Inference with and without outlier (t-test)
Not only can one point change the estimated regression line, but it can also change the inferential analysis.
The datasets with and without the outlier are provided as hypdata_outlier and hypdata_no_outlier respectively.
Latihan ini adalah bagian dari kursus
Inference for Linear Regression in R
Petunjuk latihan
- Run a linear regression of
responsevs.explanatoryonhypdata_outlier, and extract the coefficient-level information. - Do the same for
hypdata_no_outlier. - Look at the output. How do the coefficients and p-values differ?
Latihan interaktif praktis
Cobalah latihan ini dengan menyelesaikan kode contoh berikut.
# Model response vs. explanatory on hypdata_outlier and tidy it
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# Do the same on hypdata_no_outlier
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