General
PromptBeginner5 minmarkdownQuality: 24
print(na_report[na_report$n_miss > 0
])
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Showing 24 of 123,283Categories: Data & Insights, Creative, General
General
PromptBeginner5 minmarkdownQuality: 24
head(df
10)
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General
PromptBeginner5 minmarkdownQuality: 24
pct_miss = round(colMeans(is.na(df)) * 100
1)
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General
PromptBeginner5 minmarkdownQuality: 24
# library(lmtest) # Breusch-Pagan
Durbin-Watson etc.
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General
PromptBeginner5 minmarkdownQuality: 24
# library(car) # Type II/III ANOVA
VIF
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General
PromptBeginner5 minmarkdownQuality: 24
# Copy this file
rename it
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General
PromptBeginner5 minmarkdownQuality: 24
- `adjustcolor(col
alpha.f = 0.5)`: easy way to add transparency.
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General
PromptBeginner5 minmarkdownQuality: 24
- `colorRamp` returns a **function** mapping [0
1] to RGB matrix.
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General
PromptBeginner5 minmarkdownQuality: 24
- `hcl(h
c
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General
PromptBeginner5 minmarkdownQuality: 24
- `dev.copy(pdf
file = plot.pdf)` followed by `dev.off()` to save current plot.
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General
PromptBeginner5 minmarkdownQuality: 24
- `rgb(r
g
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General
PromptBeginner5 minmarkdownQuality: 24
- Must call `dev.off()` to finalize the file. Without it
file may be empty/corrupt.
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General
PromptBeginner5 minmarkdownQuality: 24
- `rect(xleft
ybottom
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General
PromptBeginner5 minmarkdownQuality: 24
- `persp(x
y
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General
PromptBeginner5 minmarkdownQuality: 24
- `contour(x
y
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General
PromptBeginner5 minmarkdownQuality: 24
- For `image`
`x` and `y` specify **cell boundaries** or **midpoints** depending on context.
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General
PromptBeginner5 minmarkdownQuality: 24
- Plots columns of one matrix against columns of another. Recycles `col`
`lty`
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General
PromptBeginner5 minmarkdownQuality: 24
- `panel` function receives `(x
y
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General
PromptBeginner5 minmarkdownQuality: 24
- First argument can be an **expression** in `x` or a function: `curve(sin
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General
PromptBeginner5 minmarkdownQuality: 24
- Read-only parameters: `cin`
`cra`
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General
PromptBeginner5 minmarkdownQuality: 28
- `mtext`: `line` argument positions text in margin lines (0 = adjacent to plot
positive = outward). `adj` controls horizontal position (0-1).
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General
PromptBeginner5 minmarkdownQuality: 24
- `axis(side
at
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General
PromptBeginner5 minmarkdownQuality: 24
- `usr` with log scale: contains **log10** of the coordinate limits
not the raw values.
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General
PromptBeginner5 minmarkdownQuality: 24
- `las`: 0 = parallel to axis
1 = horizontal
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