Vernier EasyData Guidebook Manuel d'utilisateur télécharger pdf (Page 37)

36 EasyData Guidebook

After collecting data, EasyData displays a graph of the data, automatically

scaled for easy viewing. The calculator is placed in Trace mode

automatically so you can scroll through the collected data points on the

graph screen using the

and keys. Several common, data analysis tools

are accessible from the graph screen.

Graph Screen Overview

• The x-axis (horizontal axis) is the independent variable. For

example, in Time Graph mode this represents time, or in Events with

Entry mode it is a set of user-defined events.

• The y-axis (vertical axis) is the dependent variable. In all data

collection modes, it is the physical data collected by the attached

sensor.

The Advanced menu enables the plotting of

graphs using data collected from previous

data-collection trials, calculated data, data

entered by hand, or derivatives calculated

during titrations.

When multiple sensors, motion detectors, or photogates are used to

collect data, the Plots menu lists all possible data plots that can be

graphed.

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Vernier EasyData Guidebook Manuel d'utilisateur Page 37