Econometrics Questions
Explore questions in the Econometrics category that you can ask Spark.E!
Which type of coding: for categorical variables, each group compared to a grand mean (mean of all groups aka y intercept); care about what sample size is
Purpose of centering (change 0 point by subtracting mean from mean of column)
For regression equation, Y = b0 + b1x1 + u0 + u1 + e1What are the random effects?
The dependent variable is also called the __________ variable.
Which of the following is a pre-specified cut-off to determine statistical significance for a hypothesis test?
What is the main advantage of using a Mixed Effects Model to study change over time?
Bivarite data is typically represented with a ____________________ plot.
Medication and pain is an example of a _______________ association.
For sequential (hierarchical) entry method, decide on entering predictors into the regression equation based on _____
In a scatter plat the x-axis is the _________ variable and the y-axis the ______ variable.
For AIC/BIC, the _____(lower/higher) the # the better
If the model doesn't converge, could try removing a component of the ___ model
Data Consisting of two variables, an explanatory and a response variable, usually quantitative.
If you're doing a regression and there's an interaction, the effects are ____ rather than main effects
A cause and effect relationship in which one variable controls the changes in another variable.
A variable (often denoted by y ) whose value depends on that of another. The measurable effect, outcome, or response in which the research is interested.
True or False. Some times out labeling of x and y-axes is arbitrary because both variables are interdependent for example tree height and girth.
A characteristic of TICs, Time-Invariant Covariates, in longitudinal studies is that it....
MCAR vs MAR vs MNAR - which is biased and reflects a systematic reason data is missing
Do you center for categorical variables?