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Analyze the data
Once you have captured all your events, press the @!STAT@ menu key to proceed to
the Statistics application, where your data set has been saved. For a brief summary
of the Statistics application, refer to the section titled, Analyze experimental data
in Chapter 2. For more complete information, please consult your calculator's
user's guide.
Data logging
Under certain circumstances, it is desirable to run an experiment for a particular
duration (e.g., 3 seconds exactly) and collect a particular number of samples (e.g.,
50 samples). The StreamSmart 410 accommodates this need via the Experiment
option under the Views menu, as illustrated in Figure 3- 1 2 and Figure 3- 1 3.
V
1.
Press
Set LENGTH to 3 seconds and SAMPLES to 50.
2.
3.
Press $#OK?@ to trigger data collection.
Figure 3- 1 2 The Experiment Menu
Data collection is shown as a time graph, just like a streaming experiment.
However, StreamSmart collects 50 discrete sets of sensor readings in a 3-second
period at a uniform frequency of 1 reading every 0.06 seconds. Figure 3- 1 3 shows
50 data points have been collected (Export:50) and the trace cursor readout at
the far left of the screen shows that the elapsed time is exactly 3.0 seconds
(x:3.0s). At this point, the user is ready to select and export a final data set. Refer
to the section titled, Select a set of data in Chapter 2 for more details on selecting
and exporting a data set.
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Experiment to enter the Experiment menu.
Capturing Data from Events
Figure 3- 1 3 50 Readings in 3 Seconds.
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