How to calculate average calls "timestamps" per day on Google Sheets - google-sheets

I need help calculating the average number of calls I receive per day on Google Sheets. I can use your help.
Specifically, I want to calculate average calls per day [count: timestamps] for weekdays and weekends, respectively.
Here is the link to the Google Sheet: https://docs.google.com/spreadsheets/d/1UnHxSuQeFcKWIYrZxHrKQFJQ0TNekNAGrlvY-CyfYdU/edit?usp=sharing
I have found several links that come close to the solution but nothing that solves it, e.g. http://yogi--anand-consulting.blogspot.com/2013/05/yogifrom-timestamp-column-compute.html
Thank you in advance!

The question has not been asked very well, it important to show your attempts and specifically what you're look for. But none the less:
Create a separate column in call sheet E:E with the formula =weekday(a1) this will convert your date into a day of week number (1 through 7). From that, use sum if =SUMIF(F:F,"<=5") for your weekday, and=SUMIF(F:F,">=6")` for weekwend

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Google sheet time difference calculation

I want to calculate Total of time difference by creating a funtion in Google Sheet
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How should I calculate the total of time difference.If I use Add ons it works well but I want to make a custom function which calculates the total of all the difference hours as soon as stop is clicked
If you need to sum, stay away from the text-conversion implied in the formula you shared. Instead try something like:
=MOD(C7-B7, 1)
and set the formatting of the column to 'duration' (if needed).
Then you should be able to sum the differences and obtain the total.
Hope that helps?

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=SUMPRODUCT(--(MONTH(Range_Containing_Month_Data)=Month_Number_That_Equals_Month))

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I am writing some formulas that will make up a dashboard that allows for a dynamic look-up of change in waiting times for admission into a hospital. In this case, what I want to do is create a lookback period of 1 month, 3 months, 6 months, and 1 year to see how waiting times have changed during this time at a few locations. It's a bit of a complex issue, but the stripped down data and my example code can be found here (fully shared for editing).
I have successfully gotten the correct formulas for finding 1 month worth of change, but how to apprroach more than 1 month's worth of data eludes me and this is especially problamatic because the date formatting is not standard excel/google sheets data format. As this data will be continously fed into the spreadsheet, I don't think I have the option to modify it either so I think the only option is to come up with some pretty funky formulas that treat months as text. Alternatively, I guess I can also try to make a formula that reformats the text into valid google sheets dates and then use that to make calculations but then while I could probably write that formula, I'd still not know how to get multiple months worth of data processed. Can anyone help take a look at the sheet? (feel free to copy/edit the file if necessary).
try like this:
=QUERY({INDEX(SPLIT(Data!A3:A, "T"),,1), Data!B3:C},
"select avg(Col3)
where Col1 >= "&DATEVALUE(EOMONTH(TODAY(), -4)+1)&"
group by Col2
label avg(Col3)''")
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I'm trying to come up with a function that will calculate a monthly budget from within a specified date range. I tried to use SUMIFS but I can't figure out how to isolate a specific month within the range.
Example:
We have a sheet with Google Ad campaigns, with a row for each campaign.
We are running one Google Ad campaign (A) from 2/15/20 to 5/15/20 with a total budget of $3000 from which I calculate a daily budget of $33.33.
We are running a second campaign (B) from 5/15/20 to 8/15/20, also with a budget of $3,000, from which I calculate a daily budget of $32.61.
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I got this far (J is the Daily_Budget, G is the Start_Date, and H is the End_Date):
=SUMIFS(Google!J2:J30, Google!G2:G30,"<="&DATE(2020,5,1),Google!H2:H30,">="&DATE(2020,5,31))
Then I was at a loss for how to extrapolate the number of days from the range, so that I could then multiply them by the Daily Budget and then add them together.
I thought of going back to the sheet that contains the campaigns and adding columns for each month with a complicated conditional, and then just using SUM(), but I feel like there has to be a more elegant solution.
UPDATE
Per request, here is a link to the spreadsheet with the desired results manually entered: Click here. May & June show the campaign partial month overlaps. The result I'm ultimately going for is =(15*Google!J2)+(16*Google!J3).
UPDATE 2 (24Jun20)
Per request, I have shared the spreadsheet so that people can make a copy and experiment with formulas: Click here..
Any ideas?
Thanks,
Ty
I would use the function DATEDIF() (documentation here). You can set the first parameter as the first day of the month you are trying to calculate the number of days within it, and the second as the first day from another month. Example:
DATEDIF(DATE(2020, 1, 1), DATE(2020, 2, 1), "D")
You could probably make a custom function with this as well to input only the number of each month (and year, in case of leap years on February), but I don't have much experience with that unfortunately.

Sum by month in Google Sheet

I have question about one function that i require in Google Sheets. I have a schedule of visitors and another sheet that includes every statistic data. I need to make a table which will contain sum of number, but statistic must be by month. In my source sheet i have columns which include date and amount. All that I need it's function. I tried it with SUMIF and SUMIFS but it doesn't work. Does anyone know how can I cope with this trouble? Thanks
you should try
=SUM(FILTER(vistorscolumnA:A,monthcolumnB:B="month"))
A little hard to get you all the way there without seeing your format, but this should get you close.

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