TOP3达人销售额占比:
类目集中度:
计算前三名达人的销售额占比:
SELECT TOP 3, SUM(sales_amount) FROM live_sales GROUP BY user_id ORDER BY SUM(sales_amount) DESC;
珠宝文玩类目的集中度:
SELECT category, SUM(sales_amount) AS total_sales FROM live_sales WHERE category = '珠宝文玩' GROUP BY category;
相关性分析工具(皮尔森相关系数):
scipy.stats.pearsonr函数)进行计算。线性回归模型:
import pandas as pd
from sklearn.linear_model import LinearRegression
# 假设df是包含直播场次和销售额的数据框
X = df['live_sessions'] # 自变量
y = df['sales_amount'] # 因变量
model = LinearRegression()
model.fit(X.values.reshape(-1, 1), y)
print(f'斜率: {model.coef_}, 截距: {model.intercept_}')
SELECT product_id, AVG(sales_amount) AS avg_sales FROM live_sales WHERE category = '珠宝文玩' GROUP BY product_id ORDER BY AVG(sales_amount) DESC LIMIT 10;
SELECT user_type, SUM(sales_amount) AS total_sales FROM live_sales WHERE category = '珠宝文玩' GROUP BY user_type;
以上分析数据来源:互联岛