radar-chart | 易学教程

How to draw a radar plot in ggplot using polar coordinates?

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问题 I am trying to use ggplot to draw a radar-chart following the guidelines from the Grammar of Graphics. I am aware of the ggradar package but based on the grammar it looks like coord_polar should be enough here. This is the pseudo-code from the grammar: So I thought something like this may work, however, the contour of the area chart is curved as if I used geom_line : library(tidyverse) dd <- tibble(category = c('A', 'B', 'C'), value = c(2, 7, 4)) ggplot(dd, aes(x = category, y = value, group

Add radial lines to radar chart

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问题 I'm using Office 2013 Excel and making a radar chart. By default the concentric rings are visible, but I want spokes or radial lines from the center to each category on the outside. I can't find out how to do this. 回答1: It seems to be a bug in Excel 2013 (and 2016). A workaround is: Create a radar chart. Change the chart type to one of the other two radar charts, for e.g. radar with markers. Change the chart type back to the original radar chart and format the Y axis to have lines. 回答2: These

How to highlight regions of plot with gnuplot

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问题 I'd appreciate if somebody can help with this question. I am working with a radar (or spiderweb) plot with gnuplot 5.0.0: The scale and range in all axes is the same. The numbers at and beyond 1 have a special meaning and I would like to highlight that. I am thinking of three things that would increase visibility: Simply make the tick mark at 1 (labelled "Limit") boldfaced. How could I highlight just a specific tick and label? I could also highlight the circular dashed line at level 1 On the

matplotlib radar plot min values

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问题 I started with the matplotlib radar example but values below some min values disappear. I have a gist here. The result looks like As you can see in the gist, the values for D and E in series A are both 3 but they don't show up at all. There is some scaling going on. In order to find out what the problem is I started with the original values and removed one by one. When I removed one whole series then the scale would shrink. Here an example (removing Factor 5) and scale in [0,0.2] range

Axis label hidden by axis in plot?

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问题 I am trying to make a polar 'sypder' plot but I am having some problems with the axis labels. The xaxis tick lables always seem to end up on a layer below the y axis grid (the letters are covered by the grid line, as shown in the figure below), I would like them on top. I tried setting the zorders but with no success. If I set the zorder of the plotted lines above 2 they do go on top (in terms of layer) of the axis and grid... but I still want the labels to be visible on top of the plot. If I

How to measure the area of a polygon in ggplot2?

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问题 Hi everyone, I have a number of samples that I would like to draw a polygon for each of them to illustrate the shape of the data. My data look likes this: 01 0.31707317 02 0.12195122 03 0.09756098 04 0.07317073 05 0.07317073 06 0.07317073 07 0.07317073 08 0.07317073 09 0.04878049 10 0.04878049 I can easily draw a radar chart using radarchart, which looks like this: But I am trying to measure the area of the results shape and use that as a measure of data shape. This is where I struggle. I

Radar Chart for Android

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问题 I wonder if is possible replicate this kind of graph in Android. The data is not important to be entered directly from the image, will be entered on a previous screen. If not possible recreate a similar chart (I think it's pretty hard in fact) is possible use a simple spider graph, but the important thing is that can insert two different series and they have their own labels. In fact, notice that the labels capitalized form a surface, while those written in lower case will form another. You

How to plot a Radar chart in ggplot2 or R [duplicate]

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问题 This question already has answers here : creating “radar chart” (a.k.a. star plot; spider plot) using ggplot2 in R (5 answers) Closed 4 years ago . I am trying to make a Radar plot as in attached image using and ggplot2 ( or any other package in R).This talk about this but my case is different as i am trying to create a spider plot for response data with certain range. I made a plot using a code as below, but i couldn't figure out howto make this like in the image. Kindly help me with this.

Is it possible to draw a radar chart in R where each circle has a different colour?

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问题 Using the fsmb package I created a simple radar chart. Here is a reproducible example: #install.packages("fmsb") library(fmsb) data <- data.frame(rbind(rep(8,14), rep(0,14), c(3,4,4,4,3,4,4,4,4,3,3,3,3,3))) colnames(data) <- c("biologia", "chemia", "fizyka", "geografia", "historia", "informatyka", "język angielski", "język polski", "matematyka", "muzyka / historia muzyki", "plastyka / sztuka / historia sztuki", "sprawność fizyczna", "technika","wiedza o społeczeństwie" ) radarchart(data,

How to measure the area of a polygon in ggplot2?

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Hi everyone, I have a number of samples that I would like to draw a polygon for each of them to illustrate the shape of the data. My data look likes this: 01 0.31707317 02 0.12195122 03 0.09756098 04 0.07317073 05 0.07317073 06 0.07317073 07 0.07317073 08 0.07317073 09 0.04878049 10 0.04878049 I can easily draw a radar chart using radarchart, which looks like this: But I am trying to measure the area of the results shape and use that as a measure of data shape. This is where I struggle. I tried to save the resulting figure as a vector and use the points there but it looks like I can not pass