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Data

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by

Chris Jones

on 17 May 2017

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Transcript of Data

Let's look at the
survey results

What is Data?
Data is a collection of facts or information such as numbers, measurements, observations or a even just a description of things
Qualitative
Data that is
descriptive
but does not measure things
Quantitative
Used to
measure
and can be written down in numbers
Types of Quantitative Data
Discrete - whole numbers (counted)
Meet Data the dog...
Qualitative
Types of data
Chris Jones
@vizraider

Data Analytics
How would you answer these questions about the survey results?
How many girls in 4th grade completed the survey?
How can we visualize the data?
Continuous - numbers in a range (measured)
He is brown and white
Quantitative
He has 4 legs (discrete)
He weights 14.5 lbs (continuous)
He has a red collar
He has lots of energy
How many different flavors of ice cream are favorites?
Which TV Show received the most votes?
How many girls like football?
What is the 3rd most popular activity among boys?
How many 10 year old boys in Mrs. Maddox's class like cookies & cream ice cream, the color green and
The Avengers
?
Position
Size
Length
Shape
Color
Intensity
* To help you remember, think "
Quantit
ative is about
Quantity"
Now that we know the concepts of data visualization what are the tools?
Charts and Graphs!
About Me
I am a Data Analytics Engineer at ExxonMobil
I love DATA!
Bar Chart
Compare values based on the length of the bar
Visual Elements - Length, Position & Color
Line Chart
Show data over time
Visual Elements:
Position, Color
Dimension
Measure
I analyze data to answer questions
Heatmap
Compare values in a range from highest to lowest
Visual Elements: Intensity, Position
Bubble Chart
Show relative size between items
Visual Elements: Size, Color, Intensity
Scatter Plot
Compare the relationship of two different measures
Visual Elements: Position, Color, Shape
Pie Charts
Show proportion or percentages
How big is one item compared to others
I like donuts
better!
Visual Elements: Color, Size, Position
Treemap
Parts to whole of hundreds or thousands of items
Visual Elements:
Size
Color
Position
Maps
Plot geographical information
Visual Elements:
Intensity
Combine the chart types to show more information!
Word Cloud
Show relative size between different words based on usage
Visual Elements: Size and Color
Full transcript