第三章数据分析方法课件.ppt

* 139 * 141 * * * * * * 19 This teleology is based on the number of explanatory variables nature of relationship between X Y. * 20 This teleology is based on the number of explanatory variables nature of relationship between X Y. * 21 This teleology is based on the number of explanatory variables nature of relationship between X Y. * 22 This teleology is based on the number of explanatory variables nature of relationship between X Y. * 23 This teleology is based on the number of explanatory variables nature of relationship between X Y. * 24 This teleology is based on the number of explanatory variables nature of relationship between X Y. * 24 This teleology is based on the number of explanatory variables nature of relationship between X Y. * 28 * * 35 * 36 * * 42 * 43 * 44 * 45 * 46 * 47 * 48 * 51 * 52 * * 78 * 79 * 80 * 132 * 134 * 135 * 136 * 137 * 138 2. 在列中插入数据（Inserting Data within a Column） ① To insert a cell in a column, select the cell that is directly below where you want to  insert the new cell.  选定拟插入新单元格下方的单元格 ② Then select Edit:Insert  or right-click →select Insert from the shortcut menu.  执行编辑菜单中的插入命令 ③ The new cell inserts above the selected cell. 新单元格将插在所选定单元格的上方 3. 删除数据（Deleting Data） To clear the entire contents of a worksheet, select Edit: Clear Worksheet. 删除整个工作表中的内容 To delete the contents of a range of cells from the worksheet, select Edit: Clear. 删除单元格或单元格区域中的内容，格子保留 To delete a range of cells from the worksheet, select Edit: Delete. 内容和单元格同时删除 Attention: Delete (1) The Edit: Delete deletes a selected values and cells (2) The keyboard: Delete deletes the worksheet values only. 4 . 列的插入、删除和重排 Adding Columns：增加列 Perform one of the following operations: Select Column:Add New Columns. Click the Add New Columns button on the Standard toolbar. Right-click inside the worksheet window but to the right of the worksheet grid. Select Add New Column from the shortcut menu. Inserti