- [Voiceover] When we're looking at data sources,…the easiest first place to start is existing data sets.…Conceptually, the easiest way to do this…is with in-house data, also in terms of existing data,…there's open data and there's third-party data.…I'll talk about the pros and cons of each of these briefly.…In-house data can be fast and easy…because it's already there.…It might be in the proper format and,…it you're lucky, it's documented properly.…On the other hand, in-house data may not be subject…to the kind of quality control that data that's…intended for other people might have.…
Also, there might be restrictions or policies…on the data use even within a particular organization.…So, let's look at some of the pros…and cons of in-house data.…The first pro is potentially it's very quick, easy, and…should be free because you're within the same organization.…If you're lucky, there's standardized formatting that…the organization has instituted, rules or policies…about this is the way we do it.…Also, if you're very lucky, the original team that gathered…
- Assess the skills required for a career in data science.
- Evaluate different sources of data, including metrics and APIs.
- Explore data through graphs and statistics.
- Discover how data scientists use programming languages such as R, Python, and SQL.
- Assess the role of mathematics, such as algebra, in data science.
- Assess the role of applied statistics, such as confidence intervals, in data science.
- Assess the role of machine learning, such as artificial neural networks, in data science.
- Define the components of effective data visualization.
Skill Level Beginner
1. What Is Data Science?
2. Fields of Study
Ethical issues2m 39s
4. Data Sources
5. Data Exploration
8. Applied Statistics
9. Machine Learning
Next steps2m 17s
- Mark as unwatched
- Mark all as unwatched
Are you sure you want to mark all the videos in this course as unwatched?
This will not affect your course history, your reports, or your certificates of completion for this course.Cancel
Take notes with your new membership!
Type in the entry box, then click Enter to save your note.
1:30Press on any video thumbnail to jump immediately to the timecode shown.
Notes are saved with you account but can also be exported as plain text, MS Word, PDF, Google Doc, or Evernote.