Journey
Data scientists are able to find ______, _________, and _____ in unstructured
data.
order, meaning, and value
What is involved in the planning phase?
1. Defining goals
2. Organizing resources
3. Coordinate people
4. Schedule project
What is involved in the wrangling phase?
5. Get data
6. Clean data
7. Explore data
8. Refine data
What is involved in the Modeling phase?
9. Create model
,10. Validate model
11. Evaluate model
12. Refine model
What is involved in the Applying phase?
13. Present model
14. Deploy model
15. Revisit model
16. Archive assets
____________________ are programming languages that are very frequently
used for data manipulation and modeling.
Python or R
___________ are general-purpose languages that are used for the back end,
the foundational elementsterm-26 of data science, and they provide
maximum speed.
C, and C++, and Java
____________________ is a language for working with relational databases to do
queries and data manipulation.
SQL
,What does SQL stand for?
structured query language
This is where you actually create the statistical model and you do the linear
regression. You do the decision tree. You do the deep learning neural
network.
Modeling
These are the developers, and the system architects, the people who focus
on the hardware and the software that make data science possible
Data engineers
This is the phase of collecting data.
Data acquisition
Which phase? - Working with stakeholders to help them ask better questions
so that both they and you understand the outcome.
Discovery
What are the 4 parts of data analytics cycle?
Planning, Wrangling, Modeling and Applying
, This phase is also known as the discovery phase. During this phase, an
analyst defines the major questions of interest that need to be answered,
understand the needs of the stakeholders, and assess the resource
constraints in the project.
Business understanding
____________________ is the person who champions the vision of the project
and has the authority to allocate resources.
The project sponsor
__________________ is responsible for making sure things get done on time and
within budget and removes roadblocks.
Project manager
___________ is when new requirements are added to the project that increases
the time/resources needed to complete it.
Scope creep
What are the 3 types of analysis?
Descriptive, Predictive, Prescriptive