sleep deprivation example (building up to lmm visually)

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.title[
# sleep deprivation example (building up to lmm visually)
]
.subtitle[
## Data Analysis for Psychology in R 3
]
.author[
### Josiah King
]
.institute[
### Department of Psychology The University of Edinburgh
]

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# Research Question

> **How do reaction times change with increasing sleep deprivation?** Participants measured over 10 days of sleep deprivation.

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# lm: a line

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# lm: a line (2)

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# lm: a line (3)

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# lm: lines and differences between them

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# lmer: lines with a distribution of intercepts

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# lmer: lines with a distribution of intercepts (2)

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# lmer: lines with a distribution of intercepts (3)

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# lmer: lines with a distribution of intercepts (4)

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# lmer: and with a distribution of slopes

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# lmer: and with a distribution of slopes (2)

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# fixed and random

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# nested: distributions of distributions

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# crossed: distributions and distributions

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# End