Knowledge quiz

It's time to put what you've learned to the test, get 2 right to pass this unit.

1.

为什么在 R 代码中对 R 可视化对象使用以下内容? PowerConsumption$Time ﹤- as.POSIXct(PowerConsumption$Time, tz="", format="%b %d, %Y %I:%M:%S")

Choose the correct answer.
2.

在 R 脚本编辑器中,哪个按钮可将 R 可视化对象添加到你的故事中?

Choose the correct answer.