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Excel VBA Course
[80% Discount] Excel VBA Course - From Beginner to Expert

200+ Video Lessons
50+ Hours of Video
200+ Excel Guides

Become a master of VBA and Macros in Excel and learn how to automate all of your tasks in Excel with this online course. (No VBA experience required.)

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Moving Standard Deviation

I am trying to learn VBA and started reading Wallenbach's book and I thought the best way to get up to speed fast was to work on some real problems.

So this is what I am trying to do.

I have a list of about 1000 stock price returns in the following format

jan 1 2008 .033
jan 2 2008 .01
jan 3 2008 -.002
jan 4 2008 -.0033
jan 5 2008 .04

What I want to do is calculate in VBA a moving 3 day standard deviation of returns. So I want the first calculation to include jan 1 - jan 3 and place the answer in the cell to the right of jan 3 return. Then move down 1 row and calculate the standard deviation using jan 2 - jan4 and place the answer in the cell to the right of jan 4 return...and so on until the last cell.

Thanks


Excel VBA Course
Excel VBA Course - From Beginner to Expert

200+ Video Lessons 50+ Hours of Instruction 200+ Excel Guides

Become a master of VBA and Macros in Excel and learn how to automate all of your tasks in Excel with this online course. (No VBA experience required.)

(80% Discount Ends Soon!)

View Course




Similar Topics







I have a spreadsheet where I need to calculate the increase in % one year over the other in column D for Eg if Profits are 95415 in Jan 2008 (Column B) and 80215 in Jan 2008 (Column C), then the % Increase will be (95415-80215)/80215 *100

I can calculate the formula for this , but the problem comes where for eg there is a loss in Jan 2008 for -95415 and there was a profit in Jan 2007 for 80215. How do I set up formula to take negatives & positives into account in calculating the increase or decrease/

Your assistance or anybody's on the forum will be greatly appreciated

Regards

Howard

http://www.mrexcel.com/forum/showthr...ghlight=howardneed


I have data with time in standard fromat i.e. 3:00PM but I need it to be in
24 hour format i.e. 15:00. How can I do this?



Good afternoon,

Is there a way to enter a colon into a standard number to create a value that can be formatted into a 24 hour time value ?

eg a time is listed as 1345 with a general number format, and I want it returned as 13:45 witha custom format of hh:mm.

Other than creating a table and using a vlookup function, I am hoping there is a better way?

Darren


How do I calculate the number of batches per hour? Here's what I have so far:

Cell B5: start time: 4:15 formatted as 4:15:00 am
Cell B6: finish time: 6:15 formatted as 6:15:00 am
Cell B7: total time: 2:00 formula in cell: =TEXT(B6-B5,"h:mm")
Cell B8: total batches processed: 22 (this is entered manually)
Cell B9: batches per hour: formula in cell: =B8/TEXT(B7,"h")

as long as I have this formula in cell B9 the answer comes out correct which should be 11 per hour.
If the formula in B9 is B8/B7, the answer is 264.0, Is this because of the way excel is reading the total time or the total time is formatted as a time, not an actual number? Is this the correct way to solve the problem?
answer should be 11 per hour.


Great tip! But one thing: On my machine (Excel 2008 Mac), the values in the formula cell are not correctly calculated simply by dragging. Instead, the values are equal to the cell above (the first entry formula value). To get the correct value, I need to click in the formula bar and then hit enter. (I only discovered this after an hour of tinkering, figuring I had botched the formula!)

Are there any ways around this so that it updates upon dragging the formula?


Entering time values in custom format [h]:mm:ss
Cells accept hours over 23,
Adding cells in column returns correct total time.
Have not found a way to multiply these cells by a $ hourly rate.
So use HOUR(cell ref) and MINUTE(cell ref) to capture values in referenced
cell - then use these values to calculate total payment for $rate per hour.
However, the HOUR(cell ref) formula returns the hours in excess of 24 when
the cell contains an hour value in excess of 23 (ie 27 hours returns 3).




Hi Guys,

Could you be so kind as to provide some code that will enable me to display a text box on a userform rounded up to 1 decimal place.

Where am I going wrong....
it calculates the number entered in textbox1 and divides it by a value that changes in cell O26 but the answer is in about 8 or more decimel places.
Only need like 65.3 as an answer not 65.277756942

This is the code ive used.

Private Sub CommandButton1_Click()

TextBox2.Value = Val(TextBox1.Value) / Range("O26").Value

End Sub


I have a list of 5 buildings each with different unit counts, and an average price sold for each building. How can I get the average price of all units sold?

A B
312 $1000
54 $1010
35 $1835
32 $1028
53 $1937


I often use if statements to return empty cells, for example:

=IF(a1=0,"ERROR","")

The trailing "" returns an empty cell. The problem is, it is not TRULY empty. If I fill that formula down, I cannot, for example, jump from one "ERROR" cell to the next by hitting Ctrl arrow-down because it seems to think that these empty cells have contents.

Is there a way to designate, in such a formula as above, to return a TRULY empty cell?

Thanks


I am using the following formula to calculate the number of days between a date and the current date: =DATEDIF(A1,TODAY(),"d") What do I add to the formula to leave cell blank if no date is entered in the cell for calculation.


I need a formula to automatically calculate if the Job was completed in the
date range that was provided, and to return Early, Late or Ok accordingly.



Need a formula to calculate weeks stock in hand based on 12 months forecast.

Here is the example.

Jan2011 Feb2011 Mar2011 Apr2011 May2011 Jun2011 Jul2011 Aug2011 Sep2011 Oct2011 Nov2011 Dec2011 ----------- ----------- ----------- ----------- ----------- ----------- ----------- ----------- ----------- ----------- ----------- ----------- Product XXXXX Actual/Forecast : 174 1674 574 574 524 524 524 524 524 728 728 728 New Purchases : 0 0 0 0 1002 0 0 0 0 0 0 0 Goods In Transit: 0 1506 0 0 0 0 0 0 0 0 0 0 Other Movements : 0 0 0 0 0 0 0 0 0 0 0 0 Closing Stock : 1270 1102 528 -46 432 -92 -616 -1140 -1664 -2392 -3120 -3848 Week Stock in Hand ? ? ? ? ? ? ? ? ? ? ? ?

So, in Month of Jan2011 the Closing stock is 1270, need a formula to calculate how many weeks will this stock cover look at future forecast.


Good afternoon!

I'm working with Excel 2003 sp 3 on Windows xp.

I have been banging my head trying to jar loose the formula to calculate man days where 1 equals 8 hours. I have one that was given to me by a coworker:

=INT(Q3/8)+(((Q3/8)-(INT(Q3/8)))*0.8)

That calculates man days from total hours. I need a formula that will total man days and return the man day answer. Example:

weekending 12/25 = 16.2 which is 16 man days and 2 hours
weekending 1/1 = 24.7 which is 24 man days and 7 hours

Total = 41 man days and 1 hour

I have also been asked if there was a way for a number to be entered into a spreadsheet and automatically put in order without a macro or "pushing a button".

Any advice is greatly appreciated!

Happy New Year!

~ Brenda ~


I have an Excel workbook that was created by a former coworker. It includes a macro that, among other things, displays a message box about the 2008 file. The macro runs as soon as the file is opened. I'd like to access that macro to correct the date to 2011 and see what else, if anything, it's doing for me (it doesn't appear to do much). I can find references to creating macros to hide and unhide rows/columns and I found ways to delete all macros in a workbook, but I cannot find anything about unhiding a macro without knowing its name.

Does anyone know of a way to unhide this macro?

Thanks!


i have a cell i have to check if it contains six characters. I have a list of data that i need to narrow down to six characters. I have successfully done that, but some of the cell has 5, 6, or 7 characters. The list contains about 600 cells, but i don't have time to format them individually. I want to create a formula that returns true or false if the cell contains 6 characters and false if it is above or below 6.

Can somebody help me, i'm new to excel!


Hi,

Im working with a large data spreadsheet that has Yes and No answers in different columns. There are blanks within the selection too.
I need to calculate only the Yes.
I have tried using the filters in the Pivot Table field list and they are not working.
So now i'm trying to add a COUNTIF formula in the Calculated Fields section.
The formula I'm using is =Countif('Time limit extension'="yes") and i get the answer "too few."
What should I be using in the formula to get the calculated field to work? I have search the whole forum and I haven't found an answer that can help me.

Please HELP!!!


Happy Day to all,

Can you please help me,

A1= time in
B1= time out
C1= time in
D1= time out

I want to calculate the late and under time,
Office start at 9:am w/30 mins Grace period,
The break time is one hour only, please include over breaktime in calculation.
End of office hours 6:00 pm, strickly no over time


I would like to create a formula that has a not-to-exceed answer.

Example: I want the answer not-to-exceed $10.00

$6.00 + $3.00 = $9.00
$6.00 + $7.00 = $10.00



Hello All

I wonder if you could help with this one, I have a list of data like this (no spaces or other characters)

JN551122B

What I need to do is split each of the characters in to its own cell

if JN551122B was in cell A1 I'd want to return:

B2 C2 D2 E2 F2 G2 H2 I2 J2
J N 5 5 1 1 2 2 B

The nearest I have got is the right function, but it brings over the preceeding characters, and I need each character in its own cell. Hopefully I could copy/paste a formula and change the reference for each cell value, i.e. 1 would return J, 2 = N, 3 = 5, 4 = 5 etc.

Thanks for your help!


I have entered a vlookup formula in a cell and it returns the correct value from the other worksheet. However when I copy the formula down it keeps returning the exact same value as the first cell. If I enter a formula in each individual cell it returns the correct value. Its driving me crazy ! I woyld be glad of any advice

Many Thanks

Karamazov