matlab绘制簇状图 用matplotlib自定义绘制柱形图

import pandas as pd

import matplotlib.pyplot as plt

import seaborn as sns

df = pd.read_excel("D:\我的文档\jupyter notebook.xlsx")

df

sns.set(style = "white", font_scale = 1.2)

# 解决中文乱码

plt.rcParams[ "font.sans-serif"] = "simhei"

# 设置字体及其大小

font1 = {"family" : "simhei",

"weight" : "normal",

"size" : 18}

# 数透

region_pivot = pd.pivot_table(df, values="总评成绩", index="课程性质", aggfunc='count').reset_index().sort_values(ascending=True,by="总评成绩")

# 设置画布大小

f, ax = plt.subplots(figsize=(8, 6))

# 绘制条形图

barh = plt.barh(region_pivot["课程性质"].values,region_pivot["总评成绩"].values, color='dodgerblue')

barh[-1].set_color("red")

# 给条形图添加数据标签

for y, x in enumerate(region_pivot["总评成绩"].values):

plt.text(x + 60, y - 0.1, "%s" %x)

#去掉四周的外框线

ax.spines["right"].set_visible(False)

ax.spines["top"].set_visible(False)

ax.spines["bottom"].set_visible(False)

ax.spines["left"].set_visible(False)

# ax.set(title = "各种性质课程的总评成绩之和", xlabel = "总评成绩", ylabel = "课程性质")

# 设置维度的字体大小

plt.tick_params(labelsize = 15)

plt.xlabel("课程性质", font1)

plt.ylabel("总评成绩", font1)

plt.title("各种性质课程的总评成绩之和", font1)

# 保存输出可视化图片

f.savefig(r"C:\Users\QDM\Desktop\1.png", bbox_inches= "tight")

sns.set(style = "white", font_scale = 1.2)

# 解决中文乱码

plt.rcParams["font.sans-serif"] = "simhei"

# 设置字体及其大小

font1 = {"family" : "simhei","weight" : "normal","size" : 18,}

# 数透

region_pivot = pd.pivot_table(df, values = "总评成绩", index = "课程性质", aggfunc = "count").reset_index().sort_values(ascending = False, by="总评成绩")

# 设置画布大小

f, ax = plt.subplots(figsize=(12, 6))

# 绘制柱形图

bar = plt.bar(region_pivot["课程性质"].values, region_pivot["总评成绩"].values, color = "dodgerblue")

bar[0].set_color("green")

# 添加标签

for x, y in enumerate(region_pivot["总评成绩"].values):

plt.text(x - 0.2, y + 60, "%s" %y)

#删除所有框线

ax.spines["right"].set_visible(False)

ax.spines["top"].set_visible(False)

ax.spines["bottom"].set_visible(False)

ax.spines["left"].set_visible(False)

# ax.set(title = "各种性质课程的总评成绩之和", xlabel = "课程性质", ylabel = "总评成绩")

plt.tick_params(labelsize = 14)

plt.xlabel("课程性质", font1)

plt.ylabel("总评成绩", font1)

plt.title("各种性质课程的总评成绩之和", font1)

f.savefig(r"C:\Users\QDM\Desktop\纵向柱形图.png", bbox_inches = "tight")