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| Output: 'Now, put an exclamation point (!) before is.na() to change all of the TRUEs to FALSEs and all of the FALSEs to TRUEs, thus telling us what is NOT NA: !is.na(c(3, 5, NA, 10)).' | ||
| CorrectAnswer: "!is.na(c(3, 5, NA, 10))" | ||
| AnswerTests: omnitest('!is.na(c(3, 5, NA, 10))') | ||
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RishavDaredevil
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| Hint: '!is.na(c(3, 5, NA, 10)) will negate the previous command, thus telling us what is NOT NA.' | ||
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| - Class: cmd_question | ||
| Output: 'Okay, ready to put all of this together? Use filter() to return all rows of cran for which r_version is NOT NA. Hint: You will need to use !is.na() as part of your second argument to filter().' | ||
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1 comment
on commit 53dff26
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Still getting the warning on the tbl_df() command and of course if the tibble::as_tibble() it's flagged as an incorrect answer.
If there is someone else who can address this please let me know and I be glad to reach out.
This appears to be the fix to the error I keep getting when I try to load Coursera swirl 'Getting and Cleaning Data/Manipulating Data with dplyr'. How do I make it effective so I can complete the course?
Sincerely, efjacobi