Formler regresjonsanalyse Flashcards

1
Q

Hvordan regne ut kvadrert avviksskåre?

A

(x - xm) ^2

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2
Q

Hvordan regne ut kovarians?

A
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3
Q

Hvordan regne ut feilvarians?

A

(predikert verdi- observert verdi)^2

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4
Q

Hvordan regne ut sum of squares?

A
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5
Q

Hvordan regne ut intercept?

A

Eksempel:
Gj.snitt Y: 3,80
Gj.snitt X: 0,50
b1: -1,20

interseptet (a, b0) = 3,80 - (-1,20*0.50) = 4,40

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6
Q

Hvordan regne ut beta?

A
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7
Q

Hvordan regne ut standardisert beta?

A
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8
Q

Hvordan regne ut r^2?

A
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9
Q

Hvordan regne ut justert r^2?

A
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10
Q

Hvordan regne ut mean square error (MSE)?

A
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11
Q

Hvordan regne ut standardfeil?

A
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12
Q

Hvordan regne ut t-test?

A
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13
Q

Hvordan regne ut toleranse?

A
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14
Q

Hvordan regne ut justert ustandardisert beta?

A
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15
Q

Hvordan regne ut justert standardisert beta?

A
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16
Q

Hvordan regne ut predikert y-verdi?

A