Vernier Software & Technology LQ2-LE User Manual
LabQuest App
23
Manipulating Data from the Table Screen
The Table menu allows you to create, modify, or delete
columns of data. Anything in columns can be graphed.
The following tools are available from the Analyze
menu:
columns of data. Anything in columns can be graphed.
The following tools are available from the Analyze
menu:
New Manual Column
–New Manual Column
creates an empty column into which you can
enter or generate values directly. Tip: To make a
graph of data from other sources, enter values in two manual columns, and then plot
them in a LabQuest graph.
enter or generate values directly. Tip: To make a
graph of data from other sources, enter values in two manual columns, and then plot
them in a LabQuest graph.
New Calculated Column
–New Calculated
Column creates a new column whose values are
based on other columns by a mathematical
formula. Tap the Name field to enter a name for
the new column, tap the units field to enter the
units, then tap the Equation Type field and
choose an equation for the calculations in this
column. For example, you might define a
calculated column as the inverse square of
another column. After creating a calculated
column, you can display the calculated data on a graph, or manipulate it further with
additional calculated columns.
based on other columns by a mathematical
formula. Tap the Name field to enter a name for
the new column, tap the units field to enter the
units, then tap the Equation Type field and
choose an equation for the calculations in this
column. For example, you might define a
calculated column as the inverse square of
another column. After creating a calculated
column, you can display the calculated data on a graph, or manipulate it further with
additional calculated columns.
Data Column Options
– This allows you to access the fields for setting the column name,
units, and displayed precision. Alternatively, you can access these fields by simply
tapping on the column name from the Table screen.
tapping on the column name from the Table screen.
Delete Data Column
– This allows you to delete a manual or calculated column of data.
Delete Run
–
be selectable from the Table menu. Upon choosing Delete Run, tap the desired run name
to delete the run. You will not be able to delete the last run created.
to delete the run. You will not be able to delete the last run created.
Clear All Data
– This action will clear all data in the table. Upon choosing this option, you
will be prompted to confirm.
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 Table menu and choose Restore Data. Note that you can also
access these tools from the graph screen by tapping on the Graph menu.
To restore all data, tap the Table menu and choose Restore Data. Note that you can also
access these tools from the graph screen by tapping on the Graph menu.
Tag Data
– Use this tool to tag a data point with a comment. After selecting the point
within the table and tapping Tag Data, a circle will be displayed on the graph screen to
“tag” the data. To add a comment, tap to select the Graph tab, locate the tagged point and
tap to place the Examine cursor at this point. Then tap the info box at the right and enter a
comment into the blank field.
tap to place the Examine cursor at this point. Then tap the info box at the right and enter a
comment into the blank field.