Hi,
Is there a way i can compute a moving/rolling average in ms access?
I have this excel spreadsheet (see below) and i would like to automate
it in ms access
%Change = (C5-D5)/D5
4WKAvg = SUM(E2:E5)/4
SUM(E3:E6)/4 Please note that the sum
SUM(E4:E7)/4 keeps moving down
1 A B C D E F
2 Type Wk CY LY %Change 4WKAvg
3 Cliff 1 92,694 94,584 -2.00%
4 Cliff 2 95,469 96,933 -1.51%
5 Cliff 3 95,547 93,377 2.32%
6 Cliff 4 91,190 93,670 -2.65% -0.96%
7 Cliff 5 86,484 95,336 -9.29% -2.78%
8 Cliff 6 88,639 96,093 -7.76% -4.34%
9 Cliff 7 87,806 91,529 -4.07% -5.94%
10 Cliff 8 88,304 100,801 -12.40% -8.38%
11 Cliff 9 92,804 87,008 6.66% -4.39%
12 Cliff 10 96,016 90,834 5.71% -1.02%
13 Cliff 11 83,913 90,849 -7.63% -1.92%
14 Cliff 12 85,099 90,501 -5.97% -0.31%
15 Cliff 13 88,120 92,875 -5.12% -3.25%
16 Cliff 14 91,543 95,175 -3.82% -5.63%
17 Cliff 15 87,951 94,230 -6.66% -5.39%
18 Cliff 16 84,613 94,353 -10.32% -6.48%
19 Cliff 17 86,839 95,123 -8.71% -7.38%
20 Cliff 18 92,835 94,459 -1.72% -6.85%
21 Cliff 19 88,335 94,366 -6.39% -6.79%
22 Cliff 20 87,844 92,018 -4.54% -5.34%
23 Cliff 21 85,180 92,309 -7.72% -5.09%
24 Cliff 22 98,069 102,387 -4.22% -5.72%
25 Cliff 23 86,591 91,446 -5.31% -5.45%
26 Cliff 24 88,477 90,901 -2.67% -4.98%
27 Cliff 25 87,011 90,550 -3.91% -4.03%
28 Cliff 26 86,707 92,550 -6.31% -4.55%
29 Cliff 27 90,295 91,558 -1.38% -3.57%
30 Cliff 28 86,512 89,333 -3.16% -3.69%
31 Cliff 29 85,952 88,909 -3.33% -3.54%
32 Cliff 30 86,556 93,452 -7.38% -3.81%
33 Cliff 31 93,673 97,677 -4.10% -4.49%
34 Cliff 32 93,430 94,635 -1.27% -4.02%
35 Cliff 33 87,205 90,475 -3.61% -4.09%
36 Cliff 34 86,777 90,646 -4.27% -3.31%
37 Cliff 35 86,735 93,755 -7.49% -4.16%
38 Cliff 36 87,036 91,286 -4.66% -5.01%
39 Cliff 37 87,041 91,788 -5.17% -5.40%
40 Cliff 38 86,047 90,821 -5.26% -5.64%
41 Cliff 39 88,010 91,333 -3.64% -4.68%
42 Cliff 40 88,065 90,572 -2.77% -4.21%
43 Cliff 41 89,917 92,865 -3.17% -3.71%
44 Cliff 42 95,440 97,788 -2.40% -3.00%
45 Cliff 43 104,325 107,070 -2.56% -2.73%
46 Cliff 44 85,918 91,699 -6.30% -3.61%
47 Cliff 45 89,328 91,733 -2.62% -3.47%
48 Cliff 46 88,819 97,227 -8.65% -5.03%
49 Cliff 47 92,835 94,459 -1.72% -4.82%
50 Cliff 48 88,335 94,366 -6.39% -4.85%
51 Cliff 49 87,844 92,018 -4.54% -5.32%
52 Cliff 50 85,180 92,309 -7.72% -5.09%
53 Cliff 51 98,069 102,387 -4.22% -5.72%
54 Cliff 52 86,591 91,446 -5.31% -5.45%
I am stuck and will really appreciate any help
Thanks in adavance
Cliff
4  10873 
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
I believe something like this:
SELECT Type, WK, CY, LY, (CY-LY)/LY As PctChange,
(SELECT Avg((CY-LY)/LY)
FROM table_name
WHERE Type=A.Type
AND WK BETWEEN A.WK-5 And A.WK-1) As AvgPrev4Weeks
FROM table_name AS A
ORDER BY Type, WK
GROUP BY Type, WK, CY, LY, (CY-LY)/LY
See this site for a sample Access db of queries, for more info: http://support.microsoft.com/default...b;en-us;207626
--
MGFoster:::mgf0 0 <at> earthlink <decimal-point> net
Oakland, CA (USA)
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Version: PGP for Personal Privacy 5.0
Charset: noconv
iQA/AwUBQcpVMoechKq OuFEgEQKpCQCggO 5xbsF8n+pnYybgF JOy70tQk3YAoMbl
2pM/30pbpB1go9QewkP dXDED
=o59M
-----END PGP SIGNATURE-----
CliffKing wrote: Hi,
Is there a way i can compute a moving/rolling average in ms access?
I have this excel spreadsheet (see below) and i would like to automate
it in ms access
%Change = (C5-D5)/D5
4WKAvg = SUM(E2:E5)/4
SUM(E3:E6)/4 Please note that the sum
SUM(E4:E7)/4 keeps moving down
1 A B C D E F
2 Type Wk CY LY %Change 4WKAvg
3 Cliff 1 92,694 94,584 -2.00%
4 Cliff 2 95,469 96,933 -1.51%
5 Cliff 3 95,547 93,377 2.32%
6 Cliff 4 91,190 93,670 -2.65% -0.96%
7 Cliff 5 86,484 95,336 -9.29% -2.78%
8 Cliff 6 88,639 96,093 -7.76% -4.34%
9 Cliff 7 87,806 91,529 -4.07% -5.94%
10 Cliff 8 88,304 100,801 -12.40% -8.38%
11 Cliff 9 92,804 87,008 6.66% -4.39%
< SNIP >
I am stuck and will really appreciate any help
Thanks in adavance
MGFoster wrote: -----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
I believe something like this:
SELECT Type, WK, CY, LY, (CY-LY)/LY As PctChange,
(SELECT Avg((CY-LY)/LY)
FROM table_name
WHERE Type=A.Type
AND WK BETWEEN A.WK-5 And A.WK-1) As AvgPrev4Weeks
FROM table_name AS A
ORDER BY Type, WK
GROUP BY Type, WK, CY, LY, (CY-LY)/LY
See this site for a sample Access db of queries, for more info:
http://support.microsoft.com/default...b;en-us;207626
Correction:
The main query doesn't need the GROUP BY line.
--
MGFoster:::mgf0 0 <at> earthlink <decimal-point> net
Oakland, CA (USA)
Thanks so much for you response.
i tried to use the sql statement but i am getting this error 3075:
"BETWEEN operator without AND in query expression 'TYPE]=[TYPE] AND
[WK] BETWEEN (([WK]-5 AND [WK]-1)"
This is the table i am using:
Type Wk CY LY
Cliff 1.00 92,694.14 94,584.47
Cliff 2.00 95,468.55 96,933.28
Cliff 3.00 95,547.45 93,377.15
Cliff 4.00 91,189.98 93,669.53
Cliff 5.00 86,484.01 95,336.38
Cliff 6.00 88,639.29 96,092.55
Cliff 7.00 87,806.36 91,528.59
Cliff 8.00 88,304.46 100,800.70
Cliff 9.00 92,804.12 87,008.28
Cliff 10.00 96,016.44 90,834.26
Cliff 11.00 83,913.27 90,848.96
Cliff 12.00 85,098.99 90,500.50
Cliff 13.00 88,120.20 92,874.74
Cliff 14.00 91,542.87 95,175.41
Cliff 15.00 87,950.52 94,230.31
Cliff 16.00 84,613.37 94,353.02
Cliff 17.00 86,838.74 95,123.23
Cliff 18.00 92,834.60 94,459.23
Cliff 19.00 88,334.89 94,365.75
Cliff 20.00 87,844.46 92,017.95
Cliff 21.00 85,180.26 92,309.28
Cliff 22.00 98,068.86 102,386.60
Cliff 23.00 86,590.71 91,445.52
Cliff 24.00 88,476.57 90,900.55
Cliff 25.00 87,010.58 90,549.88
Cliff 26.00 86,706.62 92,549.55
Cliff 27.00 90,294.59 91,558.38
Cliff 28.00 86,512.39 89,332.52
Cliff 29.00 85,951.52 88,909.26
Cliff 30.00 86,556.10 93,451.94
Cliff 31.00 93,672.80 97,676.61
Cliff 32.00 93,430.38 94,634.54
Cliff 33.00 87,204.79 90,474.68
Cliff 34.00 86,776.79 90,645.77
Cliff 35.00 86,734.79 93,754.53
Cliff 36.00 87,035.59 91,285.72
Cliff 37.00 87,040.73 91,787.87
Cliff 38.00 86,047.33 90,821.02
Cliff 39.00 88,009.64 91,333.39
Cliff 40.00 88,064.84 90,571.89
Cliff 41.00 89,916.64 92,864.86
Cliff 42.00 95,439.89 97,788.35
Cliff 43.00 104,324.90 107,070.20
Cliff 44.00 85,918.27 91,699.13
Cliff 45.00 89,327.67 91,732.71
Cliff 46.00 88,819.06 97,227.32
Cliff 47.00 92,834.60 94,459.23
Cliff 48.00 88,334.89 94,365.75
Cliff 49.00 87,844.46 92,017.95
Cliff 50.00 85,180.26 92,309.28
Cliff 51.00 98,068.86 102,386.60
Cliff 52.00 86,590.71 91,445.52
The sql to the query is:
SELECT example.Type, example.Wk, example.CY, example.LY,
([cy]-[ly])/[ly] AS PctChange, (SELECT Avg(([CY]-[LY])/[LY]) FROM
example WHERE [Type] =
[TYPE] AND [Wk] BETWEEN ([Wk]-5 and [Wk]-1)) AS AvgPrev4Weeks
FROM example;
where am i going wrong? thanks
MGFoster wrote: MGFoster wrote: -----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
I believe something like this:
SELECT Type, WK, CY, LY, (CY-LY)/LY As PctChange,
(SELECT Avg((CY-LY)/LY)
FROM table_name
WHERE Type=A.Type
AND WK BETWEEN A.WK-5 And A.WK-1) As AvgPrev4Weeks
FROM table_name AS A
ORDER BY Type, WK
GROUP BY Type, WK, CY, LY, (CY-LY)/LY
See this site for a sample Access db of queries, for more info:
http://support.microsoft.com/default...b;en-us;207626
Correction:
The main query doesn't need the GROUP BY line.
--
MGFoster:::mgf0 0 <at> earthlink <decimal-point> net
Oakland, CA (USA)
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
You're leaving out the table alias "A." on the WK column and the Type
column in the subquery. Try this:
SELECT Type, WK, CY, LY, (CY-LY)/LY As PctChange,
(SELECT Avg((CY-LY)/LY)
FROM example
WHERE Type=A.Type
AND WK BETWEEN A.WK-5 And A.WK-1) As AvgPrev4Weeks
FROM example AS A
ORDER BY Type, WK
--
MGFoster:::mgf0 0 <at> earthlink <decimal-point> net
Oakland, CA (USA)
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Version: PGP for Personal Privacy 5.0
Charset: noconv
iQA/AwUBQctutYechKq OuFEgEQJI+QCgra pMvWfcIQPyz3951 x+xgOb7yzgAoMv3
kiFGywIEgCzx1r8 Wki3j/deK
=u4Rv
-----END PGP SIGNATURE-----
CliffKing wrote: Thanks so much for you response.
i tried to use the sql statement but i am getting this error 3075:
"BETWEEN operator without AND in query expression 'TYPE]=[TYPE] AND
[WK] BETWEEN (([WK]-5 AND [WK]-1)"
This is the table i am using:
Type Wk CY LY
Cliff 1.00 92,694.14 94,584.47
Cliff 2.00 95,468.55 96,933.28
<SNIP> The sql to the query is:
SELECT example.Type, example.Wk, example.CY, example.LY,
([cy]-[ly])/[ly] AS PctChange, (SELECT Avg(([CY]-[LY])/[LY]) FROM
example WHERE [Type] =
[TYPE] AND [Wk] BETWEEN ([Wk]-5 and [Wk]-1)) AS AvgPrev4Weeks
FROM example;
MGFoster wrote:
SELECT Type, WK, CY, LY, (CY-LY)/LY As PctChange,
(SELECT Avg((CY-LY)/LY)
FROM table_name
WHERE Type=A.Type
AND WK BETWEEN A.WK-5 And A.WK-1) As AvgPrev4Weeks
FROM table_name AS A
ORDER BY Type, WK
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