时间序列分析显示的下行模式就是我们所说的下行趋势。假设以下是我们的数据集,即SalesRecords2.csv
首先,导入所需的库 -
import pandas as pd importmatplotlib.pyplotas plt
将 CSV 文件中的数据加载到 Pandas DataFrame 中 -
dataFrame = pd.read_csv("C:\\Users\\amit_\\Desktop\\SalesRecords2.csv")
将列转换为日期时间对象 -
dataFrame['Sold_On'] = pd.to_datetime(dataFrame['Sold_On'])
创建下降趋势图 -
dataFrame.plot()
以下是代码 -
import pandas as pd importmatplotlib.pyplotas plt # Load data from a CSV file into a Pandas DataFrame dataFrame = pd.read_csv("C:\\Users\\amit_\\Desktop\\SalesRecords2.csv") print("Reading the CSV file...\n", dataFrame) # casting column to datetime object dataFrame['Sold_On'] = pd.to_datetime(dataFrame['Sold_On']) dataFrame = dataFrame.set_index('Sold_On') # Creating the plot dataFrame.plot() plt.show()输出结果
这将产生以下输出 -