Interpolate Between 2 List Of Values
Sep 7, 2007
I am looking to write excel function that would be able to interpolate between two list of values. One list containing xValues and another yValues and a x value the specified for which the appropriate y value is to be returned. For the moment I have written a short function interPLinear into which I wish to feed an array and then simply add those together. This is so that I can make sure that my syntax is correct. Unfortunately I am struggling with that at the moment. My function looks like this.
Function InterPLinear(xValues() As Double)
Dim Sum As Double
InterPLinear = 0
InterPLinear = InterPLinear + xValues(1)
InterPLinear = InterPLinear + xValues(2)
InterPLinear = InterPLinear + xValues(3)
InterPLinear = InterPLinear + xValues(4)
InterPLinear = InterPLinear + xValues(5)
'I know that there will be only 5 values, will make it generic at a later stage.
End Function
In the spreadsheet I have created a short table with 5 rows and 1 column with values 1 to 5. In another cell I have entered the following =interplinear(A1:A5) and I have tried the following as well {=interplinear(A1:A5)} Could you perhaps tell me how I can correctly access this function so that it does not return #value
I have attached the file if it is needed
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Oct 30, 2009
i have a spreadsheet with a column of numbers in increments of 5 ie 25, 30, 35, 40, 45, 50, etc. and an adjacent column of decending numbers ie 275,273,262,250,238 where the numbers in column b decrease by varying amounts each time. for a given value say 37 i want to interpolate between the corisponding values of 35 and 40 to give an answer.
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Jul 13, 2009
i'm trying to write a sheet that records weight from a date and user input
trouble is people are likely to miss days out and i want to fill in the missing dates weight based on actual inputs from other days. if i make it easier and say it like this column A is the weight, column b is the number of days gone
as an example i've made it straight forward but left 4 values out
A1616B161
A1515B152
A14B143
A1313B134
A1212B125
A1111B116
A10B107.....................
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Nov 7, 2008
I have a question on data interpolation with Excel 2007. Normally, this wouldn't be too much of an issue for me, but for some reason I cannot figure it out.
I'm working on an Income Statement, which is designed for 5 years. I have values 1 and 5, which are given to me (B7: 3,500,000 and F7: 5,200,000). I'm trying to figure out the other 3 years of revenue assuming a growth trend. The values should fill the series B7:F7.
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Mar 29, 2009
I just have a quick question with regards to two-way interpolation of data.
I have a data table which has x-values, y-values and z-values.
I need to obtain an interpolate value for z, given a value for x and a value for y.
The x value specified is 1.569 and the y value specified is 1.66.
I know how to use the FORECAST formula for a simple x, y table, but I have no idea what to do here when I need to find a z value, given the x and y values.
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Dec 7, 2009
I have data essentially comprising a set of points with x and y coordinates. Is there a way to index and interpolate between points?
I can use INDEX or LOOKUP to look up a y value fo a valid x value but don't know a way to interpolate if the value is between x values. Is this possible?
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Jun 8, 2007
I got a table of two columns (A1:B6). One column (A1:A6) got temperature values and the other column (B1:B6) got enthalpy values as a function of temperature values as shown in the attached file. All values in the table are empirical values and I am trying to use them to obtain the enthaly (B11:B21) for my own temperatures (A11:A21).
I can use VLookup formula to do so but it won't be accurate because the enthalpy values are very sensitive to temperature changes. I need to use table A1:B6 and interpolate for temperature values that are located in between the integer temperature valuse. e.g. if the temperature=1.5 (between 1 and 2 in the table), how can I obtain the enthalpy value=15 (between 10 and 20) using the table.
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Jan 23, 2009
a formula that would interpolate the volume in the below worksheet....
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Aug 22, 2008
I have an array of data like below:
1
3
5
7
9
I need that array interpolated to say 20 data points but the first and 20th data point must be the actual first and last data point of the array (1 & 9 in the example). I have downloaded the xlfun software but the interpolat function only does 1 point at a time...than as you drag the function down it changes the initial array. Of course I realy have anywhere from 40-60 data points to be interpolated to 100.
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Feb 14, 2007
With a known X and Y, trying to solve for Z from a table. ie: IF a variable X is defined across a row, another variable Y defined down a column, the data field Z fills in-between. What do I need to use to interpolate for both X and Y to solve for Z?
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May 11, 2009
I have pasted 5 fields with some random values that are in A1 to E1. E is the column I am trying to populate to fill in the missing data for C.
I have written a function that will interpolate between 2 deltas using the dates. Assuming that June 09 will always have a corresponding delta (e.g. here 33) how can i populate the INTERP column using my YINT function. I can do this manually 1 at a time, but the already-filled cells in the Delta column will not always be the same and manually would take ages....
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Aug 22, 2008
I was using the macro provided by shg in post#6 of this thread: Interpolate Two-dimensional Array? ...
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Oct 25, 2007
Actually, I've created the user defined function (UDF) to interpolate (both linear and bilinear). It's just, I keep getting this annoying error that says "A value used in the formula is of the wrong data type." But here's the kicker...I converted the UDF into a subroutine for trouble shooting, and I was able to step through the entire code and get the correct output.
Function itcinter(efpd As Single, pwr As Single) As Variant
Dim rnge, mtrnge As Range
Dim w, x, y, z, xx, yy, b As Single
Dim scenario, a As Integer
Dim J As Variant
scenario = Worksheets("Input").Range("B1").Value
pwr = pwr / 100#
If (scenario = 1) Then
Worksheets("ITC").Select
'Make table into a range for VLookUp
Set rnge = Worksheets("ITC").Range("A3", [A3].End(xlDown).End(xlToRight))
Set mtrnge = Worksheets("ITC").Range("A3", [A3].End(xlDown))
'If the given value does not match a table value exactly
On Error Resume Next.......................
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Jan 14, 2010
I have 5 worksheets each with tables that are formatted the same on each sheet. I have named each table as a named range (ex:filter5tsd15BSF). I have a userdefined function that interpolates values for a single table in a vba module. I can make this function work for a single table by calling the function as =Linterp(filter5tsd15BSF,C12) so I know the function is OK. However, I really rather program this some way that all the tables get passed to the function and then a select case for the conditions for which filter and which TSD (15 or 25) will then select the correct table.
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Jun 15, 2007
I'm trying to use data validation to restrict the user to only selecting values in a list which I create. Right now, the list is a named range. I'd like to get rid of the range and just use a named list. I create a name using the following as my list.
Insert > Name > Create
Name: Fruit
Refers to:
banana,apple,orange
When I try to use the name Fruit in my data validation, I get the message "The List Source must be a delimited list, or a reference to single row or column." I thought my name "fruit" was a delimited list.
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May 28, 2014
The function below should return the value in a cell IF the string in the cell two cells to the left of it is "Nemo" Omitting the part highlighted in blue, my function returns a list of unique values...but when it's included, nothing is returned at all. Perhaps, there is an error in the syntax that I'm overlooking?
Function listUnique(rng As Range) As Variant
Dim row As Range
Dim elements() As String
[Code]....
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Dec 17, 2012
how to list values from multiple columns in a dropdown list based on lookup value of 1st column as below.
This is how the table looks like.
Product MOLD1 MOLD2 MOLD3
4" AB1 AB2 AB3
6" ZA2 zd4 -
This is how the dropdown list should look like for Product 4"
ab1
ab2
ab3
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Sep 15, 2013
I have some data with recurring key values and differing values in the second column, I need to produce a unique list of key values with the second values concatenated together.(See below)
The data can be 10 rows to 5000 and I can have anything from 5 to 150 sheets (Separate data sets), a macro would go a long way to keeping me sane.
Sample data Required Output
A | B Z
1| 10 | a 10,a,b,c
2| 10 | b 11,a
3| 10 | c 12,a,b
4| 11 | a
5| 12 | a
6| 12 | b
My system is Windows 8 Excel 2010.
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Feb 24, 2009
Sheet2 contains various data, including one column of dates.
What I would like to do is populate Sheet1 with functions that search Sheet2 for date values between two separate date values on Sheet1 (cells F1 and G1). When a match is found on Sheet2, row contents from Sheet2 should populate on Sheet1.
In addition, I would like the functions only to match listings in which the value in column E on Sheet2 is greater than zero.
I have attached a sample workbook that illustrates the structure of the worksheets and the desired results. Looking forward to finding a good solution.
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Aug 14, 2014
1. Using a formula, I am trying to to obtain a list of unique values (string) (caveat: see #2) from the range E2:E10000 (arbitrarily chose 10000 - the row number is variable)(see #3).
I currently have a formula that seems to work for this purpose but I don't know how to add the condition in #2 (below)
2. To include all unique string values except those starting with the letters "IC"
3. Is there a way to make this formula so that it can only seek values up to the last row, and not go to the 10000th row if not necessary? The E column has no empty cells until after the last row that contains data.
Here is the formula I currently use which serves #1 (above):
[Code] .....
Any way to improve/simplfy this formula for the purpose describbed in #1? How can I add the condition in #2? Can you see a way to include #3? The most important issue here is #2.
Example of desired results:
Column A | Column B
AA | AA
DD | CC
AA | DD
CC |
DD |
DD |
IC |
IC |
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Feb 11, 2013
compare some list of values in order to fiind the common values.
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Jan 12, 2014
how I can list 3 different values to a list of list of 3 in a combo box, is.
combo box
select high = 35
select middle 30
select low = 25
I have the names in the box I just need it to add a value (which I have listed 1 in each separate cells) to each selection
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Feb 24, 2007
I have two lists in the same workbook:
List 1) Contains customer contact information, including an account number. These account numbers may be duplicated in the list.
List 2) Contains account numbers of customers who wish to be removed from the first list.
I need to remove the rows from the customers list (List 2) where the account numbers match, and also copy those to another list for review. So far, I can manually choose and run some code to remove one particular account number only (eg 123):
Set FoundCell = Range("A:A"). Find(What:="123")
'Locate information to remove
Do Until FoundCell Is Nothing
FoundCell.EntireRow.Copy
Sheets(" Deleted List").Select
'ActiveSheet.Next.Select
Range("A1").Select
Selection.End(xlDown).Select
Selection.End(xlDown).Select
Selection.End(xlUp).Select
ActiveCell.Offset(1, 0).Select..................
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Dec 5, 2007
I have two worksheets, one which contains a list of workstation numbers, and another which contains all of the workstation numbers and additional information on the workstations in the company.
I want to remove all workstation numbers and their information which are not present on the first list from the second list.
In the first w.orksheet each workstation number is in a seperate row, and in column one (seperate cells).
In the second worksheet, each workstation number and its corresponding information is on the same row, and each different workstation is on a seperate row with its information.
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Jan 31, 2014
how to get this with formula:
Column A - - Column B
a - - - - - - - a
a - - - - - - - b
b - - - - - - - c
c
c
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Mar 19, 2009
I'm trying to create a drop down list which returns values based on what has been selected in the previous drop down list in the adjacent cell, e.g. if 'Apples' is selected in the previous cell then you should only be able to select from 'Gala, Granny Smith', or if 'Oranges' is selected you should only be able to select 'Seville, Blood Orange'. Is there a formula which would do this, or can I use a pivot table somehow? I'm totally stumped.
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Aug 24, 2008
I have an excel spreadsheet that is several thousand entries long. There are cases in which duplicate entries will spring up on that list.
What I want to do is come up with a formula that will find the first duplicate entry in that list and then display that entry in cell on another worksheet. If it was at all possible, I would also like to have the row that the duplicate entry is contained on display as well, in a different cell of course.
I do not want to highlight them using conditional formatting since I have used that to perform other tasks on that sheet and that wouldn't display the entries in a different cell for me, and I would prefer not to use a macro to perform this function it that was at all avoidable.
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Oct 26, 2009
I need to have a drop down list which displays a different set of values depending upon the value selected by a previous drop down list. ie. (drop down box 1)= x, y, z. (drop down box 2)= either x1, x2, x3, or y1, y2, y3, or z1, z2, z3. I can produce a single drop down box thats not a problem but linking several drop down boxes is beyond me .
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Aug 13, 2007
I have a list of values on my spreadsheet in a similiar order to this:
17.91
16.59
15.00
14.86
13.56
12.17
11.01
0.0
I use the average function to work out an average for all the values, but since the value of 0.0 is showing i should not include this as an average. the range of values above (8) will always be the same for the month - so i need to find a way of omitting the 0 value without keep changing the formula
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Dec 15, 2009
How can I extract non zero values from a list of values
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