Pengantar

Pengantar Visualisasi Data dengan ggplot2

Rick Scavetta

Founder, Scavetta Academy

Instruktur Anda - Rick Scavetta

- e-mail: [email protected]

- Twitter: @Rick_Scavetta

Visualisasi data & data science

Keterampilan inti dalam Data Science.

Eksplorasi vs. eksplanasi

MASS::mammals

MASS::mammals

                              body   brain
Arctic fox                   3.385   44.50
Owl monkey                   0.480   15.50
Mountain beaver              1.350    8.10
Cow                        465.000  423.00
Grey wolf                   36.330  119.50
Goat                        27.660  115.00
Roe deer                    14.830   98.20
...
Pig                        192.000  180.00
Echidna                      3.000   25.00
Brazilian tapir            160.000  169.00
Tenrec                       0.900    2.60
Phalanger                    1.620   11.40
Tree shrew                   0.104    2.50
Red fox                      4.235   50.40

Scatter plot

ggplot(mammals, aes(x = body, y = brain)) +
  geom_point()

1.1.1-1.png

Eksplorasi dengan model linear

ggplot(mammals, aes(x = body, y = brain)) +
  geom_point(alpha = 0.6) +
  stat_smooth(
    method = "lm", 
    color = "red", 
    se = FALSE
  )

1.1.1-2.png

Eksplorasi: penyetelan halus

ggplot(mammals, aes(x = body, y = brain)) +
  geom_point(alpha = 0.6) +
  coord_fixed() +
  scale_x_log10() +
  scale_y_log10() +
  stat_smooth(
    method = "lm", 
    color = "#C42126", 
    se = FALSE, 
    size = 1
  )

Pengantar

Instruktur Anda - Rick Scavetta

- e-mail: [email protected]

- Twitter: @Rick_Scavetta

Visualisasi data & data science

Eksplorasi vs. eksplanasi

MASS::mammals

Scatter plot

Eksplorasi dengan model linear

Eksplorasi: penyetelan halus

Plot siap publikasi

Plot Anscombe

Plot Anscombe

Plot Anscombe

Plot Anscombe

Plot Anscombe

Plot Anscombe

Plot Anscombe

Plot Anscombe

Plot Anscombe

Ayo berlatih!