajit Jaokar

 

Background

Jason…

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Added by ajit jaokar on August 20, 2019 at 1:58pm — No Comments

How to Set the Stage for a Successful Data Science Project: A Sales Person’s Perspective

By Pranay Agarwal and Betsy Romeri.

“They just don't understand me. I provide them with all the necessary details, all the data and analysis possible, but they don't seem to get it.” These were the comments of a data scientist at one of the largest CPG companies in Brazil as he vented to me over coffee and described how frustrating his last year had been. He definitely was feeling the heat from the business stakeholders. None of the major analytics initiatives that his team…

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Added by Betsy Romeri on August 20, 2019 at 5:00am — No Comments

The problem with Cambridge Analytica is not (just) the privacy breach

The problem with Cambridge Analytica is not the privacy breach

TL;DR: Echo chambers created by CA or other political marketing firms are bad for democracy, but you can counter them by following pages, people and content you would normally not follow on FB.…
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Added by Jesus Ramos on August 19, 2019 at 10:19am — No Comments

Weekly Digest, August 19

Monday newsletter published by Data Science Central. Previous editions can be found here. The contribution flagged with a + is our selection for the picture of the week. To subscribe, follow this link

Announcement…

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Added by Vincent Granville on August 18, 2019 at 10:30am — No Comments

Data Science Lessons from the Apollo Moon Landing

Landing a man on the moon 50 years ago was a true feat of genius, and an outstanding collaboration between many different stakeholders with many differing individual agendas and objectives (not exactly something we’re seeing out of our government leaders today).

BusinessWeek magazine, as always, published an exceptional article titled “Five Management Lessons the Apollo…

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Added by Bill Schmarzo on August 18, 2019 at 5:22am — No Comments

Bayesian Machine Learning

Bayesian Machine Learning (part - 4)

Introduction

In the previous post we have learnt about the importance of Latent Variables in Bayesian modelling. Now starting from…

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Added by Ashutosh vyas on August 16, 2019 at 8:34am — No Comments

How to Combine Different Methods for A 24-times Faster Time Series Prediction

Today, businesses need to be able to predict demand and trends to stay in line with any sudden market changes and economy swings. This is exactly where forecasting tools, powered by Data Science, come into play, enabling organizations to successfully deal with strategic and capacity planning.

Smart forecasting…

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Added by Olha Zhydik on August 16, 2019 at 7:00am — No Comments

Machine Learning on Mobile: An On-device Inference App for Skin Cancer Detection

Mobile health (mHealth) is considered one of the most transformative drivers for health informatics delivery of ubiquitous medical applications. Machine learning has proven to be a powerful tool in classifying medical images for detecting various diseases. However, supervised machine learning requires a large amount of data to train the model, whose storage and processing pose considerable system requirements challenges for mobile applications. Therefore, many studies focus on…

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Added by AI on August 16, 2019 at 6:00am — No Comments

Neural Machine Translation With Attention Mechanism: Step-by-step Guide

Neural networks have made significant leaps in the image and natural language processing (NLP) recently. They’ve not only learned to recognize, localize and segment images; they’re now able to effectively translate natural language and answer complex questions. One of the precursors to such massive progress was the introduction of Seq2Seq and…

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Added by Olha Zhydik on August 16, 2019 at 5:30am — No Comments

Artificial Intelligence vs. Machine Learning vs. Deep Learning: What is the Difference?

In fact, the business plans of the next 10,000 startups are easy to forecast: Take X and add AI. Find something that can be made better by adding online smartness to it

Kevin Kelly, The Inevitable: Understanding the 12 Technological Forces That Will Shape Our…
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Added by Igor Bobriakov on August 15, 2019 at 9:49pm — No Comments

Free book - Containerize your Apps with Docker and Kubernetes and impact of containers for AI on Edge devices

Background

Containerize your Apps with Docker and Kubernetes is an excellent free book from Gabriel N. Schenker

You can download the whole book by registering…

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Added by ajit jaokar on August 13, 2019 at 11:12am — No Comments

Z Test / T Test in One Picture

The following picture shows the differences between the Z Test and T Test. Not sure which one to use? Find out more here:…

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Added by Stephanie Glen on August 13, 2019 at 10:30am — No Comments

New Book: AI and Data Strategy

Artificial Intelligence and Big Data are shaping the world and every business must adopt a strategy and change the culture of their organisation to be able to survive and prosper. The Fourth Industrial Revolution is altering every facet of society and this book provides managers and professionals with the strategic skills to implement the changes required. Machines are increasingly being able to process information and perform actions that previously only humans could do. This…

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Added by Rekha N Swamy on August 13, 2019 at 3:30am — No Comments

Your guide in selecting the right CDP

Of late, a buzzword in marketing and analytics circles is CDP or Customer Data Platform. Chief Marketing Officers now have this new weapon in their arsenal to serve customers in an even better, faster and more granular manner. 



A CDP is a “data unifying software”. Adding it on top of your martech stack helps manage your…

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Added by Hemant Warudkar on August 13, 2019 at 2:12am — No Comments

Top 6 Expert Tips To Create A Highly Functional Chatbot

Are you considering creating a chatbot for your company’s website? 

But aren't sure where to start. 

Well, you are not alone.

Presently, almost every business wants to integrate a chatbot in their system to deliver better customer service and support. And thus, everybody wants to know how to create a chatbot for their…

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Added by Amit Dua on August 12, 2019 at 9:00pm — No Comments

Modernize your IT Infrastructure Monitoring by Combining Time Series Databases with Machine Learning

Let’s explore the complexity and vulnerability of IT infrastructure and how to build a modern IT infrastructure monitoring solution, using a combination of time series databases with machine learning.

IT Infrastructure: Complex and Vulnerable…

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Added by Tamar Gal on August 12, 2019 at 6:11am — No Comments

Apply recommender system using Spark SVD and Amazon SageMaker

Recommender systems are applied in a variety of industries such as e-commerce, streaming services and others. There are two major techniques used in Recommender systems,  collaborative filtering and Content-based filtering. This article presents five  “Jupyter” NoteBooks which construct a large scale recommender…

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Added by leonardo mattes on August 12, 2019 at 4:30am — No Comments

Different kinds of loops in R.

Normally, it is better to avoid loops in R. But for highly individual tasks a vectorization is not always possible. Hence, a loop is needed – if the problem is decomposable.

Which different kinds of loops exist in R and which one to use in which situation?

In each programming language, for- and while-loops (sometimes until-loops) exist. These loops are sequential and not that fast – in R.

for(i in…

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Added by Frank Raulf on August 12, 2019 at 12:30am — No Comments

Weekly Digest, August 12

Monday newsletter published by Data Science Central. Previous editions can be found here. The contribution flagged with a + is our selection for the picture of the week. To subscribe, follow this link.  

Announcement

  • Healthcare…
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Added by Vincent Granville on August 11, 2019 at 8:00am — No Comments

What is AI: explaining it from different dimensions

This article was written by Swami Chandrasekaran.

Click on the picture below to zoom in. 

AI is a fascinating area and I personally feel it will not do justice to explain it without looking at it from…

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Added by Andrea Manero-Bastin on August 11, 2019 at 7:30am — No Comments

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