November 2017
Beginner
316 pages
6h 40m
English
Content preview from Learning Julia
Become 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,
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.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.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.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.
Basic statistics using DataFrames
We have studied what DataFrames are and how they can be created in the previous topics. DataFrames can hold extra information about data and hence they prove to be very efficient while describing a data set:
julia> dframe = DataFrame(Subjects = ["Maths","Physics","Chemistry"],Marks = [90,85,95]) 3×2 DataFrames.DataFrame │ Row │ Subjects │ Marks │ ├─────┼─────────────┼───────┤ │ 1 │ "Maths" │ 90 │ │ 2 │ "Physics" │ 85 │ │ 3 │ "Chemistry" │ 95 │ julia> describe(dframe) Subjects Summary Stats: Length: 3 Type: String Number Unique: 3 Number Missing: 0 % Missing: 0.000000 Marks Summary Stats: Mean: 90.000000 Minimum: 85.000000 1st Quartile: 87.500000 Median: 90.000000 3rd Quartile: 92.500000 Maximum: 95.000000 ...
Become 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,
and much more.
Read now
Unlock full access
More than 5,000 organizations count on O’Reilly
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.