Number columns

The Number column is a standard column for numerical data. Below is a numerical column entry as it is shown in the column definition list. Entering Numbers A Number column can contain numbers in the form 3.41, 3.51e3 etc, but can also contain in expressions like 5/2, sqrt(5), 5e, … […]

Extra Axis

By default, graphs contain an x and y axis with tick marks and ranges that are automatically generated based on the data selected in the drawing command. The Axis settings have a number of ways to customize the axes, but when you need more customization, add an Extra axis command. […]

Legend command

The Legend command automatically creates a legend based on the data being drawn. Add a Legend command from the menu Command/Add Legend or select the legend shortcut from the tool bar. The legend is a key consisting of a label and a small graphic element the changes depending on the type of […]

Text command

The Text command is an annotation tool that is similar to the Label command, but has additional functionality that allows you to enter and align one or more lines of text using labels and tokens. The Text command allows you to insert references to variables and values inside drawing commands. […]


Range can be used to highlight a coordinate region in x and/or y. It is also possible to use it as a basic building block. In the simplest case you specify a single interval in either the x or y direction. You can drag the edges of the interval with […]


The Region command allows you to highlight a region of space within a graph. You can resize the region by using the mouse. Click inside the region to drag it to a new location without changing the width or height. Type Choose from three object types: Rectangle – can be […]


The Bracket command draws several types of brackets and a text label. The Bracket consists of two lines, or arms, with a middle line, or connector, between them. The text label is located in relation to the connector. When you create a new Bracket command, DataGraph will create a ‘Horizontal’ […]


The Label command allows you to point out a particular location on a graph. When you create a new Label command, it defaults to an arrow that points to the center of the axis region. Drag the arrow around the screen. Drag the label to change the relative text location, […]

Multivariable Fit

The Multivariable Fit command finds the best fit line for equations of the form where y is the dependent or response variable and the x values are the independent or predictor variables. Background Simple linear regression is conducted in DataGraph using the Fit command, where y is a function of […]

Fit Command

The Fit command allows you to fit x-y data with a function, and includes linear and non-linear regression (i.e., curve fitting). Select the fit function, get the expression and see the result on the screen. Opening the drawing command reveals a number of options, and settings. Some of them are […]