April 2019
Intermediate to advanced
254 pages
5h 51m
English
Content preview from Hands-On Machine Learning with Microsoft Excel 2019
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Calculating the Mean Squared Error (MSE)
MSE takes the average of the square of the difference between the actual values and predicted values:
No matter what evaluation method we choose, it is extremely important to take into account the business part of the problem. The optimal solution is not always to have the most accurate model, but the one that better satisfies your business needs. It may be the case that a not-so-accurate model that can be built quickly is better than a perfect one that takes a year to produce. Taking into account the dataset imbalance and business needs is important for fine-tuning the model in order to improve the ...
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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.