Help requested for analysing batches

BRAD4

New Member
Joined
Feb 26, 2016
Messages
2
Can anyone advise an easy way to analyse the number of "groups" or batches, min batch size, max batch size and average batch size? For example, if you were counting widgets going past you, in colour a, b or c.

Sequence Col Col Col
# a b c
----------------------------
1 a
2 b
3 a
4 a
5 a
6 b
7 b
8 c
9 a
10 a
11 b
12 b
13 c
14 a
15 c

Analysis:
Colour a b c
No of items 7 5 3
No Batches 4 3 3
Ave Batch Size 1.75 1.66 1
Min Batch Size 1 1 1
Max Batch Size 3 2 1

Thanks in advance!
 

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StephenCrump

MrExcel MVP
Joined
Sep 18, 2013
Messages
4,680
Office Version
  1. 365
Platform
  1. Windows
Welcome to the Forum!

Try this:

B18: =COUNTIF($B1:$B15,B17)
B19: =SUMPRODUCT(--($B1:$B15=B17),--($B2:$B16<>B17))
B20: =IFERROR(B18/B19,"N/A")
B21: {=MIN(IF(FREQUENCY(IF($B1:$B15=B17,ROW($B1:$B15)), IF(1-($B1:$B15=B17),ROW($B1:$B15))),
FREQUENCY(IF($B1:$B15=B17,ROW($B1:$B15)),IF(1-($B1:$B15=B17),
ROW($B1:$B15)))))} Array-entered
B22: {=MAX(FREQUENCY(IF($B1:$B15=B17,ROW($B1:$B15)),IF($B1:$B15<>B17,ROW($B1:$B15))))} Array-entered

Excel 2010
ABCD
11a
22b
33a
44a
55a
66b
77b
88c
99a
1010a
1111b
1212b
1313c
1414a
1515c
16
17abc
18Number753
19Batches433
20Av Batch1.751.671.00
21Min Batch111
22Max Batch321

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</thead><tbody>
</tbody>

 
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