Advanced Lesson 1: Advanced Data Organization In Excel 2007, you can use a table to manage and organize related data. You can use the Autofilter tools to find and work with a smaller amount, or subset, of data.

Advanced Lesson 1: Advanced Data Organization When you use an advanced filter you can specify more criteria, and only those items in a range of cells or table that meet the criteria will be displayed. The criteria range contains the conditions that the data must meet in order to be displayed. The list range contains the list of data items. There must be a blank row between the criteria range and the data range.

Advanced Lesson 1: Advanced Data Organization A subtotal is the total, or sum, of a group of items within a larger set of items. To create subtotals in a worksheet, make sure the list is sorted so that similar items are grouped together. Excel will then automatically create the subtotals for you.

Advanced Lesson 1: Advanced Data Organization Grouping and outlining data allows you to show and hide details in a long list of data. When you create subtotals, grouping and outlining is turned on automatically.

Advanced Lesson 1: Advanced Data Organization If a worksheet has typos and mistakes, the filters and reports will not function properly. To control the type of data entered into cells, apply data validation criteria. Data validation is the process of ensuring that data is correct based on specific criteria.

Advanced Lesson 1: Advanced Data Organization Data validation is designed to prevent a user from keying invalid data into a cell. It does not prevent a mistake when you enter data in a cell. If you apply data validation after keying data into a worksheet, you can use the Circle Invalid Data tool to highlight data that do not meet the criteria. This tool puts a red circle around any data that is not allowed so that you can easily find and correct problems.

Advanced Lesson 1: Advanced Data Organization A duplicate value occurs when all values in a row are an exact match of all the values in another row. Using the Remove Duplicates filter allows you to specify which columns should be checked for duplicate information.

Advanced Lesson 1: Advanced Data Organization You can use the Evaluate Formula tool to see how Excel attempte d to calculate the formula. The Evaluate Formula tool will show you what part of the formula is not working. Then you can make changes so that the calculation function will work properly.

Advanced Lesson 1: Advanced Data Organization If you need to refer to a certain cell or range of cells often, give it a name. You can then refer to the cell or range by the name instead of by the cell reference.

Advanced Lesson 1: Advanced Data Organization It is often convenient to use a name in a formula. For example, the name January is easier to remember than B4:B67 and less likely to be miskeyed. Ex. =B4/Total

Advanced Lesson 1: Advanced Data Organization If you need to change the name of a cell or a range of cells, you can use the Name Manager to modify or delete the defined names used in a workbook.

Advanced Lesson 1: Advanced Data Organization When cells are merged, two or more cells are combined and the information inside the cells is either centered in that area or left aligned. If you decide that you no longer want cells to be merged, you can split the merged cells back into their normal sizes.