14 |
Good days and bad days
|
hard
|
|
2.3
|
15 |
Fast movie watchers vs slow watchers
|
hard
|
|
2.3
|
32 |
Unpopular movies
|
hard
|
|
2.3
|
41 |
Productive actors vs less-productive actors
|
hard
|
|
3.2
|
45 |
Movie inventory optimization
|
hard
|
|
3.2
|
53 |
Movie groups by rental income
|
hard
|
|
3.2
|
58 |
Percentage of revenue per movie
|
hard
|
|
4.1
|
60 |
Movie rentals and average rentals in the same category
|
hard
|
|
4.1
|
61 |
Customer spend vs average spend in the same store
|
hard
|
|
4.1
|
63 |
Top 5 customers by store
|
hard
|
|
4.2
|
64 |
Top 2 films by category
|
hard
|
|
4.2
|
68 |
Spend difference between first and second rentals
|
hard
|
|
4.4
|
69 |
Number of happy customers
|
hard
|
|
4.4
|
73 |
Number of days to become a happy customer
|
hard
|
|
4.2
|
74 |
The most productive actors by category
|
hard
|
|
4.2
|
79 |
Spend difference between the last and the second last rentals
|
hard
|
|
4.4
|
80 |
DoD revenue growth for each store
|
hard
|
|
4.4
|
85 |
Top 4 queries based on click through rate on new year's day
search engine
|
hard
|
|
2.2
|
95 |
Candidate products for subscription
amazon
|
hard
|
|
2.2
|
102 |
Histogram by visit session duration
mobile
|
hard
|
|
2.3
|
105 |
Number of days gap between last two actions
mobile
|
hard
|
|
4.2
|
108 |
Free premium membership
amazon
|
hard
|
|
4.1
|
115 |
Rolling average revenue
amazon
|
hard
|
|
4.1
|
118 |
Daily bookings in the US
airbnb
|
hard
|
|
3.2
|
119 |
Top 2 countries by bookings
airbnb
|
hard
|
|
4.2
|
120 |
First ever booking
airbnb
|
hard
|
|
4.2
|
121 |
Week over week change of first ever bookings
airbnb
|
hard
|
|
4.4
|
122 |
Top country by wow growth
airbnb
|
hard
|
|
4.2
|
126 |
Top 3 restaurants
uber
|
hard
|
|
2.1
|
127 |
Average rating after 10th trip
uber
|
hard
|
|
4.2
|
131 |
Churned accounts
affirm
|
hard
|
|
2.3
|
140 |
Daily sales of restaurant 100011
doordash
|
hard
|
|
3.2
|
141 |
Cumulative sales of restaurant 100011
doordash
|
hard
|
|
4.1
|
145 |
Returning customers after first buy
afterpay
|
hard
|
|
4.2
|
147 |
2 days streak customers
social
|
hard
|
|
4.4
|
156 |
Cancellation rate by unbanned users
lyft
|
hard
|
|
2.3
|
160 |
Sellers with no sales by day
ebay
|
hard
|
|
2.3
|
165 |
Session stitching
walmart
|
hard
|
|
4.2
|
172 |
Comments distribution
social
|
hard
|
|
3.2
|
180 |
Members moved from Microsoft to Google directly.
linkedin
|
hard
|
|
4.4
|
188 |
Top 1 popular question by department
google
|
hard
|
|
4.2
|
190 |
Twitter campaign spend report
twitter
|
hard
|
|
2.2
|
195 |
MoM user growth
snap
|
hard
|
-
|
4.4
|
196 |
User segments report
snap
|
hard
|
-
|
2.2
|
199 |
Students improvement
snap
|
hard
|
-
|
4.4
|
212 |
Top issuing bank by category
visa
|
hard
|
-
|
2.1
|
214 |
D30 retention rate
gaming
|
hard
|
-
|
2.2
|
215 |
Monthly active users
gaming
|
hard
|
-
|
2.2
|
216 |
Highest spender
gaming
|
hard
|
-
|
2.2
|