- If a researcher collects more data or tries different analyses just to achieve statistical significance, this is known as
- 4 Kindergarten classes at 2 elementary schools from the same school district could be an example of ____
- For a simple regression output, if b=2, then for every unit of IV, the DV ___
- Use ____ for comparing linear to linear + quadratic model
- What type of lasso regression is this?
- What method uses penalized deviance minimization?
- Using a very large set of predictors in a regression model will likely lead to
- Which of the following is the most useful type of series for modeling?
- Use the output from the code below to answer the following question.> Baicc["SIDNEY_CROSBY"]SIDNEY_CROSBY 0.4131174 > exp(Baicc["SIDNEY_CROSBY"])SIDNEY_CROSBY 1.511523Which of the following statements is correct?
- To compare model 1 vs model 2, use the ____ test of modeled fit
- How many coefficients are in the model at the end of the lasso path?
- What is a drawback of increasing B, the number of bootstrap samples, in a bootstrap?
- If you have taken the log of the response variable in regression and use the regression to make a prediction, it's important to ___________________________ .
- Which of the following mimics an out-of-sample (OOS) experiment?
- The correlation of data with a lagged version of itself is called
- What are the 2 types of frequentist standard errors we learned?
- If your sample size is n=250, what is the approximate shape of the distribution for the sample mean?
- A CV lasso was run on the hockey data. Use the plot below to answer the questions that follow.What does the left vertical dashed line represent?
- Suppose you have a time series model and the lag1 coefficient is β
- Which of the following is the correct interpretation for PPV (positive predictive value) of a medical test for COVID?