Scatter plots, Scatter plots ,12-31 – HP 50g Graphing Calculator User Manual

Page 414

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Page 12-31

accommodate the maximum value in column 1 of

ΣDAT. Bar plots are useful

when plotting categorical (i.e., non-numerical) data.

Suppose that you want to plot the data in column 2 of the

ΣDAT matrix:

Θ Press „ô, simultaneously if in RPN mode, to access to the PLOT SETUP

window.

Θ Press ˜˜ to highlight the

Col:

field and type 2

@@@OK@@@, followed by

L@@@OK@@@.

Θ Press „ò, simultaneously if in RPN mode, to access to the PLOT SETUP

window.

Θ Change V-View to read

V-View: 0 6

Θ Press @ERASE @DRAW.

Θ Press @CANCL to return to the PLOT WINDOW screen, then $ to return to

normal calculator display.

Scatter plots

We will use the same

ΣDAT matrix to produce scatter plots. First, we will plot

the values of y vs. x, then those of y vs. z, as follows:

Θ Press „ô, simultaneously if in RPN mode, to access to the PLOT SETUP

window.

Θ Change

TYPE

to

Scatter

.

Θ Press ˜˜ to highlight the

Cols:

field. Enter 1

@@@OK@@@ 2@@@OK@@@ to

select column 1 as X and column 2 as Y in the Y-vs.-X scatter plot.

Θ Press L@@@OK@@@ to return to normal calculator display.
Θ Press „ò, simultaneously if in RPN mode, to access the PLOT

WINDOW screen.

Θ Change the plot window ranges to read:

H-View: 0 6

,

V-View: 0 6

.

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