[英]R highcharter: putting heatmaps into motion
I'm trying to use the highcharter
R package "Motion Plugin", to make a Motion Chart for a heatmap. 我正在尝试使用highcharter
R软件包“Motion Plugin”来制作热图的动态图表。 Ie I would like a heatmap to change over time, using a slider with a play/pause button (see links below). 即我希望热图随着时间的推移而改变,使用带有播放/暂停按钮的滑块(参见下面的链接)。
I'm able to create a simple heatmap, for a specific year, eg: 我能够为特定年份创建一个简单的热图,例如:
df <- tibble(year = c(rep(2016, 6), rep(2017, 6)),
xVar = rep(c("a", "a", "b", "b", "c", "c"), 2),
yVar = rep(c("d", "e"), 6),
heatVar = rnorm(12))
df %>%
filter(year == 2016) %>%
hchart(type = "heatmap", hcaes(x = xVar, y = yVar, value = heatVar)) %>%
hc_legend(layout = "vertical", verticalAlign = "top", align = "right")
However, I'm struggling with making this a Motion Chart (sliding across 2016, 2017 in this example), using the hc_motion(enabled = TRUE, ...)
function. 但是,我正在努力使用hc_motion(enabled = TRUE, ...)
函数制作动态图表(在此示例中滑动2016年,2017年hc_motion(enabled = TRUE, ...)
。
I have read and followed these links: 我已阅读并关注以下链接:
https://www.r-bloggers.com/adding-motion-to-choropleths/ https://www.r-bloggers.com/adding-motion-to-choropleths/
http://jkunst.com/highcharter/plugins.html http://jkunst.com/highcharter/plugins.html
But no matter how I define my series, I do not get the expected result. 但无论我如何定义我的系列,我都没有得到预期的结果。 Anyone can point me how the xVar
, yVar
series should be defined and the hc_motion
function be used to make it work? 任何人都可以指出我应该如何定义xVar
, yVar
系列,并使用hc_motion
函数使其工作?
UPDATE: 更新:
Following this answer I managed to this using shiny
, but I'd still prefer to avoid this solution: 根据这个答案,我设法使用shiny
,但我仍然宁愿避免这个解决方案:
server <- shinyServer(function(input, output) {
output$heatmap <- renderHighchart({
df <- tibble(year = c(rep(2016, 6), rep(2017, 6)),
xVar = rep(c("a", "a", "b", "b", "c", "c"), 2),
yVar = rep(c("d", "e"), 6),
heatVar = rnorm(12))
# filter data based on selected year
df.select <- dplyr::filter(df, year == input$year)
# chart
hchart(df.select, type = "heatmap", hcaes(x = xVar, y = yVar, value = heatVar))
})
})
ui <- shinyUI(fluidPage(
# Application title
titlePanel("Highcharts Heatmap Motion Chart"),
# Sidebar with a slider input for the selected year
sidebarLayout(
sidebarPanel(
sliderInput("year",
"Year:",
min = 2016,
max = 2017,
step = 1,
value = 2016,
animate = TRUE,
sep = "")
),
# Show a bubble plot for the selected year
mainPanel(
highchartOutput("heatmap")
)
)
))
shinyApp(ui = ui, server = server)
The approach surely is not the cleanest, because it's needed to create the initial position (like a standard chart) then create te sequences for each point. 这种方法肯定不是最干净的,因为需要创建初始位置(如标准图表),然后为每个点创建te序列。
http://rpubs.com/jbkunst/questions-42945062 http://rpubs.com/jbkunst/questions-42945062
So the structure to add the motion plugin would be: 所以添加动作插件的结构将是:
library(highcharter)
library(dplyr)
library(purrr)
years <- 10
nx <- 5
ny <- 6
df <- data_frame(year = rep(c(2016 + 1:years - 1), each = nx * ny), xVar = rep(1:nx,
times = years * ny), yVar = rep(1:ny, times = years * nx))
df <- df %>% group_by(xVar, yVar) %>% mutate(heatVar = cumsum(rnorm(length(year))))
df_start <- df %>% arrange(year) %>% distinct(xVar, yVar, .keep_all = TRUE)
df_start
#> Source: local data frame [30 x 4]
#> Groups: xVar, yVar [30]
#>
#> year xVar yVar heatVar
#> <dbl> <int> <int> <dbl>
#> 1 2016 1 1 0.5894443
#> 2 2016 2 2 -1.0991727
#> 3 2016 3 3 1.1209292
#> 4 2016 4 4 0.4936719
#> 5 2016 5 5 -0.4614157
#> # ... with 25 more rows
df_seqc <- df %>% group_by(xVar, yVar) %>% do(sequence = list_parse(select(.,
value = heatVar)))
df_seqc
#> Source: local data frame [30 x 3]
#> Groups: <by row>
#>
#> # A tibble: 30 × 3
#> xVar yVar sequence
#> * <int> <int> <list>
#> 1 1 1 <list [10]>
#> 2 1 2 <list [10]>
#> 3 1 3 <list [10]>
#> 4 1 4 <list [10]>
#> 5 1 5 <list [10]>
#> # ... with 25 more rows
data <- left_join(df_start, df_seqc)
#> Joining, by = c("xVar", "yVar")
data
#> Source: local data frame [30 x 5]
#> Groups: xVar, yVar [?]
#>
#> year xVar yVar heatVar sequence
#> <dbl> <int> <int> <dbl> <list>
#> 1 2016 1 1 0.5894443 <list [10]>
#> 2 2016 2 2 -1.0991727 <list [10]>
#> 3 2016 3 3 1.1209292 <list [10]>
#> 4 2016 4 4 0.4936719 <list [10]>
#> 5 2016 5 5 -0.4614157 <list [10]>
#> # ... with 25 more rows
limits <- (unlist(data$sequence)) %>% {
c(min(.), max(.))
}
limits
#> [1] -5.332709 6.270384
hc1 <- hchart(data, type = "heatmap", hcaes(x = xVar, y = yVar, value = heatVar))
hc2 <- hchart(data, type = "heatmap", hcaes(x = xVar, y = yVar, value = heatVar)) %>%
hc_motion(enabled = TRUE, series = 0, startIndex = 0, labels = unique(df$year)) %>%
hc_legend(layout = "vertical", verticalAlign = "top", align = "right") %>%
hc_colorAxis(min = limits[1], max = limits[2])
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