July 2016
Intermediate to advanced
392 pages
9h 38m
English
Content preview from Smarter Decisions - The Intersection of Internet of Things and Decision ScienceBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Exploratory Data Analysis and Feature Engineering
We will now focus on diving deep into the data and performing exploratory data analysis. The following code downloads the data from my public Git repository and creates a data frame. We'll start by exploring the data at a high level:
>#Read Solar Panel IoT use case CSV data from public repository >url<-"https://github.com/jojo62000/Smarter_Decisions/raw/master/Chapter%206/Data/Final_SolarData.csv" >#Load the data into a dataframe >data<-read.csv(url) >#Check the dimensions of the dataframe >dim(data) [1] 119296 23 >#Take a glimpse into each column of the dataframe >str(data) 'data.frame': 119296 obs. of 23 variables: $ location : Factor w/ 1 level "Peru": 1 1 1 ... $ date_time : Factor w/ 119308 ...
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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.