for key in students_1.keys(): print(key) 1. 2. 在遍历字典时,如果没有指明方法,会默认遍历所有的键,即下面这种: for key in students_1: print(key) 1. 2. 用方法values()遍历字典中的所有值: for value in students_1.values(): print(value) 1. 2. 如果存在重复值,而又想剔除它们,可以用s...
import matplotlib.pyplot as pltimport numpy as np# 创建类别数据categories = ['A', 'B', 'C', 'D', 'E']values = [23, 45, 56, 78, 32]# 使用 'Set3' 定性色彩映射表colors = plt.cm.Set3(np.linspace(0, 1, len(categories)))plt.bar(categories, values, color=colors)plt.title('Q...
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200,(10,10))# 定义自定义色图cmap=mcolors.ListedColormap(['blue','yellow','red'])bounds=[0,100,150,200]norm=mcolors.BoundaryNorm(bounds,cmap.N)# 绘制热图plt.imshow(data,cmap=cmap,norm=norm)plt.colorbar()plt.title('Heatmap with Red for Values > 100')plt.show...
def num2color(values, cmap): """将数值映射为颜色""" norm = mpl.colors.Normalize(vmin=np.min(values), vmax=np.max(values)) cmap = mpl.cm.get_cmap(cmap) return [cmap(norm(val)) for val in values]x = ["a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "...
values.ravel() #真实值 y = test_data['model01_estimated'].values.ravel()#预测值 y2 = test_data['SVR_estimated'].values.ravel()#预测值2 y3 = test_data['DNN_model01_estimated'].values.ravel()#预测值3 nbins = 150 #模型一结果 H, xedges, yedges = np.histogram2d(x, y, bins=...
本文将介绍如何使用Python中的Matplotlib和mpl_toolkits.mplot3d库绘制令人印象深刻的3D曲面图。准备工作首先,确保你的Python环境中安装了Matplotlib库。...如果还没有安装,可以使用pip进行安装:pip install matplotlib导入必要的库在开始之前,让我们先...
Reading values Several representations are accessible: >>> c.hex '#00f' >>> c.hsl # doctest: +ELLIPSIS (0.66..., 1.0, 0.5) >>> c.rgb (0.0, 0.0, 1.0) And their different parts are also independently accessible, as the different amount of red, blue, green, in the RGB format: ...
fix#3- use correct values for CIE white points Aug 18, 2016 TODO - Added the RGB<->RYB hue conversion. May 29, 2008 grapefruit.py fix#3- use correct values for CIE white points Aug 18, 2016 grapefruit_test.py fix#3- use correct values for CIE white points ...
result1 = result1.values the file: first row: x data second row: y data third row: z data, which is to set the gradient color map. 2.set the size of map and the limits of x axis and y axis #设置画布 width_img = 5 height_img = 5 ...