November 2017
Beginner to intermediate
366 pages
7h 59m
English
Content preview from R Data Analysis Projects
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DSD as a static simulator
As a simulator DSD can simulate static streams as well as streams with drift. In cases where we are developing algorithms to work on streaming data, we can use this simulator feature effectively.
Let us see how DSD can be leveraged as a data simulator:
> library(stream, quietly = TRUE)> set.seed(100)> gaussian.stream <- DSD_Gaussians(k = 3, d = 3, noise = .01)> gaussian.streamMixture of GaussiansClass: DSD_Gaussians, DSD_R, DSD_data.frame, DSD With 3 clusters in 3 dimensions > > data <- get_points(gaussian.stream, n = 100, class = TRUE)> head(data) X1 X2 X3 class1 0.3431437 0.4621701 0.4151013 22 0.6684551 0.4715456 0.4162625 33 0.2367551 0.3512569 0.7573724 14 0.4465450 0.5563404 0.4582585 25 0.3563359 0.5492573 ...
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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.