In this article, we will learn How to extract the column index from the table in Excel.
Many times when working with long scattered data, we need to first clean data before working on it. It takes time and you just wanted to extract some queries. To extract data, you generally use the VLOOKUP function. But when we have long data with many column fields, then it gets messy because VLOOKUP function requires the correct column index as number, or else the formula returns error. Right there, below is the formula explanation for this kind of problem.
How to solve the problem?
For this we will use the MATCH function. If you haven't heard of this function, get used to it. It is an excel lookup function which returns the Index of the lookup value in the array. Here we need to get Index number of the column name. Then we will proceed to further step How to lookup values in tables using the MATCH function. Below is the Generic formula
|=MATCH(column_name, table_header, 0)|
column_name : lookup value
table_header : table header array
0 : lookup for exact match
All of these might be confusing to understand. Let's understand the formula with explanation and example. Here we have a data table in Sheet 1 ($A$1:$U$9995). So we have the table header as A1:U1 (The first row of the table).
Let's see the below formula to apply on the table.
Use the formula
As you can see the column index of Order ID in table is 2nd. But it's very irritating to use the table header as full abbreviation, so we use the named range for the table header array. Learn more about named ranges here. The named range used for the table header (Sheet1!$A$1:$U$1) is "header".
Use the formula.
Here the above snapshot explains two things. First is Column Index of State in table is 11 and second is named range "header" works fine. Copy the formula for remaining column names using Ctrl + D or dragging down from the right bottom edge the used cell.
Here we have all the column Index. Now we can use to give as input to the VLOOKUP function as shown below.
MATCH index in VLOOKUP function:
Now we have the solution for, how to get the column index of the table. We can use the formula as input to the VLOOKUP function. For example, we need the product name bought by the customer name "Pete Kriz".
Use the formula:
Note: make sure lookup value in D10 (Pete Kriz) must be in the first column of the table.
As you can see the formula returns the product name from the customer name in table. Generally we don't use MATCH with VLOOKUP function because the lookup value must be in the first column, which hardly happens. So we use the combination of INDEX and MATCH function. Learn more about How to look up value using INDEX and MATCH function.
Here are all the observational notes regarding using the formula.
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