1d Three types of DS jobs

1. machine learning

1.1. ML engineer develops ML models and puts them into production, where they run continuously

1.2. work is primarily for machine consumption

1.3. closer to SW engr than other DS roles

2. related jobs

2.1. BI analyst

2.1.1. choice tool is Excel, not Python

2.1.2. less sophisticated output

2.2. data engineer

2.2.1. keeping data maintained in databases

2.2.2. ensuring people get the data they need

2.3. research scientist

2.3.1. implements new tools, algorithms, methodologies

2.3.2. often to be used by other data scientists

2.3.3. almost always require PhD

3. analytics

3.1. analyst creates dashboards and reports that deliver data

4. decision science

4.1. decision scientist turns data into information that helps company make decisions

4.2. math and stat methods, and business decision-making

4.3. experimentation analytics system

5. Choosing your path

5.1. "Where do you already have experience?"

5.2. job-seeking tips

5.2.1. less attn to titles

5.2.2. more attn to job descriptions and interview questions

5.2.3. backgrounds of people in DS roles