Calculate Variance Across Large Dataset?
Nov 25, 2013
I am looking to calculate variance across a large data set and would like to know if a macro is possible to calculate for a specific unique cell ID. East, Central, or West and calculate variance across that region.
For instance, in my data set if I have something similar to below. How would I calculate variance in the different regions? Is it possible to automate this process? Also could the Analysis ToolPAk be used instead or in conjunction?
OrderDate
Region
Rep
Item
[Code]....
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Feb 6, 2009
i have a dynamic list of numbers....currently 10 numbers in the list.
how can i calculate the variance?
i have the upper limit (=MIN(1,(mean+half width))
i have the lower limit (=MAX(0,mean-half width)
i have the mean (avg of all numbers)
i have the t value (TINV(alpha, (n-1)))
i have the half width (t value * SQRT of Var/N)
i just don't know how to get the VAR/N
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Jan 6, 2014
I have a set of 5,800+ data points between 0 and 1 that I would like to multiply together. When I use PRODUCT for the whole set, the formula returns 0. However, I can use a smaller subset of the data to return a very small number. I'm curious if Excel has a closest-number-to-0 or number-of-cells-for-PRODUCT limitation. Is there another way to perform this calculation?
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Mar 29, 2013
we use # of days per disbursement as a performance measure to ensure that we are providing out grantees with the appropriate amount of service. I keep a tracking chart that I manage with overseas partners that use these dates to prioritize the 30+ grantees in their portfolio at any given time. It would be great if this # of days to disbursement #1, disbursement #2, etc could automatically pull to show them who they have neglected.
"Sheet 1" = Overview sheet to see general information (where I'm trying to pull to)
"Sheet 2" = table to track information as the disbursements or other actions are processed per grant
Column A (on both sheets) gives the grant reference
Column B (data entry sheet) gives the date the payment was sent
When I do =SMALL(('Sheet2'!B:B),2), I get the 2nd smallest in the whole sheet, but then when I try to make an IF function to tie it to the specific grant...
=IF('Sheet2'!A:A,A2,SMALL(('Sheet2'!B:B),2)) --> this gives me a 1905 date
I've tried a bunch of different formulas and tried reformatting the dates... but I'm having very little success...
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Apr 3, 2013
I have a problem and I can't figure out how to do this, I have tried using both macros and functions (INDEX for example). The problem is as follows, I have a dataset of 27 worksheets, each worksheet has between 30k and 60k of rows and 25 columns. They are set up as follows:
------------------1990 1991 1992 etc.
Firm_A-Variable_1
Firm_A-Variable_2
|
|
|
Firm_B-Variable_1
Firm_B-Variable_2
|
|
|
etc.
Now what I am looking for is an easy way to transpose the data, I would like to have it looked as follows:
-------------Variable_1 Variable_2 Variable_3
Firm_A 1990
Firm_A 1991
Firm_A 1992
|
|
|- ---- 2012
Firm_B 1990
Firm_B 1991
Firm_B 1992
|
|
| ------2012
etc.
It is basically impossible to do this by hand, each of the 27 worksheet has between the 3000 and 6000 firms and each firm has 57 variables (these are identical for all firms). Also the the firm names and the variable names are in the same column, these should be seperated as well (they are connected with a hyphen).
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Jun 16, 2014
I have the following structure in values found within a large dataset
6A-6200 A
6A-6156-A
I used =SUBSTITUTE(CELL," ","") to remove the space in the first value: Works fine
I am trying to remove the 2nd occurence of the - in the second value: Desired Result 6A-6156A
And how I may be able to complete both within one formula.
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Jul 12, 2014
I am accustomed to using filters to find a lot of my information in large datasets.
However, now I am trying to use formulas to return specific values. For simplicity's sake, I have included a sample below with a couple types of scenarios I am looking to solve through the use of formulas. Would this involve sub-arrays perhaps?
sabinfire1.xlsx
Excel questions.docx
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Jan 2, 2014
We collect loan payments for 36 months from customers.
Column A lists 1000+ customers.
Column J lists the date we received payment 1 ... Column Q lists the amount we received on payment 1.
Column R lists the date we received payment 2 ... Column Y lists the amount we received on payment 2.
Column Z lists the date we received payment 3 ... Column AG lists the amount we received on payment 3.
This repeats for all 36 payments.
New customers are loaded in each month, so be aware that Column J, Column R, Column Z (and so on) have dates from 2011 and 2012 and 2013.
We'd like to create a list of all customers that have not made a payment for the current month as of a certain day (say the 12th). So this month, on January 12th, we'd like to search our data for all customers that don't have a payment listed between January 1st - January 12th.
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Nov 3, 2011
I have a large dataset. under the heading Theme there are blocks of text, ie not single words. i have created a simplified version below
Sample table:
StateThemeVictoriatradeNew South Walestrade, ownershipNew South WalestradeVictoriaownership,
test textVictoriatest text, tradeVictoriatrade, ownershipVictoriaownership, trade
I want to count, for example the number of times the words 'ownership' OR 'trade' appear for Victoria.
The formula i am using is doubling up on the last 2 entries.
This is what I have:
=SUM(COUNTIFS(A2:A8,{"Victoria"},B2:B8, {"*ownership*";"*trade*"}))
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Feb 9, 2012
I have a large itemised call bill that i need to do some regular analysis on and wondered if I could automate most of it.
In column C is a list of mobile numbers, in column F the numbers they called (this is an itemised bill so each line represents one call, meaning each number has multiple rows) finally in column K is the cost of each call.
I want the macro to look through column F (number called) and if there are less than 5 instances of that number that are under 0.30 each in cost to be deleted.
Example: if in column F the number 07500 100100 appeared once with a cost of 0.29 I want it deleted but if it appears 6 times with an accumulated cost of 3.50 i.e. more than 0.30 per call averaged out, then i want it to remain on the sheet
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Feb 19, 2013
I have the following two bar charts. (see links below). I would like to overlay both these bar charts together and obtain the chart shown in link 3.
For example, at 4.4 GHz and 1.8m antenna, two values (downtime/year) are possible 15 min or 557min. This is represented in the third figure Since the first chart contains small values and the second chart contains large values for the x-axis, will I able to change this to log scale for ease of analysis?
[URL]
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Jan 29, 2014
The code below works fine on smaller data sets. I tried it on a data set of over 165000 records and it gives me the error:
"Runtime Error '6': Overflow"
Clicking debug highlights this line:
rowCount = .DataBodyRange.rows.Count
Code:
Sub Fixtable()
Dim lo As Excel.ListObject
Dim loRow As Excel.ListRow
[Code]....
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Mar 29, 2007
what is the formula to calculate variance in Excel between the actual data and the forecasted one?
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Jan 17, 2013
I've been unsuccessful in trying to write a formula that retrieves a single result based on two criteria (from a large set of data on a separate worksheet). I've tried various INDEX MATCH combinations but no luck.
A
B
C
D
E
1
DATE
TEAM
PITCHERS
RESULT
2
4/1
nyy
Sabathia
???????
[Code] ........
So this is a very simplified version of my real data set which is about 20 times this size. The first worksheet is where I want to store my retrieved results (lets say D2 for example). I want to retrieve data from the second worksheet that matches two criteria (exactly) originating from my first worksheet. The two criteria to be matched from the first worksheet are, for example, A1 (sabathia) and F2 (the date 4/8). The complicated part is the desired result should be from the corresponding K/9 column in the second sheet, which in this case (based on sabathia and 4/8 criteria) is I2 (result would be 3). It's complicated since I can't just tell the formula to look down a specific K/9 column, I need to search ALL the K/9 columns in the sheet (of which there are many). Is this even possible with some sort of nested INDEX MATCH? Any possibilities outside of VBA programming, or is that the only way?
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Dec 16, 2013
I have a table that can at any point have from a couple hundred up to a couple thousand rows. Within this table lies a column entitled " Offer ". I want to plot the figures in the offer column as a frequency distribution chart.
I plan to do this by listing the x-values (Offer figures), and then using count if formulas to calculate the frequency of that x-value. Then using a simple clustsered column chart to create the visualisation of the frequency distribution.
My question is.... in my large data set, is there any way to get VBA to insert a list of the range of figures in the Offer Column, ? I can figure out how to copy down the countif formula to populate the corresponding frequency column, but how can I have some VBA to dynamically adjust my x-values (offer figures)?
For example... say in the first data set I have
Offer, Frequency
1 10
2 20
3 25
4 20
5 15
that's fine if I make the chart, but what if the data set changes, I want VBA to give me a list of all the offer values, and then I can write some code to insert and copy down along the frequency column the countif formula.
The ultimate goal is to have a frequency chart that will be synced to the self-updating dataset.
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Oct 15, 2012
I'm trying to count how many production orders i have per week. However, there are duplicated production orders per week. I only want to count how many unique orders there are for each week. I only see the ability to "Count", which counts my duplicates as well so it over inflates my true quantity.
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Oct 6, 2011
I have 3 columns (B,D,F) that have 15 minute data intervals and I need to calculate the hourly averages for each column but here is the catch, I need to do this from July-1-2011 00:00:00 to Sept-31-2011, 24:00:00 (that's 26,217 data points and 6,554 =average() calculations......
IS there syntax I could use that would calculate the average every 4-cells so I could get the hourly average without having to type =average(XX:XX) 6,554 times?
Example of set-up:
29-Sep-11
23:00:00
0.820412164= AVERAGE(B8735:B8738)
0.762574274 =average(D8735:D8738)
84.98389991 =average(F8735:F8738)
29-Sep-11 23:15:00 0.819168591
0.762781167
[Code]...
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Dec 29, 2007
I'm trying to do a binomial distribution summation as part of a VBA function, and have been using the Application.WorksheetFunction.BinomDist function, which works fine until the numbers get large - the binomial coefficients used in the calculation end up being larger than can be held in a double floating-point number in VBA, so excel can't handle it. The final result of the calculation is a probability, so it's not a huge number! I was wondering if anyone knows an alternate way of calculating binomial probabilities which avoid any huge number intermediates.
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Oct 14, 2008
I I have a excel document which has a sheet containing a large number of array formulas.
I turned the automatic calculation off.
However, even when I press F9 to calculate the cells it just crunches, gets stuck at “Calculating 0%” and then crashes.
The majority of the array formulas are IF queries with multiple criteria.
Would it speed up the calculation if I didn’t use array formulas?
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Feb 28, 2014
I am having trouble finding an efficient way to expand a set of data that I have by adding another column to it.
Look at attachment : help.xlsx‎
I can do it manually but I have 5000+ rows of data that I need to selectively expand do accommodate the data from the new data set.
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Mar 6, 2014
We are trying to find the median of a large set of numbers to calculate the median income in 2010. For an example we have 8,379k people with $2500 average income, 9,783k with $7500 average income and so on. How can I calculate the median average income of such a large amount of entries?
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Apr 2, 2008
Column A has a time (no date)
Column B VLooks-up a value from a separate sheet per country, so it pulls through a the variance [-11 to +13] from UTC (GMT) time dependent on country.
All other data is irrelevant.
Let's say Column C has following formula: A2+B2/24.
This works where the time result (new time) is on the same day, but as soon as it crosses over midnight, it buggers up.
What I'm needing to do is take a list of events (server time/GMT) and convert them to the local time from where the event was triggered based on source country.
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Apr 16, 2014
I am trying to get my variance percentage to calculate correctly but I am struggling when it comes to one of the value being zero. It works fine for the below example when both the variance and last year figures a zero.
Last Year This Year Variance Percetage
0 0 0 0.00% IF(Last Year=0, "",Variance/Last Year)
0 100 100 0.00% This should be 100%
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Jan 26, 2009
I'm trying to calculate the variance between planned date & time of arrival vs actual date & time of arrival.
I attach the workbook as am a bit useless at explaining myself....
What I've done is in H14 subtract the actual date of arrival (F14) from planned date of arrival (C14). This result is the only way I could think of dealing with crossing over midnight. As a result I14 should subtract the actual time of arrival (E14) from planned time of arrival (B14):
=SUM(E14-B14,H14)
This method works well when the arrival was later than expected but doesn't work if the arrival was sooner than expected.
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May 18, 2009
finding a way to compare the two budgets i.e 08/09 and 09/10 and if a new cost centre appears in 09/10 it will bring a yes in column G(New cc) and if the Cost Centre already exist in 08/09 it will bring a blank--but in both cases i want a variance in the next column H i.e 09/10 less 08/09.
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Apr 8, 2013
How to create like a random number generator or something. So like +.09 is 57% and -1 is 43% and for it to randomly generate like 100 numbers, so that I could graph it later.
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Feb 21, 2007
I have a workfile with several worksheets.
I have the word "variance" appearing in some of the rows in column B and a value in column C which is in the same row as the word "variance"
for eg row B19 Variance C19 10
I need VBA code that where the value which is in line with the text "Variance" is greater than 5, the name of the worksheet is listed in the worksheet named "Variances"
See Example below
******** ******************** ************************************************************************>Microsoft Excel - Statistical Data.xls___Running: xl2002 XP : OS = Windows XP (F)ile (E)dit (V)iew (I)nsert (O)ptions (T)ools (D)ata (W)indow (H)elp (A)boutC13C14C16C18=
ABCD131110XFORD*UNITS*IN*STOCK86*141111XMazda*N/V*UNITS*IN*STOCK17*15****16Total*103*17****18*Variance0*East*
[HtmlMaker 2.42] To see the formula in the cells just click on the cells hyperlink or click the Name box
PLEASE DO NOT QUOTE THIS TABLE IMAGE ON SAME PAGE! OTHEWISE, ERROR OF JavaScript OCCUR.
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Sep 1, 2008
I need a formula to workout what is the most up to date firmware that should be installed on the machine. This will always be in column B. The second formula should work out the variance between the installed firmware and recomended. The formula cells will be normally held on a different summary sheet.
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Mar 16, 2014
I am trying to do my homework for college and the below excel grid was given to us to complete. I do not understand where to get the information it is asking. the first grid is the numbers we are suppose to use to input in the other grids. We are suppose to put a formula in on the last to two columns on each grid but I do not even know where to start.
Budget
Actual
Product
SaleUnits
$/Unit
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Jan 6, 2014
3 Sheet Excel document- What i'm trying to do is compare the contents of Column A sheet2, with Column J sheet3.
I would like only the variances printed on Sheet A. So- Sheet A says "The following was found in Sheet2!A, but not Sheet3!J"
Demo excel spreadsheet attached. Comparing "NASC Column A" with "RQ4 Column J"
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