This problem also appeared as an assignment problem in the coursera online course Mathematics for Machine Learning: Multivariate Calculus. The description of the problem is taken from the assignment itself.
In this assignment, we shall train a neural network to draw a curve. The curve takes one input variable, the…
ContinueAdded by Sandipan Dey on May 31, 2018 at 10:00pm — No Comments
This blog explores a typical image identification task using a convolutional ("Deep Learning") neural network. For this purpose we will use a simple JavaCNN packageby D.Persson, and make our example small and concise using the Python scripting language. This example can also be rewritten in Java, Groovy, JRuby or any scripting language supported by the Java virtual machine.
This example will use images in the grayscale format (PGM). The name "PGM" is an acronym derived from…
Added by jwork.ORG on May 31, 2018 at 1:30pm — No Comments
Bill is the Editorial Director for Data Science Central, and President and Chief Data Scientist at Data-Magnum, providing predictive analytics and big data infrastructure projects as a service. Bill has been an active commercial predictive modeler since 2001.
Bill Vorhies
In this…
ContinueAdded by Vincent Granville on May 31, 2018 at 5:00am — No Comments
Hello, this is my second article about how to use modern C++ for solving machine learning problems. This time I will show how to make a model for polynomial regression problem described in previous article, but now with another library which allows you to use your GPU easily.
For…
ContinueAdded by Kyrylo Kolodiazhnyi on May 30, 2018 at 1:30am — No Comments
Data science had broad applications across many different industries.
If we focus on industries that are in the business of buying (some or all) of a company, then trying to improve the operations before selling then we can identify at least three critical stages for data science to play a significant role.
Added by Howard Friedman on May 29, 2018 at 9:00am — No Comments
Over years, a crucial part of data-gathering behavior has revolved around what other people think. With the constantly growing popularity and availability of opinion-driven resources such as personal blogs and online review sites, new challenges and opportunities are emerging as people have started using advanced technologies to make decisions now. Sentiment analysis or opinion mining, refers to the use of computational linguistics, text analytics and natural language processing to identify…
ContinueAdded by Nishtha Saxena on May 29, 2018 at 2:30am — No Comments
In case you've missed it, there has been a tremendous number of news stories, social media posts and the like on Bitcoin, Hashing Algorithms, Blockchain, video graphics cards and Crypto-mining. If you are anything like the most of us, the information barely provides you a platform to have a discussion about the topic. But what does it all mean? What is a…
ContinueAdded by Richard Charles, PhD on May 28, 2018 at 12:30am — No Comments
Added by Vinod Sharma on May 27, 2018 at 9:30pm — 2 Comments
A time series is a sequence of data points recorded at specific time points - most often in regular time intervals (seconds, hours, days, months etc.). Every organization generates a high volume of data every single day – be it sales figure, revenue, traffic, or operating cost. Time series data mining can generate valuable information for long-term business decisions, yet they are underutilized in most organizations. Below is a list of few possible ways to…
ContinueAdded by Mab Alam on May 27, 2018 at 9:00pm — No Comments
In this age of data and convenience, customers across the globe are getting used to great customer experience from numerous companies. Big names such as Google, Apple, Amazon,…
ContinueAdded by Ronald van Loon on May 27, 2018 at 9:00pm — No Comments
Machine learning has the ability to automate a lot of jobs in the future. It is very easy to talk about this automation when it isn't your job that will be automated. But the scary part is that there are a lot of highly skilled jobs that will also face some type of automation in the future as well. When you are talking about your own job potentially being automated, it becomes less abstract and more real. It is very easy to say go ahead and automate jobs, until it is your own that is being…
ContinueAdded by Ylan Kazi on May 27, 2018 at 11:30am — 2 Comments
Although I deal with many different types of metrics, I believe they can be generally classified as follows: 1) time use; 2) alignment; 3) production; 4) performance; 5) service; 6) and market. In this blog, I will be providing some comments pertaining to each. Although I have yet to encounter any myself, I am certain that there must be text books on the issue of operational metrics and how to make use of them. However, I personally developed nearly all of those that I use. Although I do…
ContinueAdded by Don Philip Faithful on May 26, 2018 at 9:00am — No Comments
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.
Featured Resources and Technical Contributions
ContinueAdded by Vincent Granville on May 26, 2018 at 8:00am — No Comments
In this post I will share some tips I learned after using the Apache Hadoop environment for some years, and doing many many workshops and courses. The information here considers Apache Hadoop around version 2.9, but it could definably be extended to other similar versions.
These are considerations for when building or using a Hadoop cluster. Some are considerations over the Cloudera distribution. Anyway, hope it…
ContinueAdded by Renata Ghisloti Duarte Souza Gra on May 24, 2018 at 5:00pm — No Comments
This big picture view lays the foundation of our book Data Science for the Internet of Things. (Co-authored by Ajit Jaokar, Jean Jacques Bernard and Sukanya Mandal)
We address the question: at what points can we add analytics to the data after it leaves the sensor and what are the implications of doing so at various stages.
In…
ContinueAdded by ajit jaokar on May 24, 2018 at 4:00pm — 5 Comments
The list below is a (non-comprehensive) selection of what I believe should be taught first, in data science classes, based on 30 years of business experience. This is a follow up to my article Why logistic regression should be taught last.
I am not sure whether these topics below are even discussed in data camps or college…
ContinueAdded by Vincent Granville on May 24, 2018 at 1:00pm — 9 Comments
Added by David Maman on May 23, 2018 at 11:30pm — No Comments
My daughter just started a business analytics Master's program. For the probability sequence of the core statistics course, one of her assignments is to calculate the probability of single 5 card draw poker hands from a 52-card…
ContinueAdded by steve miller on May 23, 2018 at 11:30am — 2 Comments
During my first project in McKinsey in 2011, I served the CEO of a bank regarding his small business strategy. I wanted to run a linear regression on the bank's data but my boss told me: "Don't do it. They don't understand statistics". (We did not use Machine Learning but, 7 years down the road, I still believe we developed the right…
ContinueAdded by Pedro URIA RECIO on May 23, 2018 at 2:00am — No Comments
You know who you are. A high-calibre machine learning magician, a well-versed wrangler of data... but you want a bit more from your role. That may be progression, more money or the chance to work on new, more exciting projects, but where do you go from here?
Many companies are looking to increase investment in data science departments and looking for leaders to build out new teams to do this. But before you take the plunge into the C-level, weigh up what this role entails and…
ContinueAdded by Matt Reaney on May 23, 2018 at 1:00am — No Comments
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