Challenge #88: Counting Combinations

[NhungLe]

#88

[CeliaC_Silje]

Spoiler

[mindyzhang99]

My Try

[bkclaw113]

I went a little into left field on this one. 

Spoiler

Identify the unique items (16), then assign each a value as successive powers of 2 (1,2,4,8, etc..)
Summarize the integer value of the order and aggregate on the sum

[dougbaron]

another easy peezy

Spoiler

[PrachiD]

data prep, transform

[hharris0411]

Spoiler

[mdm]

Spoiler

Here's my solution.

[Hammad_Rashid]

[Arjunmarwaha09]

Spoiler

Here's mine for challenger -88