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Chart Snapshot: Box-Percentile Plots

The Data Visualisation Catalogue

Banfield in their 2003 paper The Box-Percentile Plot. Box-Percentile Plots display the same summary statistics as regular Box Plots (median, quartiles, minimum, and maximum), but instead use line markers on a density/distribution shape to indicate their location. Esty and Jeffrey D.

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The trinity of errors in applying confidence intervals: An exploration using Statsmodels

O'Reilly on Data

We develop an ordinary least squares (OLS) linear regression model of equity returns using Statsmodels, a Python statistical package, to illustrate these three error types. CI theory was developed around 1937 by Jerzy Neyman, a mathematician and one of the principal architects of modern statistics. and an error term ??

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Materialized Views in Hive for Iceberg Table Format

Cloudera

We ran the ANALYZE command to gather both table and column statistics on all the base tables. year_total_mv1 ]) The above CBO (cost based optimizer) plan shows that only the year_total_mv1 materialized view is scanned and a filter condition applied since the range filter in the query is a subset of the range in the materialized view.

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Big Data Creates Massive Changes for the Game of Golf

Smart Data Collective

In 2003, a development that triggered the revolution of data happened when CDW partnered with PGA Tour with a ball-tracking system that is more advanced, known as ShotLink. Some companies provide golfers with smartwatches to track every shot hit and their location and also help them to get all their statistics in real-time.

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Humans-in-the-loop forecasting: integrating data science and business planning

The Unofficial Google Data Science Blog

With those stakes and the long forecast horizon, we do not rely on a single statistical model based on historical trends. Figure 2: Forecast triangulation Integrating customer forecasts with statistical forecasts In strategic forecasting, the proposed forecast may rely partially on forecasts or assumptions not owned by the data scientist.

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How to use Netezza Performance Server query data in Amazon Simple Storage Service (S3)

IBM Big Data Hub

To make it easy for clients to understand how to utilize this capability within NPS, a demonstration was created that uses flight delay data for all commercial flights from United States airports that was collected by the United States Department of Transportation (Bureau of Transportation Statistics).

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Per Scholas redefines IT hiring by diversifying the IT talent pipeline

CIO Business Intelligence

When CEO Plinio Ayala joined Per Scholas in 2003, he noticed there weren’t enough skilled technicians to fix the hardware the organization collected. It was just talking about how computers work and the theory of code and the theory of statistical analysis and how best to write your code,” says Wilson.

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