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* 1. Are you familiar with data importing (readr) and tidying (tidyr)?

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* 2. Are you familiar with data visualization tool ggplot2?

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* 3. Are you familiar with data transformation using dplyr?

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* 4. Are you familiar with date/time manipulation (lubridate), string manipulation (stringr), and webscraping (rvest)?

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* 5. Are you familiar with database interface (DBI, dbplyr)?

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* 6. Are you familiar with interactive data visualization (shiny)?

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