Google表格:每天，每周，每月和每年的平均值移动 [英] Google Sheets: Moving daily, weekly, monthly, and yearly averages

问题描述

我有一个电子表格，我在其中收集数据，并输入收集数据的日期.我想获取图表中每天，每周，每月和每年的电子表格中收集的数据的移动平均值.

I have a spreadsheet where I'm collecting data, and entering a date the data is collected. I would like to get the moving averages of collected data in my spreadsheet on a daily, weekly, monthly, and yearly for charts.

我要处理的两列是A列中的日期"(收集数据时)和C列中的数据"(实际收集的数据).该日期始终在增加，格式为"mm/dd/yyyy".C列中的数据是整数，并且运行总和几乎一直增加，除了必须手动校正的四个地方.

The two columns that I'm working off of are "Date" in column A (when the data was collected) and "Data" in column C (the actual collected data). The date is always increasing and is "mm/dd/yyyy" format. The data in column C are integers, and an almost-always increasing running total, except in four places where manual corrections had to be made.

并非每天都输入收集的数据，因此，日期"(Date)列中的日期之间存在间隙.有时需要2或3天才能收集到数据，有时甚至更多.最大差距是没有收集数据的98天.

The collected data is not entered every day, and as such, there are gaps between dates in the "Date" column. Sometimes 2 or 3 days go by without collected data, sometimes more. The largest gap is 98 days without collected data.

E.G.:

    + ---------- + - + ----- +
    |     A      | B |   C   |
+ - + ---------- + - + ----- +
| 1 |    Date    |   | Data  |
| 2 |  6/15/2016 |   | 1263  |
| 3 |  6/30/2016 |   | 1371  |
| 4 |   7/1/2016 |   | 1382  |
| 5 |   7/7/2016 |   | 1429  |
| 6 | 10/13/2016 |   | 2588  |

我已经收集了217行中近3年的数据.

I have collected almost 3 years of data across 217 rows.

获取每日移动平均线看起来就像 =(C3-C2)/DATEDIF(A2，A3，"D"))一样简单.每周，每月和每年的平均水平都让我感到沮丧.

Getting a moving daily average seems as simple as =(C3-C2)/DATEDIF(A2, A3, "D")). Getting the moving weekly, monthly, and yearly averages are stumping me.

如何获取每天未在Google表格中输入的数据的每周，每月和每年的平均值?

How can I get moving weekly, monthly, and yearly averages for data that isn't entered every day in Google Sheets?

推荐答案

G2:

=IFERROR(MINUS(QUERY($A2:$C, 
 "select C 
  where A >= date'"&TEXT($A2,   "yyyy-mm-dd")&"' 
    and A <= date'"&TEXT($A2+7, "yyyy-mm-dd")&"'
  limit 1 offset "&COUNTA(QUERY($A2:$C, 
 "select C 
  where A >= date'"&TEXT($A2,   "yyyy-mm-dd")&"' 
    and A <= date'"&TEXT($A2+7, "yyyy-mm-dd")&"'"))-1), $C2)/7, )

H2:

=IFERROR(MINUS(QUERY($A2:$C, 
 "select C 
  where A >= date'"&TEXT($A2,    "yyyy-mm-dd")&"' 
    and A <= date'"&TEXT($A2+30, "yyyy-mm-dd")&"'
  limit 1 offset "&COUNTA(QUERY($A2:$C, 
 "select C 
  where A >= date'"&TEXT($A2,    "yyyy-mm-dd")&"' 
    and A <= date'"&TEXT($A2+30, "yyyy-mm-dd")&"'"))-1), $C2)/30, )

I2:

=IFERROR(MINUS(QUERY($A2:$C, 
 "select C 
  where A >= date'"&TEXT($A2,     "yyyy-mm-dd")&"' 
    and A <= date'"&TEXT($A2+365, "yyyy-mm-dd")&"'
  limit 1 offset "&COUNTA(QUERY($A2:$C, 
 "select C 
  where A >= date'"&TEXT($A2,     "yyyy-mm-dd")&"' 
    and A <= date'"&TEXT($A2+365, "yyyy-mm-dd")&"'"))-1), $C2)/365, )

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