why this code not showing any request?flights_sml <- select(flights, year:day, ends_with("delay"), distance, air_time)

[pavankumarmechineni]

flights_sml <- select(flights, year:day, ends_with("delay"), distance, air_time)

flights_sml <- select(flights, year:day, ends_with("delay"), distance, air_time) mutate(flights_sml, gain = dep_delay - arr_delay, speed = distance/air_time * 60)

A tibble: 336,776 × 9

year month   day dep_delay arr_delay distance air_time  gain speed

1 2013 1 1 2 11 1400 227 -9 370. 2 2013 1 1 4 20 1416 227 -16 374. 3 2013 1 1 2 33 1089 160 -31 408. 4 2013 1 1 -1 -18 1576 183 17 517. 5 2013 1 1 -6 -25 762 116 19 394. 6 2013 1 1 -4 12 719 150 -16 288. 7 2013 1 1 -5 19 1065 158 -24 404. 8 2013 1 1 -3 -14 229 53 11 259. 9 2013 1 1 -3 -8 944 140 5 405. 10 2013 1 1 -2 8 733 138 -10 319.

ℹ 336,766 more rows

ℹ Use print(n = ...) to see more rows

flights_sml <- select(flights, year:day, ends_with("delay"), distance, air_time)