Basic Symmetric Y Error Bars
Y values
+--------------------------------------------------------------------------------+
|                                                                                |
| |                                                                              |
| |                                                                              |
| 3                  -                                  --- Data with Y errors   |
| |                  -      -                                                    |
| |          -   - - -- --  -                                                    |
| 2          -- -    -     -- -                                                  |
| |        - -       -      -  --   -                                            |
| |      --  -              -     ---                                            |
| |  -  -                           -                                            |
| 1  --                             ---                                          |
| |  -                              -  -                                         |
| |  -                                   -- -                                    |
| |                                        --                                    |
| 0                                         --                                   |
| |                                         - -                                  |
| |                                            --                                |
| |                                              -- -                            |
| -1                                               --                            |
| |                                                 --                           |
| |                                                 - -                          |
| |                                                    --  -                     |
| -2                                                     ---                     |
| |                                                        - -     -       -     |
| |                                                        -   --  -       -     |
| |                                                        -      -- -- -- -     |
| -3                                                               -       -     |
| |                                                                -       -     |
| +---------+---------------+---------------+---------------+--------------+---- |
|           2               4               6               8             10     |
+--------------------------------------------------------------------------------+
                                    X values