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Intro to data analytics tools (data structures (List (Heterogeneous,…
Intro to data analytics tools
data structures
Vectors
List
Heterogeneous
Indexed by position
Extract sublist
Elements have names
Scalars
One element vector
Matrices
Vector that has dimensions
Arrays
arrangement of matrices
generalised into n-dimensional structures
Factors
Vector w/ special properties in R
Key:
categorical variables
Key:
Grouping technique
Data Frames
Powerful and flexible
Tabular data structure
basically a list
Probability
Linear regression
logistic regression