Examine the built-in dataset co2. Which of the following is true: * co2 is tidy data: it has one year for each row co2 is not tidy: we need at least one column with a character vector. co2 is not tidy: it is a ...

1.One ball will be drawn at random from a box containing: 3 cyan balls, 5 magenta balls,and 7 yellow balls. What is the probability that the ball will be cyan? * Option: 0.2 0.8 0.4 0.6 2.What is the probability that the ball will not be cyan? * Option: 0.8 0.2 0.4 0.6 3.Instead ...

If you try to recover the value of a variable that is not in yourworkspace, you get an option to recover it froom environment get an error have to create a new one Any of above

Pie charts are appropriate: * When we want to display percentages When ggplot2 is not available Never. Barplots and tables are always better. When I am in a bakery.

p+geom_point(aes(population/10^6, total)) +geom_text(aes(population/10^6, total, label = abb)) What is this piece code do? Create a plot Create a geometric text Create a geometric layer Create a geometric point

1. Import the dataset by pop up the location path. 2. Stored into variable data 3. Check the how many rows and columns with datatype. 4. Check all the name of columns 5. Find out the first 15 entries with column names university, country, ...