Vizualizare intermediară a datelor cu ggplot2
Rick Scavetta
Founder, Scavetta Academy
Motive pentru a nu folosi spații uniforme de reprezentare:
| Tip variabilă | Subseturile conțin |
|---|---|
| Continuă | Intervale foarte diferite |
| Categorială | Grupuri diferite |
ggplot(msleep2, aes(bodywt_log,
brainwt_log)) +
geom_point(alpha = 0.6, shape = 16) +
coord_fixed() +
facet_grid(rows = vars(vore),
cols = vars(conservation))

ggplot(msleep2, aes(bodywt_log,
brainwt_log)) +
geom_point(alpha = 0.6, shape = 16) +
coord_fixed() +
facet_grid(rows = vars(vore),
cols = vars(conservation),
scales = "free_x")
Error: coord_fixed doesn't support free scales
ggplot(msleep2, aes(bodywt_log,
brainwt_log)) +
geom_point(alpha = 0.6, shape = 16) +
facet_grid(rows = vars(vore),
cols = vars(conservation),
scales = "free_x")

ggplot(msleep2, aes(bodywt_log,
brainwt_log)) +
geom_point(alpha = 0.6, shape = 16) +
facet_grid(rows = vars(vore),
cols = vars(conservation),
scales = "free_y")

ggplot(msleep2, aes(bodywt_log,
brainwt_log)) +
geom_point(alpha = 0.6, shape = 16) +
facet_grid(rows = vars(vore),
cols = vars(conservation),
scales = "free")

ggplot(msleep2, aes(x = bodywt_log,
y = name)) +
geom_point() +
facet_grid(rows = vars(vore))

ggplot(msleep2, aes(x = bodywt_log,
y = name)) +
geom_point() +
# Free the y scales and space
facet_grid(rows = vars(vore),
scales = "free_y")

ggplot(msleep2, aes(x = bodywt_log,
y = name)) +
geom_point() +
# Free the y scales and space
facet_grid(rows = vars(vore),
scales = "free_y",
space = "free_y")

msleep2 <- msleep2 %>%
# Arrange from lo to hi weight
arrange(-bodywt_log) %>%
# Redefine factor levels in order
mutate(name = as_factor(name))
# New order is reflected in y axis
ggplot(msleep2, aes(x = bodywt_log,
y = name)) +
geom_point() +
# Free the y scales and space
facet_grid(rows = vars(vore),
scales = "free_y",
space = "free_y")

Vizualizare intermediară a datelor cu ggplot2