scatter-plot | 易学教程

Making a trajectory plot using R

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问题 I want to make a trajectory plot of my data set, like a scatterplot of X,Y but the data points are connected with a line using an arrow (where the arrow points to the next position) My data looks like this: A T X Y V GD ND ND2 TID 1 1 3.88 2.7 675.0 27.000 27.000 NA NA t1 2 1 3.92 2.7 677.7 42.691 69.691 2.7 7.29 t1 3 1 3.96 2.7 675.0 55.662 125.353 0.0 0.00 t1 4 1 4.00 2.7 675.0 55.662 181.015 0.0 0.00 t1 5 1 4.04 2.7 675.0 55.662 236.677 0.0 0.00 t1 6 1 4.08 2.7 680.4 42.691 279.368 5.4 29

Specifying matplotlib scatter size in plot units

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问题 I would like to specify my scatter dot size not using points or pixels but rather using plot units. Take for instance the following: import matplotlib.pyplot as plt x = [0] y = [0] plt.scatter(x,y) plt.show() This produces a plot as follows: What if, say, I wanted my marker to have a radius of exactly 0.002 plot units? I understand the s parameter indicates the area of the marker size in points. Is there a way to directly provide it in plot units? If not what is the best way to convert from

Labeling the scatterplot point in boxplot And the summary of the boxplot in the graph in R

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问题 Bonjour All, I need help to find a solution to labeling the scatterplot in boxplot. As you can see below, there is two data, first is the data of all macrocosmes, and second is the mean each macrocosmes. Tab1 // query result 1 2 3 4 5 6 1 13.2089 13.3161 13.2497 13.2268 13.2209 11.6036 2 13.2923 13.3869 13.2950 13.2876 13.2922 11.7044 3 13.4493 13.5394 13.4450 13.4735 13.4689 11.9483 means 1 15.43801 15.38659 15.23252 15.50707 15.67684 15.25383 My problem is, how to show the label in each

python scatter plot area size proportional axis length

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问题 I'm getting quite desperate about this, I couldn't find anything on the www so far. Here's the situation: I am working with Python. I have 3 arrays: the x-coordinates, the y-coordinates and the radius. I want to create a scatter plot with the given x- and y-coordinates. So far, everything works how I want it to. Here is what's bothering me: The circle size of each point in the scatter plot should be defined by the radius array. The the values of the coordinates and the radius are in same

Update marker sizes of a scatter plot

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问题 A scatter plot object has a method called .set_array to update the colours of the markers and .set_offsets to update their position but how can I update the marker sizes? I need this for fast real time plotting. 回答1: Yes it is doable, with using a magic method ( _size ). Use it with caution, as it may become broken in future releases: from matplotlib import pyplot as plt import numpy as np x, y=range(10), range(10) sca=plt.scatter(x,y) raw_input() sca._sizes=(5+np.arange(10))*10 #you can set

Specifying matplotlib scatter size in plot units

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I would like to specify my scatter dot size not using points or pixels but rather using plot units. Take for instance the following: import matplotlib.pyplot as plt x = [0] y = [0] plt.scatter(x,y) plt.show() This produces a plot as follows: What if, say, I wanted my marker to have a radius of exactly 0.002 plot units? I understand the s parameter indicates the area of the marker size in points. Is there a way to directly provide it in plot units? If not what is the best way to convert from plot units to points so I can pass it into the s parameter? I have also seen some other questions which

Issue with updating d3 interactive matrix scatterplot to v4

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问题 I'm trying to improve my skills with D3.js by updating various v3 scripts I'm interested in to v4, but I got stuck while trying to "port" the interactive scatterplot matrix that Mike Bostok posted here: https://bl.ocks.org/mbostock/4063663 While I've ported with no problem the static version of the code (with no brush), when trying to implement the brush in the same fashion as in v3, I have found an issue that seems an actual D3 problem more than being related to my D3 noob-ness: brush seems

Change direction of axis title and label in 3dplots in R?

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I have a question that might be easy for a person who is expert in R plot. I need to draw 3D plot in R. My data is as follows: df <- data.frame(a1 = c(489.4, 505.8, 525.8, 550.2, 576.6), a2 = c(197.8, 301, 389.8, 502, 571.2), b1 = c(546.8, 552.6, 558.4, 566.4, 575), b2 = c(287.2, 305.8, 305.2, 334.4, 348.6), c1 = c(599.6, 611.4, 623.6, 658, 657.4), c2 = c(318.8, 423.2, 510.8, 662.4, 656), d1 = c(616, 606.8, 600.2, 595.6, 595), d2 = c(242.4, 292.8, 329.2, 378, 397.2), e1 = c(582.4, 580, 579, 579, 579), e2 = c(214, 255.4, 281.8, 303.8, 353.8)) colnames(df) <- rep(c("V1", "V2"), 5) df.new <-

python scatter plot area size proportional axis length

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I'm getting quite desperate about this, I couldn't find anything on the www so far. Here's the situation: I am working with Python. I have 3 arrays: the x-coordinates, the y-coordinates and the radius. I want to create a scatter plot with the given x- and y-coordinates. So far, everything works how I want it to. Here is what's bothering me: The circle size of each point in the scatter plot should be defined by the radius array. The the values of the coordinates and the radius are in same units. More explicitly: Let's assume I have a point at (1, 1) with radius 0.5 assigned. Then I want to get

Labeling the scatterplot point in boxplot And the summary of the boxplot in the graph in R

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Bonjour All, I need help to find a solution to labeling the scatterplot in boxplot. As you can see below, there is two data, first is the data of all macrocosmes, and second is the mean each macrocosmes. Tab1 // query result 1 2 3 4 5 6 1 13.2089 13.3161 13.2497 13.2268 13.2209 11.6036 2 13.2923 13.3869 13.2950 13.2876 13.2922 11.7044 3 13.4493 13.5394 13.4450 13.4735 13.4689 11.9483 means 1 15.43801 15.38659 15.23252 15.50707 15.67684 15.25383 My problem is, how to show the label in each point in the graph two. i want to labeling each point with their no.macrocosme. This is my little code :