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Python Machine Learning Tutorial, Scikit-Learn: Wine Snob Edition

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In this end-to-end Python machine learning tutorial, you'll learn how to use Scikit-Learn to build and tune a supervised learning model! To begin, let's import numpy, which provides support for more efficient numerical computation: Next, we'll import Pandas, a convenient library that supports dataframes . Pandas is technically optional because Scikit-Learn can handle numerical matrices directly, but it'll make our lives easier: Now it's time to start importing functions for machine learning. Splitting the data into training and test sets at the beginning of your modeling workflow is crucial for getting a realistic estimate of your model's performance.


Harnessing automation for a future that works

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A new McKinsey Global Institute report finds realizing automation's full potential requires people and technology to work hand in hand. As processes are transformed by the automation of individual activities, people will perform activities that complement the work that machines do, and vice versa. Factors that will determine the pace and extent of automation include the ongoing development of technological capabilities, the cost of technology, competition with labor including skills and supply and demand dynamics, performance benefits including and beyond labor cost savings, and social and regulatory acceptance. While much of the current debate about automation has focused on the potential for mass unemployment, people will need to continue working alongside machines to produce the growth in per capita GDP to which countries around the world aspire.


Artificial Intelligence Versus the Worker - Disruption

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When good just isn't enough Since all proficiency roles have a similar relationship between performance and value, they are highly susceptible to transformative disruption by intelligent machines. A talented flight attendant can deliver superior customer satisfaction and with that, lasting customer loyalty and advocacy. However, they can be susceptible to augmentative disruption by intelligent machines. Equipped with such machine learning-powered technology, the flight attendant can augment their performance and deliver even greater value to passengers and, therefore, to the organisation.


40 Interview Questions asked at Startups in Machine Learning / Data Science

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The data set has missing values which spread along 1 standard deviation from the median. Therefore, 32% of the data would remain unaffected by missing values. In an imbalanced data set, accuracy should not be used as a measure of performance because 96% (as given) might only be predicting majority class correctly, but our class of interest is minority class (4%) which is the people who actually got diagnosed with cancer. Hence, in order to evaluate model performance, we should use Sensitivity (True Positive Rate), Specificity (True Negative Rate), F measure to determine class wise performance of the classifier.


Artificial Intelligence Is Now In Residing In Your Pocket

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Each TPU has four chips that delivers 180 trillion of floating points performance per second, if this was not enough Google combined 64 of these TPUs together using patented high speed network to create machine learning supercomputer called TPU pod. Remember, Google's real innovation has been on hardware patents in high end cloud computing, chips, servers, networking for its own data centers. Google has been unsuccessful in social media space, but is now using machine learning to help users share photos, even suggesting whom to share it with. Google has search data, complete email conversation data, photos, and location data.


Building A Better 'Bot': Artificial Intelligence Helps Human Groups

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In a series of experiments using teams of human players and robotic AI players, the inclusion of "bots" boosted the performance of human groups and the individual players, researchers found. The study adds to a growing body of Yale research into the complex dynamics of human social networks and how those networks influence everything from economic inequality to group violence. In this case, Christakis and first author Hirokazu Shirado conducted an experiment involving an online game that required groups of people to coordinate their actions for a collective goal. People whose performance improved when working with the bots subsequently influenced other human players to raise their game.


Lift Analysis – A Data Scientist's Secret Weapon

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Whenever I read articles about data science I feel like there is some important aspect missing: evaluating the performance and quality of a machine learning model. Consequently, the first post on this blog will deal with a pretty useful evaluation technique: lift analysis. When evaluating machine learning models there is a plethora of possible metrics to assess performance.


A future for mobile operators: The keys to successful reinvention McKinsey & Company

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With the newest software and hardware, along with digital-age management practices, mobile operators can achieve breakthrough cost savings and capital intensity while maintaining or even increasing their scale. Managing networks with next-generation technologies can cut the capital-spending and operating expenses of wireless operators. Advanced analytics can help mobile operators to determine which capital investments in their networks will produce the most value. One benefit of flexibility is that operators can save money by reducing or increasing each cell's capacity as demand for service fluctuates.


Beyond fraud: 5 ways machine learning makes your credit union smarter - CUInsight

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For credit unions today, machine learning is proving invaluable in the fight against card fraud. The sheer power of prediction delivered by machine learning has the ability to transform nearly every aspect of your business model. When layered over strategies like credit card pricing and credit line management, machine learning can help credit unions boost card portfolio performance significantly. Predictive analytics delivered through machine learning can guide service models in a multitude of ways.


Google Gets Its Game Together on Connected Devices

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There is money to made out of data generated by billions of connected devices--the so-called Internet of things. The new Google IoT Core, disclosed in a blog post Tuesday, is now available in preview form and aims to make IoT deployments more manageable. Google IoT Core, which is roughly analogous to the Microsoft (msft) Azure IoT Suite, will help companies set up connected devices more easily and securely, and then take in, aggregate, and analyze the data they generate. The idea is to take products Google already offers, like its natural language processing (NLP) and image recognition technologies and make them applicable to a broad range of applications using all that device data.