December 2017
Beginner to intermediate
500 pages
12h 10m
English
book
Learning Pentaho Data Integration 8 CE - Third Edition
by Dan Keeley, Diethard Steiner, María Carina Roldán, Miguel Gaspar, Pablo Castagnaro, Paula Clemente, Paulo Alexandre de Oliveira Rodrigues Pires
Content preview from Learning Pentaho Data Integration 8 CE - Third Edition
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Doing some math with Numeric fields
Some of the steps presented for string operations are also suited for some math. Calculator is the first step you should look for if you intend to do simple operations, for example, addition, subtraction, division, percentage, among others.
For math operations, there is also the Formula step. The advantage of Formula compared to Calculator is that you can state more elaborated expressions that contain logical, mathematical, and relational operators. Among the available functions, there are some statistical options such as MAX, MIN, and Average.
As an example of how to use a Formula step, suppose that you have three Integer fields named a, b, and c and you want to create a new field as follows: If all the ...
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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.