Vernier Software & Technology LQ2-LE Manual Do Utilizador
LabQuest App
19
Adjusting the Graph View
You can adjust the graph view in real time during data collection, or after data collection has
ended, by applying one of the following actions from the Graph menu.
ended, by applying one of the following actions from the Graph menu.
Autoscale Once
– Tap Autoscale Once will
quickly reset the axes of the currently selected
graph based on the data. It is an easy way to
automatically scale both axes.
graph based on the data. It is an easy way to
automatically scale both axes.
Zoom In
– Select a region on the graph, then tap
Zoom In to automatically adjust the axes for
viewing the selected region.
viewing the selected region.
Zoom Out
–Tap Zoom Out to undo a Zoom In
and return the graph axes to the previous
settings. If Zoom In is used several times, Zoom Out will undo each Zoom In, one at a
time.
settings. If Zoom In is used several times, Zoom Out will undo each Zoom In, one at a
time.
Graph Options
– Tap Graph Options to manually adjust graph settings. To adjust the
graph view, change the values in the Left and Right fields for the x-axis and y-axis.
Manipulating Data from the Graph Screen
You can manipulate data from the Graph screen or from the Table screen. If using the Graph
screen, first tap to select a data point of interest or tap-and-drag to select a region of data. Then,
choose the desired tool from the Graph menu. Upon tapping on the tool, the action will be
applied to the data.
screen, first tap to select a data point of interest or tap-and-drag to select a region of data. Then,
choose the desired tool from the Graph menu. Upon tapping on the tool, the action will be
applied to the data.
Strike Through Data and Restore Data
– Use these tools to ignore/restore selected data.
Struck data are ignored for analysis and graphing, and the graph will update accordingly.
To restore all data, tap the Graph menu and choose Restore Data.
To restore all data, tap the Graph menu and choose Restore Data.
Tag Data
– Use this tool to tag a data point with a comment. After selecting the point and
tapping Tag Data, a circle will be displayed on the graph to “tag” the data. To add a
comment, tap in the info box at the right and enter a comment into the blank field.
comment, tap in the info box at the right and enter a comment into the blank field.
Analyzing Data from the Graph Screen
The Analyze menu on the Graph Screen gives you
access to additional tools such as tangent lines,
integrals, statistics, and curve fits. To apply one of these
tools, tap the Analyze menu and tap to select the desired
tool. If prompted, select a column or data set to which
the analysis will be applied.
access to additional tools such as tangent lines,
integrals, statistics, and curve fits. To apply one of these
tools, tap the Analyze menu and tap to select the desired
tool. If prompted, select a column or data set to which
the analysis will be applied.
Upon enabling an analysis tool, a summary of analysis
information is displayed at the right. Scroll arrows will
appear, if needed. Optionally tap the summary to
display the values on a detail dialog for ease of reading.
information is displayed at the right. Scroll arrows will
appear, if needed. Optionally tap the summary to
display the values on a detail dialog for ease of reading.
The following analysis tools are available from the
Analyze menu.
Analyze menu.
Tangent
– The Tangent mode enhances the
Examine cursor by adding a tangent line and
numeric display of the slope as you tap different locations on the graph.
numeric display of the slope as you tap different locations on the graph.