Must Know Vlookup の使い方 References

エクセル、VLOOKUPの使い方とIF関数でN/Aを非表示に。 from kakaseri.com

Introduction to VLOOKUP

Are you using Excel for data analysis or managing data in your work or business? Then, you must have heard about VLOOKUP function. VLOOKUP is a powerful function that helps you to look up and retrieve data from a table or range of data. With VLOOKUP, you can quickly find and extract specific data from a large dataset without manually searching for it. In this article, we will discuss the basics of VLOOKUP and how to use it effectively.

How VLOOKUP Works

VLOOKUP stands for "Vertical Lookup." It is a lookup function that searches for a specific value in the first column of a table or range and retrieves the corresponding value from a specified column. The syntax of VLOOKUP is as follows: =VLOOKUP(lookup_value, table_array, col_index_num, [range_lookup])

Lookup_value: The value you want to look up in the first column of the table or range.
Table_array: The table or range of data from which you want to retrieve the data.
Col_index_num: The column number from which you want to retrieve the data.
Range_lookup: It is an optional argument that specifies whether you want an exact match or an approximate match.

Using VLOOKUP Step-by-Step

To use VLOOKUP, follow the steps below:

Enter the lookup value in a cell.
Select the cell where you want to retrieve the data.
Enter the VLOOKUP formula in the selected cell.
Press enter to get the result.

Example:

Suppose you have a table of sales data that contains the product name, salesperson name, and sales amount. You want to find out the sales amount for a specific product. Here's how you can use VLOOKUP to retrieve the data:

Enter the product name in a cell.
Select the cell where you want to retrieve the sales amount.
Enter the VLOOKUP formula in the selected cell: =VLOOKUP(A2, B2:C10, 2, FALSE)
Press enter to get the result.

Understanding the Arguments of VLOOKUP Formula

In the VLOOKUP formula, the first argument is the lookup value. It is the value you want to find in the first column of the table or range. The second argument is the table array. It is the range of data from which you want to retrieve the data. The third argument is the column index number. It is the column number from which you want to retrieve the data. The fourth argument is the range lookup. It is an optional argument that specifies whether you want an exact match or an approximate match. If you want an exact match, then set it to FALSE; otherwise, set it to TRUE.

Common Errors in VLOOKUP

VLOOKUP is a powerful function, but it can also be prone to errors. The most common errors in VLOOKUP are:

#N/A: This error occurs when the lookup value is not found in the first column of the table or range.
#REF!: This error occurs when the column index number is greater than the number of columns in the table or range.
#VALUE!: This error occurs when one of the arguments in the formula is not a valid value.
#NAME?: This error occurs when the VLOOKUP function is not recognized by Excel.

Conclusion

In this article, we have discussed the basics of VLOOKUP and how to use it effectively. With VLOOKUP, you can quickly find and retrieve specific data from a large dataset without manually searching for it. Understanding the syntax and arguments of VLOOKUP can help you to use it effectively and avoid common errors. So, start using VLOOKUP today and make your data analysis more efficient and accurate.