The Data Menu
-> Mr. Stanbrough ->GA
How-To Notes -> this page
Options in the Data Menu include:
- New Data Set: This will
create a new data table in which you can type or paste new
- Delete Data Set: To
delete a data set, select it, then choose this menu option. You
can also delete a data set by clicking the "close box" in the
upper-left corner of the window.
Rename Data Set: To rename a
data set, select it with the mouse, then choose "Rename Data Set"
from the Data Menu. Type the new name into the dialog that
The Rename Data Set Dialog
- New Column: Select the data
set window with the mouse, then choose "New Column" from the Data
Menu. A new column will be added to the right of all existing
columns in the data set.
- Column Formula: You can
select an option from the "Column Formula" submenu to build a
formula for a column
- Delete Column: Highlight
the column you want to delete by clicking the mouse in its
heading, then select "Delete Column" from the Data Menu. Poof!
Increment: Instead of manually
typing a whole list of data values that simply increase or
decrease by a set amount, Graphical AnalysisTM
will fill in the data column for you. Here's how:
The Increment Dialog
- Position the cursor at the first data value in the
- Select "Increment" from the Data Menu.
- Type in the starting value, the increment, and the ending
value, then click the "OK" button.
- Sort: To sort a data column (smallest
value at the top), highlight it, then select "Sort" from the Data
Statistics: To get statistics on a
data column, highlight the column by clicking its heading, then
select "Statistics" from the Data Menu. Statistics displayed
The Data Statistics Dialog
- Data Set: This is a pull-down menu, so you can view column
statistics for other data sets.
- Column Label
- Column Units
- Number of Values
- Mean (average)
- Standard Deviation (a measure of the spread of the data - a
large value means that the data is "spread out", a small value
means that it is "clumped together")
- Color: To change the (graph) color of
a data set, highlight it by clicking in its window. Select "Color"
from the Data Menu. This will bring up a standard color dialog
from which you can choose a new color.
Data Options...: When you
select "Data Options..." from the Data Menu, the dialog shown at
right will be displayed. You can change:
- Rounding: You can select a particular number of significant
digits or decimal places.
- Angle Measurement: You can select to measure angles in
either degrees or radians.
last update July 11, 2000 by JL