How to program excel with vlookup function - excel

I have this excel file with two sheets. Sheet 1 is the page where all of the part numbers and descriptions are placed. Sheet 2 is a database set into two columns one with part numbers the other with the description.
I have been looking into vlookup within excel and in which case i have it working with the part numbers so when i enter the part number or choose from drop down it will auto populate the description for me. The issue I am having now is that when i enter the part number it doesn't auto populate the description column until i double click the cell with the formula and hit enter.
I also want to do a reverse lookup from the description side where it will auto populate the part number as well.
Here is my formula I used for the vslookup.
=VLOOKUP(A9,Database!$A$1:$B$250,2,FALSE)
I came up with this formula after researching how to do it but I had to change the A9 portion to each row number ie. row 9, row 10, etc..

If you want to do a reverse lookup then vlookup will not work as it only works left to right - unless you repeat the data in column A in column C...
However, the more elegant solution is with index() and match().
=INDEX(Database!$A$1:$A$250,MATCH(B9,Database!$B$1:$B$250,0))
Not tested, written based on the info you gave in your vlookup, match will find the position of the item looked for and then index collects the result at that position in column A.
The beauty of index/match is that the columns don't have to be next to each other AS LONG AS THEY ARE THE SAME LENGTH...

Try right clicking the numbers column > format cells > format as text (by choosing "text" under the categories box). Hopefully this will make the auto populate work.

Related

How do I reference the three largest values in a column and their corresponding text in the column next to it?

I am building an excel sheet that returns the three highest values from a column in another sheet (sheet2, column B) along with their corresponding company (sheet2, column a). Ultimately, in sheet 1, I want to have a table that will display the company with those values.
This is what I am trying to achieve:
AWS ($280.9m), Google ($241.9m), Meta ($168.7m)
I was trying to use the large formula, but this does not help me with referencing the corresponding company so I’m unsure how to return both.
You can use LARGE to get your top-n, and then wrap with INDEX/MATCH and OFFSET to get the company name.
Cell E3 formula:
=LARGE($B$2:$B$7,ROW(E1))
Cell D3 formula, which returns the column to the left of the Large value:
=OFFSET(INDEX($B$2:$B$7,MATCH(LARGE($B$2:$B$7,ROW(D1)),$B$2:$B$7,0)),,-1)
or remove offset and use....
=INDEX($A$2:$A$7,MATCH(LARGE($B$2:$B$7,ROW(D1)),$B$2:$B$7,0))
Drag down your formulas as far as you would like.
The above solution is good but kinda oldschool. I would use =SORT() function instead:
=INDEX(SORT(A46:B56;2;-1);{1;2;3})
Translation to human language:
=INDEX(SORT(MyArray;ColumnToSortBy;Descending);{get first three rows}, [column])
*note: depending on your windows settings your Array row separator may differ. The easiest way to check your it is to select any range with more than one row, then get to formula bar and click F9 to see result preview.
where [column] is an optional argument, by default it takes 1st column.

Excel: Extract data from well beneath unique identifier

I have a spreadsheet full of data (simplified example below) that I would like to extract the number in the well underneath of "Gimme the number" and paste it into a new column on a separate sheet (i.e. if "Gimme the number" is in G6, I would like to retrieve the value for G7). I do not have access to Excel VBA and have not used macros in the past. I found some examples linked below, but, from what I understand, they would return "Gimme the number", or "Gimme" not 19, 20, and 21. I am not sure if a pivot table is appropriate, because I only want information from a single column. I will only have up to 11 values to extract at any given time, so I think a formula would do it. I am just having a hard time coming up with one that works. Any help would be greatly appreciated!
Search for a text string and return multiple adjacent values
Return multiple matches with wildcard vlookup
I am not sure I get the question well, but I try.
First add a column right of the column with "Gimme..." values. Name it e.g. "Next_value" in the first row. Put in the formula referencing previous column next row. If "Gimme..." is in the cell (for instance) E6, than your formula in the cell F6 is =E7. Copy that formula into the whole Next_value column.
Than select area of these two columns (Label, Next_value) and apply the filter from the Data toolbar. Use the small buttons with triangles at the top of the column Label to adjust the filter so only "Gimme..." rows are filtered.
Now, copy values of Next_value column where you like. If you want just the references, use Paste special function from the Home toolbar and click Paste link button.

Get differences between two columns in Excel

I would like to compare two columns in Excel and get the list of elements that are present in the first column, but not the second one. The same elements are not in the same rows. My table looks like this:
The expected output would be records "aadapa" and "acaso", since these are only two elements not present in the second column. "aklepac" and "apniewsk" are in the second column only, so shouldn't be outputed.
I would appreciate any help with this case.
If your columns are Column A & Column B, you can enter the following formula in Cell C1:
=IF(COUNTIF(B:B,A1)=0,A1,"")
The drag it to fill down and whatever doesn't appear in the second column will be listed in this column.
With the new Dynamic Array formulas(Currently only available to Office 365 Insiders) simply filter column A with countif:
=FILTER(A1:A4,COUNTIFS(B1:B4,A1:A4)=0)
Put that in the first cell and Excel will spill the rest down.
With Current versions we can use INDEX/AGGREGATE:
=IFERROR(INDEX(A:A,AGGREGATE(15,7,ROW($A$1:$A$4)/(COUNTIFS($B$1:$B$4,$A$1:$A$4)=0),ROW(1:1))),"")
But this requires that the formula be placed in the first cell and copied down till blanks appear.

Excel 2010: Counting cells with adjacent cell blank

I have data in rows where each column represents a day, some of which are blank and some of which have numbers. I want to "scan" down the row, comparing each cell with the one before to the left of it (or the one 2 spaces left of it, etc). For example, I want to sum the number of cells (days) with a blank in the cell before it. Or, I want to sum the number of cells that are greater than the cell to the left of it. I can't figure out how to dynamically compare to the prior column using addresses that change with each cell.
This is from what I understood from your Question:
If you refer to the screenshot below, you want to count Columns B to H if the column has a number and the column to the left is blank.
So, if this was just one column, we would write the formula as:
=COUNTIFS(B3,">0",A3,"")
Now since you want to do this for a range of columns (an array of cells), you need to do something like:
=COUNTIFS(B3:H3,">0",A3:G3,"")
and accept with a Ctrl + Shift + Enter.
So the formula would be displayed as:
{=COUNTIFS(B3:H3,">0",A3:G3,"")}
Array formulas are perfect for this task. I can't give you a lecture on the topic but you should read on it. Basically, you can select multiple cells in a range and act as if it was one cell.
For example, you could do something like this:
=SUM(IF($A$1:$A$100="", 1, 0))
When you enter array formulas, be sure to hit CTRL + SHIFT + ENTER in the formula box to signify that you want Excel to treat this formula as an array formula. Otherwise you will not get the expected results.
Using this method you can do any kind of comparison. Sometimes it helps to see how Excel treats the formula. You can select part of the formula in the formula editor and hit F9 to see what this segment computes to according to Excel.

Find and count each occurence of a name is column A then read a value from column B

I need a formula that is beyond me and my Excel skills, I need to insert the number of times a match is found in column A into column C and then insert the total number of days for that person in column D. Can anyone help?
In cell C2:
=COUNTIF(A$2:A$6,A2)
In cell D2:
=SUMIF(A$2:A$6,A2,B$2:B$6)
See also:
COUNTIF
SUMIF
Have you considered using a pivot table? It's a little bit overkill but greatly simplifies what you want to do. Assuming your using Excel 2007:
Select the range of data including column labels.
Go to Insert->[Tables]->PivotTable.
In the dialog box that appears, select Existing Worksheet, choose a cell a click OK.
At this point, the PivotTable pane appears with your field names in one box and four other labeled boxes below.
Drag Name to the Row Labels box.
Drag Name to the Values box.
Drag Days to the Values box.
You're done!

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