Data Science
What is Data Science?
Data Science is the process of learning about the world using data and computation
How many types of questions are there that we discussed in class?
4
What is data visualization?
Using charts, graphs, or images to visualize complex data
What is data?
Data is information that is in computer readable from.
_________ _____ provide ways to search, filter, store, and visualize data
Computing Tools
What all is included with Data Science?
Creating Data Visualizations
Using Statistics
Exploring Data Sets
Making predictions
What is a Statistical Question?
Are questions that could have a variety of different answers
Why should we Visualize Data?
It is easier to understand data and extract useful information from data when it is in visual form.
Once data is structured in a _______ way, we can write programs to store, process, manipulate, and visualize the data!
uniform
What are computing tools?
Computing tools extract useful information and gain knowledge.
________ can be misleading by skewing the axes or labels, or leaving out relevant data
Visualizations
What is a lookup question?
A lookup question can be answered by looking up a single value in a dataset.
What are some examples of fields that are affected with visualizing data?
Science
Government
Sports
Agriculture
Music
Economics
Medicine and disease
Why is data relevant?
Data and information facilitate the creation of knowledge.
How is data stored?
with local disk memory,
databases, and
encrypted, if it is sensitive data.
What does Database query languages allow us to do?
ask a database for the data we want in our programs
What is a compute question?
can be answered by computing an answer using more than one value found in a dataset
Provide three examples of how we can visualize data?
Tables, Pie Chart, Flow Chart, Bar Chart, Histogram
Data + Computation =
Knowledge
What is data sanitation?
Data sanitation is throwing out data that is not well formatted
What data is easier to visualize?
Numbers
What is a relate question?
A relate question requires finding a possible relationship between more than one value
People have been using pictures to understand data for centuries. Including:________
Maps in the 17th century
Invention of the pie chart in the 19th century
What are some ways Data is Collected?
surveys
sensors
crowdsourcing data
transactional data from credit cards
Lookup questions are qualified as statistical questions.
True or False
False