python绘制发散型柱状图+误差阴影时间序列图+双坐标系时间序列图+绘制金字塔图

import numpy as np
import pandas as pd
import matplotlib as mpl
import matplotlib.pyplot as plt
import seaborn as sns
import warnings
warnings.filterwarnings(action="once")
df = pd.read_csv("C:工作学习数据杂坛/datasets/mtcars.csv")
x = df.loc[:, ["mpg"]]
df["mpg_z"] = (x - x.mean()) / x.std()
df["colors"] = ["red" if x < 0 else "green" for x in df["mpg_z"]]
df.sort_values("mpg_z", inplace=True)
df.reset_index(inplace=True)
# Draw plot
plt.figure(figsize=(10, 6), dpi=80)
plt.hlines(y=df.index,
           xmin=0,
           xmax=df.mpg_z,
           color=df.colors,
           alpha=0.8,
           linewidth=5)
for x, y, tex in zip(df.mpg_z, df.index, df.mpg_z):
    t = plt.text(x, y, round(tex, 2), horizontalalignment="right" if x < 0 else "left",

                 verticalalignment="center", fontdict={"color":"black" if x < 0 else "black", "size":10})

# Decorations

plt.gca().set(ylabel="$Model", xlabel="$Mileage")
plt.yticks(df.index, df.cars, fontsize=12)
plt.xticks(fontsize=12)
plt.title("Diverging Bars of Car Mileage")
plt.grid(linestyle="--", alpha=0.5)
plt.show()

from scipy.stats import sem
import pandas as pd
import matplotlib.pyplot as plt
# Import Data
df_raw = pd.read_csv("F:数据杂坛datasetsorders_45d.csv",
                     parse_dates=["purchase_time", "purchase_date"])

# Prepare Data: Daily Mean and SE Bands
df_mean = df_raw.groupby("purchase_date").quantity.mean()
df_se = df_raw.groupby("purchase_date").quantity.apply(sem).mul(1.96)

# Plot
plt.figure(figsize=(10, 6), dpi=80)
plt.ylabel("Daily Orders", fontsize=12)
x = [d.date().strftime("%Y-%m-%d") for d in df_mean.index]
plt.plot(x, df_mean, color="#c72e29", lw=2)
plt.fill_between(x, df_mean - df_se, df_mean + df_se, color="#f8f2e4")

# Decorations
# Lighten borders
plt.gca().spines["top"].set_alpha(0)
plt.gca().spines["bottom"].set_alpha(1)
plt.gca().spines["right"].set_alpha(0)
plt.gca().spines["left"].set_alpha(1)
plt.xticks(x[::6], [str(d) for d in x[::6]], fontsize=12)
plt.title("Daily Order Quantity of Brazilian Retail with Error Bands (95% confidence)",fontsize=14)

# Axis limits
s, e = plt.gca().get_xlim()
plt.xlim(s, e - 2)
plt.ylim(4, 10)

# Draw Horizontal Tick lines
for y in range(5, 10, 1):
    plt.hlines(y,
               xmin=s,
               xmax=e,
               colors="black",
               alpha=0.5,
               linestyles="--",
               lw=0.5)

plt.show()

import pandas as pd
import numpy as np
import matplotlib.pyplot as plt

# Import Data
df = pd.read_csv("F:数据杂坛datasetseconomics.csv")

x = df["date"]
y1 = df["psavert"]
y2 = df["unemploy"]

# Plot Line1 (Left Y Axis)
fig, ax1 = plt.subplots(1, 1, figsize=(12, 6), dpi=100)
ax1.plot(x, y1, color="tab:red")

# Plot Line2 (Right Y Axis)
ax2 = ax1.twinx()  # instantiate a second axes that shares the same x-axis
ax2.plot(x, y2, color="tab:blue")

# Decorations
# ax1 (left Y axis)
ax1.set_xlabel("Year", fontsize=18)
ax1.tick_params(axis="x", rotation=70, labelsize=12)
ax1.set_ylabel("Personal Savings Rate", color="#dc2624", fontsize=16)
ax1.tick_params(axis="y", rotation=0, labelcolor="#dc2624")
ax1.grid(alpha=.4)

# ax2 (right Y axis)
ax2.set_ylabel("Unemployed (1000"s)", color="#01a2d9", fontsize=16)
ax2.tick_params(axis="y", labelcolor="#01a2d9")
ax2.set_xticks(np.arange(0, len(x), 60))
ax2.set_xticklabels(x [::60], rotation=90, fontdict={"fontsize": 10})
ax2.set_title(
    "Personal Savings Rate vs Unemployed: Plotting in Secondary Y Axis",
    fontsize=18)
fig.tight_layout()
plt.show()

import pandas as pd
import matplotlib.pyplot as plt
import seaborn as sns

# Read data
df = pd.read_csv("D:数据杂坛datasetsemail_campaign_funnel.csv")

# Draw Plot
plt.figure()
group_col = "Gender"
order_of_bars = df.Stage.unique()[::-1]
colors = [
    plt.cm.Set1(i / float(len(df[group_col].unique()) - 1))
    for i in range(len(df[group_col].unique()))
]

for c, group in zip(colors, df[group_col].unique()):
    sns.barplot(x="Users",
                y="Stage",
                data=df.loc[df[group_col] == group, :],
                order=order_of_bars,
                color=c,
                label=group)

# Decorations
plt.xlabel("$Users$")
plt.ylabel("Stage of Purchase")
plt.yticks(fontsize=12)
plt.title("Population Pyramid of the Marketing Funnel", fontsize=18)
plt.legend()
plt.savefig("C:工作学习数据杂坛素材815金字塔", dpi=300, bbox_inches = "tight")
plt.show()