Chapter 4 Missing values

Since the data is pre-cleaned before, all the data with missing values are dropped. Therefore, there are only a few missing values in our dataset. We will draw the table for missing data to further prove our conclusion.

##        publisher            appid             name     release_date 
##                2                0                0                0 
##          english        developer     required_age       categories 
##                0                0                0                0 
##           genres    steamspy_tags     achievements positive_ratings 
##                0                0                0                0 
## negative_ratings average_playtime  median_playtime           owners 
##                0                0                0                0 
##            price          windows              mac            linux 
##                0                0                0                0 
##            sales            ratio            money 
##                0                0                0