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17 - EN
• Always start data input with (SHIFT CLR 1 (Scl) = ) to clear statistical memory.
• Input data using the key sequence shown below,
.
• The values produced by a regression calculation depend on the values input, and results can
be recalled using the key operations shown in the table below.
To recall this type of value: Perform this key operation:
Regression coefficient A
Regression coefficient B
Regression calculation other than quadratic regression
Correlation coefficient r
• The following table shows the key operations you should use to recall results in the case of
quadratic regression.
To recall this type of value: Perform this key operation:
Regression coefficient C
• The values In the above tables can be used inside of expressions the same way you use
variables.
•
Linear Regression
• The regression formula for linear regression is:
y = A + Bx.
© FAST ČR a. s.
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