Antaganden Flashcards

Ant

1
Q

Antaganden för Anova

A
  • Observationerna skall vara oberoende(multivariat)
  • Data skall vara på intervallskala och insamlade med oberoende slumpmässigt urval
  • Data skall följa multivariat normalfördelning
  • Kovariansmatriserna för de olika grupperna skall vara lika
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2
Q

“Robust” standard errors

A

“Robust” standard errors is a technique to obtain unbiased standard errors of OLS coefficients under heteroscedasticity

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3
Q

Bonferroni correction

A

In statistics, the Bonferroni correction is one of several methods used to counteract the problem of multiple comparisons.

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4
Q

Šidák correction

A

In statistics, the Šidák correction, or Dunn–Šidák correction, is a method used to counteract the problem of multiple comparisons.

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5
Q

trevägs- oberoende ANOVA

A

data ska vara normalfördelad och ha lika varians. Det ska inte heller finnas några outliers som stör modellen,

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6
Q

repeated measures ANOVA

A

datan är normalfördelad, sfäricitet, datan ska vara insamlad genom slumpmässigt urval och det ska inte finnas outliers som stör modellen.

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7
Q

mixed anova

A
  • Sfäricitet för kovariansmatriserna, varianshomogenitet, normalfördeln
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