add white lines to clearly separate the missing values in `geom_missing_point`

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557 stars (557 stars)

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Description

library(naniar)
library(ggplot2)
# method to draw new white band
y_white_band <- min(airquality$Solar.R, 
                    na.rm = TRUE) - 0.95 * min(airquality$Solar.R, 
                                               na.rm = TRUE)

x_white_band <- min(airquality$Ozone, 
                    na.rm = TRUE) - 0.95 * min(airquality$Solar.R, 
                                               na.rm = TRUE)

ggplot(data = airquality,
       aes(x = Ozone,
           y = Solar.R)) +
  geom_missing_point() + 
  # geom_hline(yintercept = -3,
  geom_hline(yintercept = y_white_band,
             size = 2,
             colour = "white") +
  # geom_vline(xintercept = -3,
  geom_vline(xintercept = x_white_band,
             size = 2,
             colour = "white")

ggplot(data = airquality,
       aes(x = Ozone,
           y = Solar.R)) +
  geom_missing_point() 

Contributor guide

Research direction

Examine the geom missing point source code to add white separator lines that clearly demarcate missing values. Add a parameter to toggle the lines and ensure proper mapping of the minimum values.

Tech stack

r

Domain

data visualization

Issue type

Feature

DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.

3

Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.

1-3 hours

Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.

Stale

ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.

Clear

Prerequisites

Rggplot2

Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.

60