Q_28975177 Sample Results using SUMPRODUCT(...)

Q_28975177-Sample-Results.jpg

Q_28975177.xlsx

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brilliant. simply brilliant. &nbsp;I can definitely use that. &nbsp;thank you very much.
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You're very welcome. &nbsp;Thanks for closing the question so promptly.<br />
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Good luck with the rest of your project.
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With a minor tweak to the data you could also use a Pivot Table.<br />
<br />
In a spare area of the sheet set up the following small table:<br />
<br />
1 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;1-5<br />
6 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;6-15<br />
16 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;16-25<br />
26 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;26-Month End<br />
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In a new column next to your data use the following formula to group the dates:<br />
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=VLOOKUP(DAY(A4),$T$3:$U$6<wbr />,2) &nbsp; where T3:U6 is your small table.<br />
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You can then use the Group field as a row value in a Pivot Table to summarise the data.
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Experts<br />
<br />
I am wishing to sum a data set based on the following date intervals:<br />
&quot;1-5&quot; &nbsp; &quot;6-15&quot; &nbsp; &quot;16-25&quot; &nbsp; &nbsp;&quot;26- end of month&quot; <br />
<br />
Grateful for your help.<br />
Attached a sample file<br />
<a href="https://filedb.experts-exchange.com/incoming/2016/10_w41/1121207/EE-date-intervals.xlsx" target="_blank" class="file-inline" title="data (15 KB)"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path d="M67.508 468.467c-58.005-58.013-58.016-151.92 0-209.943l225.011-225.04c44.643-44.645 117.279-44.645 161.92 0 44.743 44.749 44.753 117.186 0 161.944l-189.465 189.49c-31.41 31.413-82.518 31.412-113.926.001-31.479-31.482-31.49-82.453 0-113.944L311.51 110.491c4.687-4.687 12.286-4.687 16.972 0l16.967 16.971c4.685 4.686 4.685 12.283 0 16.969L184.983 304.917c-12.724 12.724-12.73 33.328 0 46.058 12.696 12.697 33.356 12.699 46.054-.001l189.465-189.489c25.987-25.989 25.994-68.06.001-94.056-25.931-25.934-68.119-25.932-94.049 0l-225.01 225.039c-39.249 39.252-39.258 102.795-.001 142.057 39.285 39.29 102.885 39.287 142.162-.028A739446.174 739446.174 0 0 1 439.497 238.49c4.686-4.687 12.282-4.684 16.969.004l16.967 16.971c4.685 4.686 4.689 12.279.004 16.965a755654.128 755654.128 0 0 0-195.881 195.996c-58.034 58.092-152.004 58.093-210.048.041z"/></svg>EE-date-intervals.xlsx</a>
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EE-date-intervals.xlsx

Experts

I am wishing to sum a data set based on the following date intervals:
"1-5"   "6-15"   "16-25"    "26- end of month" 

Grateful for your help.
Attached a sample file

Sum based on custom date ranges

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