blocks|key|3573111|text|为一周中的一天添加一栏：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|3573112|=CHOOSE(WEEKDAY(A1),"Sun","Mon","Tue","Wed","Thu","Fri","Sat")|code-block|syntax|javascript|3573113|然后，在这三列数据上使用一个枢轴表来得到一天一天的平均日。|3573114|entityMap^0|0|0|0^^$0|@$1|2|3|4|5|6|7|K|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|L|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|M|8|@]|9|@]|A|$]]|$1|I|3|-4|5|6|7|N|8|@]|9|@]|A|$]]]|J|$]]

Add a column for the day of the week:

<pre><code>=CHOOSE(WEEKDAY(A1),"Sun","Mon","Tue","Wed","Thu","Fri","Sat")
</code></pre>

Then use a pivot table on the three columns of data to get the daily average for the year by day.

blocks|key|3573148|text|如果你想要一个公式，那么：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|3573149|=AVERAGE(IF((WEEKDAY($A$2:$A$367)=D2),$B$2:$B$367))|code-block|syntax|javascript|3573150|这是一个数组公式，必须用Ctrl+Enter来确定退出编辑模式，而不是Enter。如果操作得当，Excel将把{}放在公式周围。|offset|length|style|CODE|3573151|我在D2-D8中加了1-7来表示工作日的数字。工作日公式返回一个数字，因此我们需要该列作为参考。|3573152|​|3573153|📷|atomic|3573154|3573155|如果不需要助手列，则可以使用计数器ROW(1:1)实现相同的操作，该计数器将随着公式的复制而增加1：|3573156|=AVERAGE(IF((WEEKDAY($A$2:$A$367)=ROW(1:1)),$B$2:$B$367))|3573157|这仍然是一个数组，但不依赖于助手列D。记住，周从周日开始。|3573158|entityMap|0|IMAGE|mutability|IMMUTABLE|imageUrl|https://developer.qcloudimg.com/http-save/yehe-900000/c21ef86e6e9c67ee89ad27dfbd627473.png|imageAlt^0|0|0|1J|2|0|0|0|0|1|0|0|0|H|8|0|0|0^^$0|@$1|2|3|4|5|6|7|19|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|1A|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|1B|8|@$I|1C|J|1D|K|L]]|9|@]|A|$]]|$1|M|3|N|5|6|7|1E|8|@]|9|@]|A|$]]|$1|O|3|P|5|6|7|1F|8|@]|9|@]|A|$]]|$1|Q|3|R|5|S|7|1G|8|@]|9|@$I|1H|J|1I|1|1J]]|A|$]]|$1|T|3|P|5|6|7|1K|8|@]|9|@]|A|$]]|$1|U|3|V|5|6|7|1L|8|@$I|1M|J|1N|K|L]]|9|@]|A|$]]|$1|W|3|X|5|D|7|1O|8|@]|9|@]|A|$E|F]]|$1|Y|3|Z|5|6|7|1P|8|@]|9|@]|A|$]]|$1|10|3|-4|5|6|7|1Q|8|@]|9|@]|A|$]]]|11|$12|$5|13|14|15|A|$16|17|18|-4]]]]

If you want a formula then:

<pre><code>=AVERAGE(IF((WEEKDAY($A$2:$A$367)=D2),$B$2:$B$367))
</code></pre>

This is an array formula and must be confirmed with Ctrl-Shift-Enter to exit edit mode instead of Enter. If done properly Excel will put <code>{}</code> around the formula.

I put 1-7 in D2-D8 to denote the weekday number. The Weekday formula returns a number so we needed that column for reference.

<a href="https://i.stack.imgur.com/37Mg7.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/37Mg7.png" alt="enter image description here"></a>

If the helper column is not wanted we can achieve the same using a counter<code>ROW(1:1)</code> which will increase by one as the formula is copied down:

<pre><code>=AVERAGE(IF((WEEKDAY($A$2:$A$367)=ROW(1:1)),$B$2:$B$367))
</code></pre>

This is still an array but is not dependent on the helper column D. Remember that the week starts on Sunday.

blocks|key|3467579|text|假设你的约会是一个字符串，结合了蒂姆和斯科特的想法，我想出了如下结论：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|3467580|将以下内容放置在相邻的列中，并向下复制以适应您的数据：|3467581|=WEEKDAY(DATE(2016,MONTH(LEFT(A1,3)&"-1"),MID(A1,5,1%2B(LEN(A1)=8))))|code-block|syntax|javascript|3467582|它将生成一个1-7整数列表，表示一周中的一天.|3467583|例如，在另一个单元格中，假设是E2，使用以下公式将一周中的每一天的平均值放在它旁边：|3467584|=IFERROR(AVERAGEIF($C$1:$C$10,MATCH(E2,{"Sunday","Monday","Tuesday","Wednesday","Thursday","Friday","Saturday"},0),$B$1:$B$10),"")|3467585|概念证明|3467586|​|3467587|📷|atomic|offset|length|3467588|3467589|entityMap|0|IMAGE|mutability|IMMUTABLE|imageUrl|https://developer.qcloudimg.com/http-save/yehe-900000/ef94b3d9af9908b8a38c07e449ffb595.png|imageAlt^0|0|0|0|0|0|0|0|0|0|1|0|0|0^^$0|@$1|2|3|4|5|6|7|17|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|18|8|@]|9|@]|A|$]]|$1|D|3|E|5|F|7|19|8|@]|9|@]|A|$G|H]]|$1|I|3|J|5|6|7|1A|8|@]|9|@]|A|$]]|$1|K|3|L|5|6|7|1B|8|@]|9|@]|A|$]]|$1|M|3|N|5|F|7|1C|8|@]|9|@]|A|$G|H]]|$1|O|3|P|5|6|7|1D|8|@]|9|@]|A|$]]|$1|Q|3|R|5|6|7|1E|8|@]|9|@]|A|$]]|$1|S|3|T|5|U|7|1F|8|@]|9|@$V|1G|W|1H|1|1I]]|A|$]]|$1|X|3|R|5|6|7|1J|8|@]|9|@]|A|$]]|$1|Y|3|-4|5|6|7|1K|8|@]|9|@]|A|$]]]|Z|$10|$5|11|12|13|A|$14|15|16|-4]]]]

Assuming your date was a string and combine thoughts from Tim and Scott, I came up with he following:

Place the following in an adjacent column and copy down to suit your data:

<pre><code>=WEEKDAY(DATE(2016,MONTH(LEFT(A1,3)&amp;"-1"),MID(A1,5,1+(LEN(A1)=8))))
</code></pre>

It will generate a list of integers 1-7 representing the day of the week.

In another cell, lets say E2 for example, place the day of the week you want to get the average of and beside it use the following formula:

<pre><code>=IFERROR(AVERAGEIF($C$1:$C$10,MATCH(E2,{"Sunday","Monday","Tuesday","Wednesday","Thursday","Friday","Saturday"},0),$B$1:$B$10),"")
</code></pre>

Proof of concept

<a href="https://i.stack.imgur.com/buJ35.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/buJ35.png" alt="Proof of Concept"></a>

What would be the best way to calculate the daily average of a whole number over a given period.

For example:

<pre><code>Jan 1st | 456
Jan 2nd | 238
Etc all the way to the current date.
</code></pre>

The end result is I would have the current daily average for the YTD, so like this :

<pre><code>Monday - average of 250
Tuesday - average of 183
</code></pre>

Based on the YTD data. It's one column of dates and one column of numbers.

Any help would be appreciated.

Calculating Daily Averages with Excel

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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在给定的时期内，计算一个整体数字的每日平均数的最佳方法是什么？例如：Jan 1st | 456Jan 2nd | 238Etc all the way to the current date.最终的结果是，我将得到YTD当前的每日平均水平，如下所示：Monday - average of 250Tuesday - av...

问用Excel计算日平均值
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