Data, A matrix – HP 48g Graphing Calculator User Manual
Page 274
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4. Enter the data. Use a separate row for each individual record and
a separate column for each variable within a record. For example,
a data set containing the height, weight, and age for each of 100
people, would be entered as 100 rows of three columns each.
5. Press
(
enter
!
when you’ve finished. The data matrix is now
temporarily stored in SDAT;. To confirm that you want it stored
there,
press
UK
; to cancel the
whole operation,
press CFlNCL;
to edit it further, press E
again.
To store the array in
i /i 1 /
in a different wariable:
21
1. Press (r^(STAT) - to open the
S I N G
S T A T I S T I C S
form. (Actually, you may use any of the STAT
application input forms.) You should see the current statistics
matrix partially displayed in the SDfiT field.
2. Press
(
nxt
1
CfiLC to bring up the stack.
3. Enter a name for the matrix onto level 1 (using the ’ delimiters),
and press fSTO).
4. Press OK to return to the SINGLE-VARIABLE STATISTICS
To
enter statistical
data
into
a matrix:
1. Press
matrix
)
to begin the MatrixWriter.
2.
Enter the data. Use a separate row for each individual record and
a separate column for each variable within a record. For example,
a data set containing the height, weight, and age for each of 100
people, would be entered as 100 rows of three columns each.
3. Press
(
enter
)
when you’ve finished entering the data.
4. Enter a name for the data matrix onto level 1 of the stack, and
press
fSTO
).
T ? cJasfns'aiT s siidrLi. :i’e «-nn'eni .staiisUcs iriEfri'::
1. Press (f^fSTAT 1 OK to open the S
INGLE-
VAR I
ABLE
STATUBTICS
form. (Actually, you may use any of the STAT
application input forms.)
2.
Optional: If there is already data in the
2DATT
field either delete
it (press
(
del
)
lm
\ ) or save the data by storing it in a variable
first and then deleding it.
3. With the highlight on the
¿DATs
field, press
CHuO:::J
and use the
arrow keys to highlight the matrix you wish to make the current
statistics matrix.
21-2 Statistics and Data Analysis