`ggplotly` produces error when using `geom_area` or ... | plotly/plotly.R

Chưa có ai nhận issue này.

When using ggplotly to convert from a ggplot object, R produces an error when:

using geom_area() (default position = "stack") or geom_line(position = "stack")
splitting lines/areas by multiple groups (for stacking)
animating across frames

These both produce the error "Error in -data$group: invalid argument to unary operator". Reprex below.

library(ggplot2)
library(dplyr)
library(plotly)


# Working plot with `position = "identity"`
plt1 <- {
  tibble(
    a = rep(rep(1:5, each = 2), 2),
    b = sample(1:10, 20, replace = TRUE),
    group = rep(c("a", "b"), 10),
    frame = rep(1:2, each = 10)
  ) %>%
    ggplot(aes(a, b, colour = group, frame = frame)) +
    geom_line()
} %>%
  ggplotly

# Two plots not working, both `position = "stack"`
plt2 <- {
  tibble(
    a = rep(rep(1:5, each = 2), 2),
    b = sample(1:10, 20, replace = TRUE),
    group = rep(c("a", "b"), 10),
    frame = rep(1:2, each = 10)
  ) %>%
    ggplot(aes(a, b, colour = group, frame = frame)) +
    geom_line(position = "stack")
} %>%
  ggplotly
#> Error in -data$group: invalid argument to unary operator


plt3 <- {
  tibble(
    a = rep(rep(1:5, each = 2), 2),
    b = sample(1:10, 20, replace = TRUE),
    group = rep(c("a", "b"), 10),
    frame = rep(1:2, each = 10)
  ) %>%
    ggplot(aes(a, b, fill = group, frame = frame)) +
    geom_area()
} %>%
  ggplotly
#> Error in -data$group: invalid argument to unary operator

^{Created on 2021-12-21 by the reprex package (v2.0.1)}

Session info

sessioninfo::session_info()
#> - Session info  --------------------------------------------------------------
#>  hash: oncoming police car, eye in speech bubble, toilet
#> 
#>  setting  value
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#>  language (EN)
#>  collate  English_United Kingdom.1252
#>  ctype    English_United Kingdom.1252
#>  tz       Europe/London
#>  date     2021-12-21
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#> ------------------------------------------------------------------------------

Bắt đầu bằng cách chạy reprex được cung cấp với ggplotly, so sánh trường hợp position = "identity" đang hoạt động với geom_line(position = "stack") và geom_area qua các frame. Truy vết đường dẫn chuyển đổi của ggplotly đối với dữ liệu động được nhóm và bổ sung kiểm thử hồi quy cho thấy cả hai trường hợp stacking đều không còn tạo ra lỗi đã được báo cáo.

Do mô hình lập chỉ mục viết ra từ nội dung của issue.

`ggplotly` produces error when using `geom_area` or `geom_line(position = "stack")` across frames

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