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Measuring Validity and Reliability of Human Ratings

The Unofficial Google Data Science Blog

E ven after we account for disagreement, human ratings may not measure exactly what we want to measure. Researchers and practitioners have been using human-labeled data for many years, trying to understand all sorts of abstract concepts that we could not measure otherwise. That’s the focus of this blog post.

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It's Not The Ink, It's The Think: 6 Effective Data Visualization Strategies

Occam's Razor

Too many bars, inside them too many slices, odd color choices, all end up with this question: what the heck's going on here? What you want to do instead is to do all the slicing, dicing, segmentation, beautiful math, and then step above it. Sadly the outcome is exactly the opposite. Reach for the higher order bit.

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The How-To Guide for Cleaning and Preparing Data for Analysis

Juice Analytics

We call them measures (variables that you add up, average, or are otherwise used for calculations) or dimensions (variables that can be put into buckets or describe the things in the rows). Test the formula on 20-30 rows in the new column to make sure it is giving you the result you want. Next, find the columns that have measures.

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12 Marketing Reports Examples You Can Use For Annual, Monthly, Weekly And Daily Reporting Practice

datapine

Management thinker Peter Drucker once stated, “if you can’t measure it, you can’t improve it” – and he couldn’t be more right. If it has been optimized for SEO though, you shouldn’t stop measuring it after the first week, as it needs a couple of months to reach its “cruising traffic”, and you can get several thousands of monthly visits.

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Data scientist as scientist

The Unofficial Google Data Science Blog

The beliefs of this community are always evolving, and the process of thoughtfully generating, testing, refuting and accepting ideas looks a lot like Science. As you can see from the tiny confidence intervals on the graphs, big data ensured that measurements, even in the finest slices, were precise.

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Web Analytics 101: Definitions: Goals, Metrics, KPIs, Dimensions, Targets

Occam's Razor

The post will end with a Web Analytics Measurement Framework. Point of confusion: Many web analytics tools, like Google Analytics , have a feature that encourages you to measure Goals. It is possible that some Analytics Tool Goals directly measure your business objectives or goals. Web Analytics Measurement Framework.

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Simplify Online Analytical Processing (OLAP) queries in Amazon Redshift using new SQL constructs such as ROLLUP, CUBE, and GROUPING SETS

AWS Big Data

You can remove this filter in your test to view data for all regions. You can remove this filter in your test to view data for all regions GROUP BY GROUPING SETS((region_nm, nation_nm), (region_nm), (nation_nm), ()) ORDER BY region_nm; You can rewrite the preceding CUBE query using GROUPING SETS.