K
HyperLogLogPlusPlus
Kurtosis
aggregate
key
GetMapValue
keyArray
UnsafeMapData
ArrayBasedMapData
MapData
keyDeserializer
CoGroup
FlatMapGroupsInR
MapGroups
keyType
MapType
keyValueDelim
StringToMap
keys
CreateMap
kryo
Encoders
DecodeUsingSerializer
EncodeUsingSerializer