Github user srowen commented on a diff in the pull request:
https://github.com/apache/spark/pull/16013#discussion_r89686342
--- Diff: mllib/src/main/scala/org/apache/spark/mllib/fpm/PrefixSpan.scala
---
@@ -366,13 +366,13 @@ object PrefixSpan extends Logging {
* Items are represented by positive integers, and items in each itemset
must be distinct and
* ordered.
* we use 0 as the delimiter between itemsets.
- * For example, a sequence `<(12)(31)1>` is represented by `[0, 1, 2, 0,
1, 3, 0, 1, 0]`.
- * The postfix of this sequence w.r.t. to prefix `<1>` is `<(_2)(13)1>`.
+ * For example, a sequence <(12)(31)1> is represented by `[0, 1,
2, 0, 1, 3, 0, 1, 0]`.
+ * The postfix of this sequence w.r.t. to prefix <1> is
<(_2)(13)1>.
* We may reuse the original items array `[0, 1, 2, 0, 1, 3, 0, 1, 0]`
to represent the postfix,
* and mark the start index of the postfix, which is `2` in this example.
* So the active items in this postfix are `[2, 0, 1, 3, 0, 1, 0]`.
* We also remember the start indices of partial projections, the ones
that split an itemset.
- * For example, another possible partial projection w.r.t. `<1>` is
`<(_3)1>`.
+ * For example, another possible partial projection w.r.t. <1> is
<(_3)1>.
--- End diff --
I would just remove the angle brackets. I don't see that they add anything.
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