About data

Check number of missing values

The table below shows number of missing values by ski areas and by activity type.

## # A tibble: 4 x 12
## # Groups: Type [4]
##   Type   Bret~ Cran~ Dart~ East~ Guns~ Jack~  Loon Pats~ Ragg~ Suna~ Wate~
##   <fctr> <int> <int> <int> <int> <int> <int> <int> <int> <int> <int> <int>
## 1 alpine     2     2     2     0     2     0     2     2     2     2     2
## 2 nonSki     4     2     0    16     2    15     2     2     4     6     8
## 3 nordic     2     0     0     2     2     2     2     0     0     0     2
## 4 summer     9     2     8     0     2     0     2     2     2     2     2

Overall trend

Trend in Winter Visitation

Trend in Summer Visitation

Contribution of Summer Visitors

What did we learn