Statistics in WR: Lecture 13

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Presentation transcript:

Statistics in WR: Lecture 13 Key Themes ANOVA for sediment data Fourier series for diurnal cycles Fourier series for seasonal cycles

Analysis of Variance (ANOVA) Assumptions There are several variants (one factor, two factor, two factor with replication). We will deal just with One Factor ANOVA

Single Factor ANOVA

Single Factor ANOVA

ANOVA Formulas

Single Factor ANOVA

Groups of Sediment Load Data (Ex3) 480,000 USGS1 Mean 218,000 Ton/yr TWDB Mean 189,000 Ton/yr Overall Mean 183,000 Ton/yr USGS2 Mean 97,000 Ton/yr Zero