HP Prime Graphing Wireless Calculator Uživatelský manuál Strana 291

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Pie chart
The pie chart displays each data point as a sector of a circle, where the sector’s area corresponds to the
percentage of the whole data set that the individual data point represents.
Setting up the plot
The Plot Setup view ( ) enables you to specify many of the same plotting parameters as other
apps (such as X Rng and Y Rng). There are two settings unique to the Statistics 1Var app, as follows:
Histogram widthH Width enables you to specify the width of a histogram bin. This determines how
many bins will t in the display, as well as how the data is distributed (that is, how many data points
each bin contains).
Histogram rangeH Rng enables you to specify the range of values for a set of histogram bins. The
range runs from the left edge of the leftmost bin to the right edge of the rightmost bin.
Exploring the graph
The Plot view ( ) has zooming and tracing options, as well as coordinate display. The Autoscale option
is available from the View menu (
) as well as the menu. The View menu also enables you to
view graphs in split-screen mode.
For all plot types, you can tap and drag to scroll the Plot view. You can use a 2-nger pinch zoom performed
horizontally to zoom on the x-axis, vertically to zoom on the y-axis, or diagonally to zoom on both axes. You
can also zoom in or out on the cursor by pressing
or respectively.
Plotting 243
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