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How are operators applied?
Operators are applied left to right, except for exponentation
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How do you write new line/enter in a string?
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How is a list denoted and is it mutable or immutable?
- [1,2,3]
- mutable, it can be changed
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How is a tuple denoted, and is it mutable or immutable?
- (1,2,3)
- immutable, can not edit
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Is the y a copy or a reference of x?
A reference. It will always represent what x is, even if x is later changed
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Is the y a copy or a reference of x?
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What are two ways to continue long lines of code (moving it to cover multiple lines, instead of one long line)?
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What are two major ways to do an operation on a variable/object?
- *for the methods, .pop modifies the original list and popped something out
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Markdown syntax for:
plain text
new line
new paragraph
italics
bold
strikethrough
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How would you indicate bold and italics in markdown?
*_ _ bolditalics _ _ * = bolditalics
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How do you create table of contents sort of headers in markdown?
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How do you create a reference link in markdown?
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How would you create a general link in markdown?
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How would you link an image in markdown?
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What is a module?
A collection of (related) definitions and statements that are grouped together in a single file (a .py file)
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Why is important to set a seed when using the import module?
Anytime you are dealing with random number generation, we are not truly getting random numbers out. There is an algorithm underneath creating the values, so at any specific starting point the algorithm will always produce the same values. You get more pseudo-randomness by setting the seed.
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In longform data, what are rows and columns otherwise known as?
- rows= observations
- columns= variables
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What are the four major goals when using data?
- 1) Description
- 2) Inference
- 3) Prediction/Classification
- 4) Pattern finding
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What is supervised learning?
- A variable (or variables) represents an output or response of
- interest:
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What is statistical learning?
Inference, prediction/classification, and pattern finding. Classified into two groups: supervised learning and unsupervised learning
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What is unsupervised learning?
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What are ways to handle errors in code?
Try/Except
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How do you create your own method to handle errors in code?
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