how to : create ta of unique field values and count the number of occurances

[Marie Wray]

trying to keep it simple 

1. I have a list of YT Tube Videos, each video has it's own tiddler and tagged as [YTVideo] with some related content.

2. The instructor has organized them into a set of topics

----- I put her topic-names as a user-field called, uhmmmm... playlist

3. I want to create a summary but I get stumped at

3a. Count the number of Unique playlist-values (HELP!!!!)

3b. Count the number of Video-Tiddlers for each playlist (HELP!!!)

I am honestly lost on the second tier filtering.

For the count of unique values is that something I have to nest for?

Any help or examples is appreciated.

MW

[Mat]

To count the number of items in a field you can do

[[mytiddler]get[myfield]enlist-input[]count[]]

the key here is "enlist-input" to split the field value into its separate items

To count a number of tiddlers tagged a certain way, you can do

[all[tiddlers+shadows]tag[mytag]count[]]

<:-)