Scatter2

Authors

[Editor] Hu Zheng;

[Contributors]

Note

Hiplot website

This page is the tutorial for source code version of the Hiplot Scatter2 plugin. You can also use the Hiplot website to achieve no code ploting. For more information please see the following link:

https://hiplot.cn/basic/scatter2?lang=en

Two-dimensional spatial scatter to demonstrate multi-numerical variable relationships.

Setup

  • System Requirements: Cross-platform (Linux/MacOS/Windows)

  • Programming language: R

  • Dependent packages: data.table; jsonlite; grafify; ggplot2

# Install packages
if (!requireNamespace("data.table", quietly = TRUE)) {
  install.packages("data.table")
}
if (!requireNamespace("jsonlite", quietly = TRUE)) {
  install.packages("jsonlite")
}
if (!requireNamespace("grafify", quietly = TRUE)) {
  install.packages("grafify")
}
if (!requireNamespace("ggplot2", quietly = TRUE)) {
  install.packages("ggplot2")
}

# Load packages
library(data.table)
library(jsonlite)
library(grafify)
library(ggplot2)

Data Preparation

# Load data
data <- data.table::fread(jsonlite::read_json("https://hiplot.cn/ui/basic/scatter2/data.json")$exampleData[[1]]$textarea[[1]])
data <- as.data.frame(data)

# View data
head(data[,1:5])
                car  mpg cyl  disp  hp
1    Hornet 4 Drive 21.4   6 258.0 110
2 Hornet Sportabout 18.7   8 360.0 175
3           Valiant 18.1   6 225.0 105
4        Duster 360 14.3   8 360.0 245
5        Merc 450SE 16.4   8 275.8 180
6        Merc 450SL 17.3   8 275.8 180

Visualization

# scatter2
symsize <- data[,"gear"]
data[,"gear"] <- factor(data[,"gear"], levels = unique(data[,"gear"]))
p <- ggplot(data, aes(x = mpg, y = disp)) + 
  geom_point(alpha = 1, aes(size = gear, fill = gear), shape = 21, stroke = 0.5) +
  labs(fill = "gear", color = "gear") +
  guides(x = guide_axis(angle = 0),
         fill = guide_legend(title = "gear"),
         color = FALSE,
         size = guide_legend(title = "gear")) +
  ggtitle("Scatter2 Plot") +
  scale_fill_grafify() +
  theme_classic(base_size = 20) +
  theme(text = element_text(family = "Arial"),
        strip.background = element_blank(),
        plot.title = element_text(size = 12,hjust = 0.5),
        axis.title = element_text(size = 12),
        axis.text = element_text(size = 10),
        axis.text.x = element_text(angle = 0, hjust = 0.5,vjust = 1),
        legend.position = "right",
        legend.direction = "vertical",
        legend.title = element_text(size = 10),
        legend.text = element_text(size = 10))

p
FigureΒ 1: scatter2