Page 212 - Excel Timesaving Techniques for Dummies
P. 212

41_574272 ch36.qxd  10/1/04  10:54 PM  Page 197
                                                                                                               197
                                                                                    Linking Consolidated Data
                       9.  Click the OK button to close the Consolidate  determining which data to consolidate. To use the
                           dialog box and have Excel consolidate the    top row of column labels, select the Top Row check
                           designated data.                             box in the Use Labels In section of the Consolidate
                                                                        dialog box. To use the left column of row labels,
                      Figure 36-3 shows you the consolidated worksheet  select the Left Column check box in this area. After
                      after closing the Consolidate worksheet and then  you specify all the source areas (including the cells
                      increasing its window to full size. This worksheet  that contain these column and row labels), click the
                      now contains the total sales for the last four years,  OK button in the Consolidate dialog box to execute
                      2001 through 2004.                                the consolidation in the destination area.

                                                                        Linking Consolidated Data


                                                                        During a consolidation, Excel enables you to link the
                                                                        data in the source areas specified in the All
                                                                        References list box of the Consolidate dialog box to
                                                                        the destination area in the new worksheet. That way,
                                                                        any changes that you make to the values in the
                                                                        source area will be updated automatically in the des-
                                                                        tination area of the consolidation worksheet. To cre-
                                                                        ate links between the source worksheets and the
                                                                        destination worksheet, you simply select the Create
                                                                        Links to Source Data check box in the Consolidate
                                                                        dialog box prior to performing the consolidation.

                      • Figure 36-3: Full-size worksheet after consolidating the  When you perform a consolidation with linking, Excel
                                 sales data from the last four years.   creates the links between the source areas and the
                                                                        destination area by outlining the destination area.
                      Consolidating Data by Category                    (See Technique 35.) Each outline level created in the
                                                                        destination area holds rows or columns that contain
                                                                        the linking formulas to the consolidated data.
                      You consolidate data by category when the source
                      areas do not share the same cell coordinates in their  Figure 36-4 shows just such an outline created during
                      respective worksheets but their data entries do use  consolidation. I expanded the level of the outline
                      common row and/or column labels. When you con-    showing the consolidation of the rock music CD sales.
                      solidate by category, you include these identifying
                      labels as part of the source areas. Unlike consoli-  Here, you can see that during consolidation, Excel
                      dating by position, Excel copies the row labels   created four detail rows for each of the four years of
                      and/or column labels you specify for use in the   sales (2001, 2002, 2003, and 2004) used in the linked
                      consolidation.                                    consolidation. These rows contain the external refer-
                                                                        ence formulas that link to the source data. For exam-
                      When consolidating spreadsheet data by category,  ple, the formula in cell B4 contains the following
                      you must specify whether to use the top row of col-  formula:
                      umn labels and/or the left column of row labels in
                                                                          =’[CG Media - 2001 Sales.xls]Sales01’!$B$4
   207   208   209   210   211   212   213   214   215   216   217