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Matching Headers from two different tables when the headers are not the same
So I am looking for a vba code design which can take data from two/three tables and compare the headers. To paint some context I have two tables a Transaction table and fact table. The col headers have different naming conventions but the data matches (at least on a majority of col headers). I have to daily compare the tables and its a nuisance doing this due to the amount of headers. So wanted to know what kind of script could be written to help solve this problem?
Thanks
A vba/macro which can do this once the two tables are referenced to avoid manual comparisons
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I want to return all rows in a particular dataset, with the value in a particular column. Without writing multiple vlookup statements and manually filtering the data. Can I do this using VBA, where it selects the data and creates new excel workbooks with this data?
I tried indexing, but it doesn't quite do what I want
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I am trying to create a new colunm in a df that returns number of elements of a column row by row.
I tried this
df['Elements'] = len(df['Goals']) sadly all I get is column full of the same number, I understand what is returning are not the elements that the columns 'Goals' has in every row but all the elements included in the column 'Goals' in total. I do not know how to get the len() of the list included in the row.
Could someone help me, I would really appreciate it
I think you're looking for str.len():
https://pandas.pydata.org/pandas-docs/stable/user_guide/text.html
df['Elements'] = df['Goals'].str.len()
You can do it with pandas.Dataframe.apply:
df['Elements'] = df['Goals'].apply(len)
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I have a large amount of data that was converted to excel recently.
There are just two columns and more than 100000 lines. There is an Image as an example attached here.
The systems are always in the second columns as well as the data, but the loads and the rest of the information are in the first column, as you can see in the example, the "Max load" always repeat, but in the system 001 there is a difference of two lines between it and the system name, but in the second system the difference is three lines. I want to make a table for Max load with all the systems, those are the things I tried:
I used MATCH to find the line where the System name appears, knowing that the difference would be either 2 or 3 lines, I made a table with 2 and 3 in the header and I added it to the line I found and MATCH, it kind of work, but I wanted something better than this improvisation.
I also tried using (where X2= the line where the system name appears)
=MATCH(AA1;OFFSET(A1:X2:0:100:1);0)
Because I thought that OFFSET would return a range to MATCH, but it didn't work.
I want to know if there is a way to find the text "Max load" after the line I found using the Systems' names in MATCH. Basically, I want to know if there is a way of using kind of a "dynamic array" inside MATCH, so I would use it to find "Max load" right after the system that I am looking for.
I don't if this works, but if there is any other way of doing it, I am glad to know about it.
Thanks very much,
Matheus
You can use multiple match with index. Use below formula. It will not care how many rows are different from system to data.
=INDEX(D:D,MATCH(H4,D:D,0)+MATCH("Max Load",INDIRECT("C" & MATCH(H4,D:D,0) & ":C200000"),0)-1)
I think you are overthinking this way too much. If you just have either two or three rows, if offsetting the answer by 1 gives you 0 then use a simple if statement to offset it by 3.
=IF(INDEX(E:E,MATCH(H3,E:E,0)+2)>0,INDEX(E:E,MATCH(H3,E:E,0)+2),INDEX(E:E,MATCH(H3,E:E,0)+3))
Another option
In I4, formula copied right to J4 and all copied down :
=INDEX($D:$D,AGGREGATE(15,6,ROW($C$6:$C$1000)/($C$6:$C$1000=I$3),ROW($A1)))
Another solution would be
=INDEX(INDEX($D:$D,MATCH($F4,$D:$D,0)):$D$200000,MATCH(G$3,INDEX($C:$C,MATCH($F4,$D:$D,0)):$C$200000,0))
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I am looking for a way to automate checking a demographic sheet filled in by a trainee against an answer key.
Our sheet currently has data validation built in to return TRUE or FALSE on whether the answer matches the answer key, but I'm looking for a way to then display the exact text string, so as to provide feedback on the exact error.
For example the way it currently functions is:
Sheet1!A1=Cat
Sheet2!A1=Dog
Sheet3!A1=FALSE
What I'm looking for, is a to utilize VBA to generate a comment balloon on Sheet3!A1 and see the exact error for easier feedback.
I'm new to working with advanced functions in Excel, so if anyone has a pointer in the right direction, I would greatly appreciate it!!
I Suppose your want to check Sheet1 = Sheet2 in sheet3, and show the error if does not match.
To make it simple, just use formula in sheet 3,
=IF(Sheet1!A1=Sheet2!A1,"",Sheet1!A1 & "|" &Sheet2!A1)
if they match, nothing will be show, if they don't match, it will show Sheet1figure|Sheet2figure
this is easier than showing True/False
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Far too often, I've got a formula that wraps functions inside of functions inside of functions, and when some new condition requires that I wrap another function around it, I often find myself completely losing track of which parentheses go where, which function applies to which set of parameters and usually find myself debugging a statement for a half hour after my modification produces unexpected results.
What I've BEEN doing is to cut the function into its individual parts in a column...each row representing a single function, and when I'm satisfied that end result is what it needs to be, I copy each piece back into it's respective spot in the preceding cell until I have a completed, and hopefully working, function.
CONSIDER:
=IF((ISERROR((VLOOKUP(D2,$A$2:$A9,1,0))),(IF((D2=(VLOOKUP(D2,$A$2:$A$9,1,0))),0,D2)),E2)
0 =IF((ISERROR((VLOOKUP(D2,$A$2:$A9,1,0))),L17,E2)
TRUE =ISERROR((VLOOKUP(D2,$A$2:$A9,1,0))
0 =IF((D2=L18),0,D2)
the =VLOOKUP(D2,$A$2:$A$9,1,0)
It'd be great to be able to document inline or have something similar to a VBA popup ion which to edit formulae, but since that doesn't exist, I'd be interested to know what other techniques for effectively building complex functions you've found helpful. Thoughts?
Normally, I split formulas over multiple columns - each column then contains a part of the formula. I never stuck them into a single cell - while "cleaner" they are impossible to debug.
If the columns are to much, I build a "admin" sheet, which can be hidden.
I dislike the excel formula editor in general - while I really like the power of the formulas, the editor is a pain to use.