शुरू करेंमुफ़्त में शुरू करें

Rearranging with select() and last_col()

You can also use last_col() with : to organize the last few columns in your data. Work with the select() function to match the ordering of the imf_data shown. Note that this ordering is different than what you saw in the previous exercise.

यह अभ्यास पाठ्यक्रम का हिस्सा है

Programming with dplyr

पाठ्यक्रम देखें

अभ्यास निर्देश

  • Choose columns iso through year.
  • Then, match for columns starting with "gov" using regular expressions.
  • Finally, have your remaining columns ordered as gdp_in_billions_of_usd to the last column.

इंटरैक्टिव व्यावहारिक अभ्यास

इस अभ्यास को इस नमूना कोड को पूरा करके आज़माएँ।

imf_data %>% 
  select(
    # Choose columns iso to year
    ___,
    # Choose columns starting with "gov" using regular expression
    ___,
    # Keep remaining columns too
    ___) %>% 
  names()
कोड संपादित करें और चलाएँ