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Section 4.6 Key Takeaways
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To create data frames in R, use the data.frame command.
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To merge data in R, you can:
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Use pivot_longer() to turn wide formatted data into long format
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Use pivot_wider() to turn long formatted data into wide format
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Just because the means/averages of two variables are different does not mean that they are statistically different.
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To check to see if the difference between two means is statistically significant, perform a t.test using the
t.test() command
