D204: The Data Analytics Journey
Questions and Answers 100% Pass
Data scientists are able to find ______, _________, and _____ in unstructured data. ✔✔order,
meaning, and value
What is involved in the planning phase?
...
D204: The Data Analytics Journey
Questions and Answers 100% Pass
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
[Show More]