1 ,一图多线 : 折线图
- 代码 :
if __name__ == '__main__':
plt.rcParams['font.sans-serif'] = ['SimHei']
plt.rcParams['axes.unicode_minus'] = False
plt.rcParams['lines.linewidth'] = 2
plt.rcParams['lines.color'] = "red"
plt.rcParams['lines.linestyle'] = "-"
data = pd.read_csv("UNRATE.csv")
data["time_date"] = pd.to_datetime(data["DATE"])
data["month"] = data["time_date"].dt.month
data01 = data.loc[0:11]
data02 = data.loc[12:23]
data03 = data.loc[24:35]
plt.plot(data01["month"],data01["VALUE"], c="red",label="1948")
plt.plot(data02["month"],data02["VALUE"], c="blue",label="1949")
plt.plot(data03["month"],data03["VALUE"], c="green",label="1950")
plt.legend(loc="upper left")
plt.tight_layout()
plt.show()
- 结果 :