Vernier Software & Technology LQ2-LE 用户手册
Getting Started with LabQuest 2
3
4. Once data collection is complete, the graph
autoscales to the data. Tap the graph to examine a
point of interest. The coordinates of the point are
shown in the pane to the right of the graph. Tap
another point or tap the Examine buttons to move
the cursor left
point of interest. The coordinates of the point are
shown in the pane to the right of the graph. Tap
another point or tap the Examine buttons to move
the cursor left
and right
.
5. To select a region of data for analysis, tap-and-drag
across the graph to highlight the desired region.
Note: To analyze all of the data, you do not need to select a region.
Statistics
To view statistics for the selected data, tap Analyze
on the Graph screen, then choose Statistics. Tap the
checkbox to select a data set. The statistics
information is then displayed in the panel to the
right of the graph.
on the Graph screen, then choose Statistics. Tap the
checkbox to select a data set. The statistics
information is then displayed in the panel to the
right of the graph.
To remove the displayed statistics, tap Analyze on
the Graph screen, choose Statistics, then tap the
checkbox to unselect the data set.
the Graph screen, choose Statistics, then tap the
checkbox to unselect the data set.
Curve Fit
To fit a curve to the selected data, tap Analyze on
the Graph screen, then choose Curve Fit. Tap the
checkbox to select a data set. On the Curve Fit
screen, tap Choose Fit, then choose the type of
equation you would like to fit to the data.
LabQuest App will automatically determine the fit
coefficients. A preview of the fit applied to the data
the Graph screen, then choose Curve Fit. Tap the
checkbox to select a data set. On the Curve Fit
screen, tap Choose Fit, then choose the type of
equation you would like to fit to the data.
LabQuest App will automatically determine the fit
coefficients. A preview of the fit applied to the data
Note: The Curve Fit coefficients cannot be manually
adjusted. To enter your own parameters, see the
sub-section
adjusted. To enter your own parameters, see the
sub-section
On the Curve Fit screen, tap OK to apply the fit and return to the Graph screen.
To remove the fit, tap Analyze on the Graph screen, choose Curve Fit, then tap the checkbox
to unselect the data set.
to unselect the data set.