Analytics Vidhya

MAY 15, 2019

Introduction “You can’t prove a hypothesis; you can only improve or disprove it.” – Christopher Monckton Every day we find ourselves testing new ideas, The post Statistics for Data Science: Introduction to t-test and its Different Types (with Implementation in R) appeared first on Analytics Vidhya. R Statistics Hypothesis Testing Inferential Statistics statistics t-test

Statistics 163

Statistics Testing Data Science IT 163

BI-Survey

APRIL 3, 2019

The post iFrame Test appeared first on BI Survey. Hadoop and Data Lakes Report. Use Cases, Benefits and Limitations. Request the free report now × Hadoop and Data Lakes. Please enter your contact details below to get your free copy of the report.

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Testing Data Lake Reporting 52

BI-Survey

NOVEMBER 29, 2018

The post Pardot Test appeared first on BI Survey. Don‘t miss out – Get the latest BI product insights, research, surveys and more! Other

Testing 52

Testing 52

DataFloq

MAY 2, 2019

We often undertake testing of failover characteristics of various MongoDB drivers to qualify them for production use cases, or when our customers ask us for advice.

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Testing Data Processing IT 195

DataRobot

MARCH 5, 2019

This system is at the core of our comprehensive testing philosophy that we believe is crucial to delivering a platform that our customers can trust, no matter what DataRobot features they’re using or how they’ve chosen to deploy them.

Testing 71

Testing Data Science Machine Learning Modeling 71

Nutanix

SEPTEMBER 1, 2019

So, you work in a datacenter. Maybe you spend a lot of time there. You might know your datacenter pretty well, but how well do you know what’s happening in other datacenters around the world

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Testing 40

Nutanix

JULY 12, 2019

So, you work in a datacenter. Maybe you spend a lot of time there. You might even spend some unforeseen weekends there

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Testing 40

Smarten

JUNE 29, 2018

This article discusses the Paired Sample T Test method of hypothesis testing and analysis. What is the Paired Sample T Test? The Paired Sample T Test is used to determine whether the mean of a dependent variable e.g., weight, anxiety level, salary, reaction time, etc.,

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Testing Business Analysis Measurement Statistics 52

Perficient Data & Analytics

MAY 21, 2018

This blogs covers the basic steps to install Fiddler, create HAR files for user tasks and use the HAR files to do a performance testing. Fiddler is a web debugging tool used for performance testing, Web Session Manipulation, HTTP/HTTPS activity recording and there are many other features.

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Testing Data Processing IT 52

Perficient Data & Analytics

MAY 3, 2018

Each phase of a company’s Part 370 response will have to undergo rigorous testing to ensure that all the regulatory requirements are met and the FDIC’s ongoing testing will produce satisfactory results. Our industry-leading DevOps organization that can assist with: Test planning and execution.

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Testing Reporting Software Finance 43

Occam's Razor

NOVEMBER 17, 2008

There is a tendency to think experimentation and testing is optional. Just don't fall for their bashing of all other vendors or their silly claims, false, of "superiority" in terms of running 19 billion combinations of tests or the bonus feature of helping you into your underwear each morning.

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Perficient Data & Analytics

MARCH 12, 2019

Understand Data Warehouse, Data Lake and Data Vault and their specific test principles. It will give insight on their advantages, differences and upon the testing principles involved in each of these data modeling methodologies. Data Lake Testing. Key Testing principle.

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Testing Data Lake Data Warehouse Unstructured Data 56

Smarten

JUNE 26, 2018

This article describes chi square test of association and hypothesis testing. What is the Chi Square Test of Association Method of Hypothesis Testing? Let’s conduct the Chi square test of independence using two variables: Gender and Product category.

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Testing Statistics Insurance Finance 52

The Data School

MAY 3, 2019

summary

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Testing 40

IBM Big Data Hub

SEPTEMBER 25, 2017

There are still challenges when building and managing test data environments. Protecting personal and sensitive data is vital. But, understanding the regulatory environment and available tools is just the first step. Here's how to overcome them

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Testing Marketing Management 108

IBM Big Data Hub

APRIL 11, 2018

But, finding the "right data" for agile development and continuous testing can be tricky. Most organizations are moving software development methods to newer agile methods to benefit from better technology capabilities, delivered more rapidly and with improved quality. Learn how to make it simpler

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Testing Software Technology IT 52

Smarten

JUNE 29, 2018

This article focuses on the Independent Samples T Test technique of Hypothesis testing. What is the Independent Samples T Test Method of Hypothesis Testing? Let’s look at a sample of the Independent t-test on two variables.

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Testing Statistics Business Intelligence Predictive Modeling 52

IBM Big Data Hub

AUGUST 29, 2017

At a time when data breaches and personalized, sensitive data leaks are receiving great focus, individuals and governments alike are pushing hard on the business community to do more to protect citizens' rights and the sensitive customer data these companies maintain

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Testing 110

Domino Data Lab

JANUARY 20, 2019

These are the kind of questions Been Kim , Senior Research Scientist at Google Brain, poised in the MLConf 2018 talk , “Interpretability Beyond Feature Attribution: Testing with Concept Activation Vectors (TCAV)”. Testing with Concept Activation Vectors (TCAV): The Zebra. For example, when building a model to help medical doctors to do a diagnosis, it may be helpful to test your model using doctor-friendly high-level concepts to surface bias or level of domain expertise.

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Modeling Testing Measurement Deep Learning 42

The Unofficial Google Data Science Blog

JANUARY 16, 2018

We present data from Google Cloud Platform (GCP) as an example of how we use A/B testing when users are connected. Experimentation on networks A/B testing is a standard method of measuring the effect of changes by randomizing samples into different treatment groups.

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Testing Experimentation Measurement Modeling 60

Occam's Razor

MAY 22, 2006

This post is a primer on the delightful world of testing and experimentation (A/B, Multivariate, and a new term from me: Experience Testing). It is important to realize that experimentation and testing might sound big and complex but it is not.

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Experimentation Testing Optimization Data Processing 96

erwin

AUGUST 22, 2019

Test – At this point, it’s time to test whether the proposed solution works. Unsuccessful tests could lead your team back to the ideation stage. In some cases, you may want to circle back to stage one to test your new solution with end users.

Enterprise 90

Enterprise Testing Data-driven IT 90

Mark Raskino

AUGUST 30, 2017

He was talking about something we call the ‘compound uncertainty’ that must be navigated when we want to test and introduce a real breakthrough digital business idea. Last week the very first regular commercial drone delivery service commenced.

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Testing Uncertainty Experimentation Risk 52

KDnuggets

AUGUST 13, 2019

Jobs Deep Learning Multivariate Testing Postdoc Sweden Umea UniversityHelp develop new e-science methods that fundamentally integrates Deep Learning and Multivariate analysis. The postdoc position is full-time for a period of two years.

Deep Learning 62

Deep Learning Testing 62

Occam's Razor

MARCH 8, 2010

A very simple test can allow you to figure out if the metric you are dutifully reporting (or absolutely in love with) is gold or mud. It is called the Three Layers of So What test. What's this lovely test? So that's the story of the "so what" test.

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Testing Metrics KPI Key Performance Indicator 126

Occam's Razor

NOVEMBER 1, 2006

In this post we’ll cover the grand daddy of UCD (User Centric Design) methodologies: Lab Usability Testing. Since many of us in the Web Analytics community don’t have optimal awareness of this methodology we’ll go into some detail about how lab usability tests are conducted.

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Testing Measurement Interactive Software 83

Occam's Razor

SEPTEMBER 14, 2007

The model suggested in the email of, what I call, temp to perm is not a bad idea because it both allows you to test the person out but more importantly you can check other attributes like leadership and team fit etc. Interviewing Tip: Stress Test Critical Thinking.

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Testing IT Reporting Modeling 79

Mixpanel on Data

OCTOBER 2, 2018

The official definition is “a result that is unlikely to have occurred given a null hypothesis,” and it’s typically found alongside riveting descriptions of “parametric tests” in such page-turning classics as the 1925 Statistical Methods for Research Workers. Step 4: Run the test.

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Statistics Testing Marketing Measurement 52

Sirius Computer Solutions

AUGUST 19, 2019

This requires coordination across multiple teams to get all of these applied and tested within the various environments, so don’t leave it to the last minute. What about external pen testing for potential threats and vulnerabilities? And if they are, plan extra time for testing.

Data Processing 60

Data Processing Optimization Testing Strategy 60

Occam's Razor

JUNE 4, 2018

Such is the case with A/B testing. I’m off to take a walk in the beautiful California sun, you go implement my recommendations for nudges as A/B tests—it is the only way to unlock the kind of imagination required to create profitable happy customer experiences.

Experimentation 109

Experimentation Testing Strategy Sales 109

Occam's Razor

APRIL 29, 2013

If the simple A/B (test/control) experiment demonstrates that delivering display banner ad impressions to the test group delivers increased revenue, buy impressions to your heart's content.

Marketing 169

Marketing Experimentation Testing Advertising 169

Occam's Razor

APRIL 8, 2013

Sometimes, we escape the clutches of this sub optimal existence and do pick good metrics or engage in simple A/B testing. Testing out a new feature. Identify, hypothesize, test, react. But at the same time, they had to have a real test of an actual feature.

Metrics 158

Metrics Key Performance Indicator Experimentation Analytics 158

Perficient Data & Analytics

AUGUST 28, 2018

Testing Support. Each phase of a company’s CECL response will have to undergo rigorous testing to ensure that all the regulatory requirements are met. As with requirements definition, having testing support resources that are dedicated entirely to CECL will ensure consistency of methods, documentation, and reporting across all of the affected silos.

Finance 40

Finance Reporting Risk Software 40

Occam's Razor

SEPTEMBER 19, 2011

Then they isolated regions of the country (by city, zip, state, dma pick your fave) into test and control regions. People in the test regions will participate in our hypothesis testing. So for variation #3, no catalogs or email were sent to the customers in the test group.

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Measurement Experimentation Testing Optimization 129

DataFloq

APRIL 14, 2019

Selenium Grid is a component of Selenium which is used for parallel testing across different browsers and machines. You can have your system as a hub which will distribute the test cases across various other machines. You must have studied about selenium grid.

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Testing IT 230

O'Reilly on Data

JUNE 19, 2019

A catalog or a database that lists models, including when they were tested, trained, and deployed. Model operations, testing, and monitoring. Other noteworthy items include: Tools for continuous integration and continuous testing of models.

Modeling 210

Modeling Machine Learning Testing Metrics 210

DataFloq

AUGUST 22, 2019

This is why companies are still encouraged to test their defenses. Traditionally, this is done through penetration testing where IT teams or security experts probe the organization's infrastructure using tools like Nmap and Metasploit to check for vulnerabilities.

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Testing Risk Enterprise Marketing 178

KDnuggets

JULY 31, 2019

We put an AutoML tool to the test on a real-world problem, and the results are surprising. Even with automatic machine learning, you still need expert data scientists. 2019 Jul Opinions Automated Machine Learning AutoML Overfitting Time Series

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Testing Machine Learning 68

DataFloq

AUGUST 30, 2019

Better Test Grading. Automatic grading of multiple-choice tests has been around for decades, and there can be little improvement from AI. New technologies are usually developed for the military sector, then find their way into healthcare, finance, retail, and, finally, education.

IT 232

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KDnuggets

JULY 30, 2019

This article is designed to give you a full picture from constructing a hypothesis testing to understanding p-value and using that to guide our decision making process.

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