Get invited to our slack community and get access to opportunities and data science insights

popcnt

popcnt(a [, b]) – Returns a popcount value

select
popcnt(3),
popcnt(“3”), — 3=0x11
popcnt(array(1,3));

2 2 3

Platforms: WhereOS, Spark, Hive

Class: hivemall.knn.distance.PopcountUDF

More functions can be added to WhereOS via Python or R bindings or as Java & Scala UDF (user-defined function), UDAF (user-defined aggregation function) and UDTF (user-defined table generating function) extensions. Custom libraries can be added on via Settings-page or installed from WhereOS Store.

View the complete guide of WhereOS functions.

share:

No Comments

TAGS : hive spark sql

popcnt

Related Post

udfarrayconcat

vector_dot_product

sketch_set

Leave a Comment Cancel reply

Articles by Category

Recent Posts

How WhereOS and JCDecaux

Data fusion: how integra

percentile_approx

Experimentation In Produ

Open Data Utilization

WhereOS

Navigation

Contact Us