Page 142 - Excel Timesaving Techniques for Dummies
P. 142

26_574272 ch23.qxd  10/1/04  10:28 PM  Page 127
                                                            Tricks for Making the Plotted Data Easier to Decipher
                           I increased the Minor Unit from Excel’s auto-  For charts that use both an X-axis and a Y-axis, 127
                           matic increment of 100 up to 250. (The Minor  sometimes the easiest thing you can do to improve
                           Unit determines where Excel draws tick marks  the legibility of the chart is simply to add minor grid-
                           should you choose to display the minor gridlines  lines. Depending upon the type of chart, these extra
                           for the Y axis.)                             lines can guide the eye from the tick marks displaying
                                                                        the closest values on the Y-axis to the actual data
                      Figure 23-7 shows you the results of all this tinkering  points in the chart.
                      with both the number formatting of the headings on
                      the Value (Y) Axis and as well as its scale. As you can  To add (or remove) gridlines from a chart that uses
                      see, these headings are much cleaner and easier to  them, follow these steps:
                      read without the unnecessary decimal places. Also,
                      modifying where the Y-axis scale begins and ends   1.  Choose Chart➪Chart Options to open the Chart
                      gives you a much clearer vision of the top and low     Options dialog box.
                      sellers among the CDs and cassettes.
                                                                             You need to select the chart to add the Chart
                                                                             menu to the menu bar when working with an
                                                                             embedded chart.
                                                                         2.  On the Gridlines tab (see Figure 23-8), select (or
                                                                             deselect) the Major Gridlines and/or Minor
                                                                             Gridlines check boxes for the appropriate axis.
                                                                         3.  When you’re finished, click OK.









                      • Figure 23-7: Clustered Column chart after formatting the
                                 Y-axis headings and adjusting its scale.


                      Tricks for Making the Plotted
                      Data Easier to Decipher


                      The last area that often needs improvement is the
                                                                        • Figure 23-8: Displaying major X-axis and major and
                      plot area itself. What you can do to make this area          minor Y-axis gridlines for the chart.
                      easier to understand is heavily dependent upon the
                      type of chart you’re working. Some chart types such
                                                                        Figure 23-9 shows the Clustered Column introduced
                      as those in the Pie chart category allow for very lit-
                                                                        in the previous section after adding both the minor
                      tle improvement to their plot areas, whereas others
                                                                        gridlines to the Value (Y) axis and the major gridlines
                      such as Clustered Column and Clustered Bar charts
                                                                        to the Category (X) axis. Note how well the addition
                      allow for a great deal.
   137   138   139   140   141   142   143   144   145   146   147