Ch.10W: Basic regression analysis Flashcards
1
Q
What is an characteristic of time series data that distinguishes from cross-sectional data?
A
temporal ordering. and time series data is more subtle.
2
Q
Why do we consider OLS estimators to be random variables?
A
OLS estimates computed from different random samples will differ
3
Q
What is a sequence of random variables indexed by time called?
A
A stochastic process / a time-series process
4
Q
What does stochastic mean?
A
Random
5
Q
What is a realization?
A
One possible outcome
6
Q
A
