Median life expectancies
In the next exercise, you will create a cumulative time series of the median housing price index in each region. In order to do this, you must first calculate the median housing price index in each year for each region.
Use the dplyr
package to complete this task.
Cet exercice fait partie du cours
Intermediate Interactive Data Visualization with plotly in R
Instructions
- Find the median housing price index (
house_price
) for eachregion
within eachyear
usinggroup_by()
andsummarize()
. - Name the new variable
median_hpi
.
Exercice interactif pratique
Essayez cet exercice en complétant cet exemple de code.
# dplyr has already been loaded
# Find median life HPI for each region in each year
us_economy %>%
___(___, ___) %>%
___(___ = ___(___))