September 2018
Beginner to intermediate
340 pages
7h 29m
English
Content preview from IBM Watson Projects
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Data review
When you have successfully loaded your data into Watson Analytics, you should review it and assess its quality.
The IBM Watson Analytics documentation describes data quality as:
Data quality assesses the degree to which a data set is suitable for analysis. A shorthand representation of this assessment is the data quality score. The score is measured on a scale of 0-100, with 100 representing the highest possible data quality.
Further:
The data quality score for a data set is computed by averaging the data quality score for every column in the data set. Several factors affect the data quality score for an individual field or column.
The factors that can affect the data quality score include:
- Missing values: Records for which no ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.