vocab
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| extrapolation | although linear models provide an easy way to predict values of y for a given value of x, it is unsafe to predict for values of x far from the ones used to find the linear model equation, predictions should not be trusted
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| outlier | any data point that stands away from the others can be called an outlier; an have a large residual or high leverage
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| leverage | data points whose x values are far from the mean of x are said to exert leverage on a linear model; high leverage points pull the line close to them
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| influential point | omitting a point from the data results in a very different regression model then that point is called an influential point
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| lurking variable | a variable that is not explicitly part of a model but affects the way the variable in model appear to be related is called lurking variable;
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To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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