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Below is a table comparing the capabilities and benefits of each lookup method. The first step in deciding which lookup formula to use is to determine what kind of lookup you need to perform. There are essentially three lookup types: Vertical Lookup A vertical lookup is the process of defining a lookup value, finding that lookup value vertically on the left hand column of your data set, and then returning the value in the column related to your lookup value.
Horizontal Lookup A horizontal lookup is very similar to a vertical lookup, except that after you define the lookup value, you must find your lookup value horizontally across the top row of your data set, and then return the value in the row related to your lookup value.
Two things to note about horizontal lookups: As you can see in the table above, Index Match covers both vertical and horizontal lookups. You can utilize Index Match as an Hlookup formula simply by referencing ranges that are horizontal rather than vertical. However, you will likely run into situations where you have to deal with horizontally arranged data, especially in situations involving date keys.
Unless you are unable to manipulate the data, one of the best practices in Excel is to copy horizontally arranged data and transpose it.
That way you can use a vertical lookup formula rather than a horizontal one. Matrix Lookup As mentioned before, a matrix lookup implies that you are looking up both a vertical and horizontal value to pinpoint the return value you want to pull. This is essentially the process of establishing coordinates on a grid to locate a value, except in this case the coordinates are lookup values.
Once you understand the type of lookup you need to perform, there are a number of factors you should to consider to determine which formula works best in your situation. Simplicity While definitely not the most important issue, the simplicity of your formula is something you should consider when writing a lookup.
While it may be easy for you to memorize and write a complex lookup formula by yourself, the next person who inherits your work may have more difficulty. For the uninitiated, these formulas are much more intuitive and easier to learn. Because these formulas are built into Excel, when you begin typing a Vlookup or Hlookup formula, the program prompts you with the required syntax for each input you need to make.
Every other formula on the list is a combination of formulas; therefore you have to make custom adjustments to your inputs without Excel to guide you along the way.
Your work is rarely done the minute you finish writing your lookup. This becomes a complication because not all Excel lookup formulas are immune to changes made in your data set.
The most common issue that occurs is when you insert a column or in the case of Hlookup a row into your data set.
Because the column reference in the basic Vlookup formula is fixed, inserting a column changes your return value. The same issue occurs when you delete a column in your data set.Why Edward Snowden loves open source Infamous government hacker Edward Snowden believes open source is fundamentally better than proprietary technology, which he believes disempowers users.
Tagged as: hlookup, index match, lookups, vlookup To learn more about Excel, go to the organized listing of all my Excel tutorial posts or review the most popular Excel books on Amazon. The Complete Guide to Excel Lookup Formulas. One of the most common tasks in Excel is the process of looking up specific values within a data set.
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