k	dt	v
a	2001-02-03 00:00:00	0
a	2001-02-03 00:00:01	1
a	2001-02-03 00:00:02	2
a	2001-02-03 00:00:03	3
a	2001-02-03 00:00:04	4
b	2001-02-03 00:00:00	0
b	2001-02-03 00:00:01	1
b	2001-02-03 00:00:02	2
b	2001-02-03 00:00:03	3
b	2001-02-03 00:00:04	4
b	2001-02-03 01:00:00	5
b	2001-02-03 01:00:01	6
b	2001-02-03 01:00:02	7
b	2001-02-03 01:00:03	8
b	2001-02-03 01:00:04	9
k	movingSum(v)
String	Array(UInt64)
a	[0,1,3,6,10]
b	[0,1,3,6,10,15,21,28,36,45]
k	movingSum(3)(v)
String	Array(UInt64)
a	[0,1,3,6,9]
b	[0,1,3,6,9,12,15,18,21,24]
k	movingSum(v)
String	Array(UInt64)
a	[0,1,3,6,10]
b	[0,1,3,6,10,15,21,28,36,45]
k	movingSum(v)
String	Array(UInt64)
a	[0,1,3,6,10]
b	[0,1,3,6,10,15,21,28,36,45]