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成都科技网站建设电话多少,关键词优化举例,外贸网站如何做推广电话,网站seo教材在上一篇文章中,我们讨论了如何构建一个智能客服Agent。今天,我想分享另一个实际项目:如何构建一个数据分析Agent。这个项目源于我们一个金融客户的真实需求 - 提升数据分析效率,加快决策速度。从分析师的痛点说起记得和分析师团队交流时的场景： 小张&#xff…

在上一篇文章中,我们讨论了如何构建一个智能客服Agent。今天,我想分享另一个实际项目:如何构建一个数据分析Agent。这个项目源于我们一个金融客户的真实需求 - 提升数据分析效率,加快决策速度。

从分析师的痛点说起

记得和分析师团队交流时的场景：

小张：每天要分析这么多数据,真的很耗时
小李：是啊,而且经常要写各种分析报告
我：主要在哪些环节比较耗时？
小张：数据清洗、指标计算、图表生成这些都很繁琐
我：这些正好可以用AI Agent来协助

经过需求分析,我们确定了几个核心功能：

智能数据清洗
自动特征分析
可视化生成
报告撰写

技术方案设计

首先是整体架构：

from typing import List, Dict, Any, Optional
from enum import Enum
from pydantic import BaseModel
import pandas as pd
import numpy as npclass AnalysisTask(Enum):CLEAN = "clean"ANALYZE = "analyze"VISUALIZE = "visualize"REPORT = "report"class DataContext(BaseModel):data_path: strtask_type: AnalysisTaskrequirements: Dict[str, Any]history: List[Dict[str, Any]]class DataAnalyst:def __init__(self,config: Dict[str, Any]):# 1. 初始化分析模型self.analysis_model = AnalysisLLM(model="gpt-4",temperature=0.1,context_length=8000)# 2. 初始化工具集self.tools = {"cleaner": DataCleaner(),"analyzer": DataAnalyzer(),"visualizer": DataVisualizer(),"reporter": ReportGenerator()}# 3. 初始化数据存储self.data_store = DataStore(cache_dir="./cache",max_size_gb=10)async def process_task(self,context: DataContext) -> Dict[str, Any]:# 1. 加载数据data = await self._load_data(context.data_path)# 2. 理解需求requirements = await self._understand_requirements(context.requirements)# 3. 生成分析方案plan = await self._generate_plan(data,requirements)# 4. 执行分析result = await self._execute_analysis(data,plan)return resultasync def _understand_requirements(self,requirements: Dict[str, Any]) -> Dict[str, Any]:# 1. 提取分析目标objectives = await self.analysis_model.extract_objectives(requirements)# 2. 识别关键指标metrics = await self._identify_metrics(objectives)# 3. 确定分析方法methods = await self._select_methods(objectives,metrics)return {"objectives": objectives,"metrics": metrics,"methods": methods}

数据清洗功能

首先实现数据清洗功能：

class DataCleaner:def __init__(self,model: AnalysisLLM):self.model = modelasync def clean_data(self,data: pd.DataFrame) -> Dict[str, Any]:# 1. 数据概览profile = await self._profile_data(data)# 2. 识别问题issues = await self._identify_issues(data,profile)# 3. 执行清洗cleaned_data = await self._perform_cleaning(data,issues)return {"cleaned_data": cleaned_data,"profile": profile,"issues": issues}async def _identify_issues(self,data: pd.DataFrame,profile: Dict[str, Any]) -> List[Dict[str, Any]]:issues = []# 1. 检查缺失值missing = await self._check_missing_values(data)issues.extend(missing)# 2. 检查异常值outliers = await self._detect_outliers(data)issues.extend(outliers)# 3. 检查数据类型type_issues = await self._check_data_types(data)issues.extend(type_issues)return issuesasync def _perform_cleaning(self,data: pd.DataFrame,issues: List[Dict[str, Any]]) -> pd.DataFrame:cleaned = data.copy()for issue in issues:# 1. 处理缺失值if issue["type"] == "missing":cleaned = await self._handle_missing(cleaned,issue)# 2. 处理异常值elif issue["type"] == "outlier":cleaned = await self._handle_outlier(cleaned,issue)# 3. 处理类型问题elif issue["type"] == "type":cleaned = await self._handle_type(cleaned,issue)return cleaned

特征分析功能

接下来是特征分析功能：

class DataAnalyzer:def __init__(self,model: AnalysisLLM):self.model = modelasync def analyze_features(self,data: pd.DataFrame,requirements: Dict[str, Any]) -> Dict[str, Any]:# 1. 统计分析stats = await self._statistical_analysis(data)# 2. 特征相关性correlations = await self._correlation_analysis(data)# 3. 时间趋势trends = await self._trend_analysis(data)return {"statistics": stats,"correlations": correlations,"trends": trends}async def _statistical_analysis(self,data: pd.DataFrame) -> Dict[str, Any]:stats = {}# 1. 基础统计量basic_stats = await self._calculate_basic_stats(data)stats["basic"] = basic_stats# 2. 分布分析distribution = await self._analyze_distribution(data)stats["distribution"] = distribution# 3. 分组统计groupby = await self._group_statistics(data)stats["groupby"] = groupbyreturn statsasync def _correlation_analysis(self,data: pd.DataFrame) -> Dict[str, Any]:# 1. 计算相关系数corr_matrix = await self._calculate_correlations(data)# 2. 特征重要性importance = await self._feature_importance(data)# 3. 共线性检测collinearity = await self._check_collinearity(data)return {"correlation_matrix": corr_matrix,"feature_importance": importance,"collinearity": collinearity}

可视化功能

再来实现可视化功能：

class DataVisualizer:def __init__(self,model: AnalysisLLM):self.model = modelasync def create_visualizations(self,data: pd.DataFrame,analysis: Dict[str, Any]) -> Dict[str, Any]:# 1. 选择图表类型chart_types = await self._select_charts(data,analysis)# 2. 生成图表charts = await self._generate_charts(data,chart_types)# 3. 优化展示optimized = await self._optimize_display(charts)return {"charts": charts,"layout": optimized}async def _select_charts(self,data: pd.DataFrame,analysis: Dict[str, Any]) -> List[Dict[str, Any]]:charts = []# 1. 分布图表distribution_charts = await self._distribution_charts(data,analysis)charts.extend(distribution_charts)# 2. 关系图表relationship_charts = await self._relationship_charts(data,analysis)charts.extend(relationship_charts)# 3. 趋势图表trend_charts = await self._trend_charts(data,analysis)charts.extend(trend_charts)return chartsasync def _generate_charts(self,data: pd.DataFrame,chart_types: List[Dict[str, Any]]) -> List[Dict[str, Any]]:charts = []for chart_type in chart_types:# 1. 准备数据plot_data = await self._prepare_plot_data(data,chart_type)# 2. 设置样式style = await self._set_chart_style(chart_type)# 3. 生成图表chart = await self._plot_chart(plot_data,chart_type,style)charts.append({"type": chart_type,"data": plot_data,"style": style,"chart": chart})return charts

报告生成功能

最后是报告生成功能：

class ReportGenerator:def __init__(self,model: AnalysisLLM):self.model = modelasync def generate_report(self,data: pd.DataFrame,analysis: Dict[str, Any],visualizations: Dict[str, Any]) -> Dict[str, Any]:# 1. 提取要点key_points = await self._extract_key_points(analysis)# 2. 生成结构structure = await self._create_structure(key_points)# 3. 撰写内容content = await self._write_content(structure,analysis,visualizations)return {"key_points": key_points,"structure": structure,"content": content}async def _extract_key_points(self,analysis: Dict[str, Any]) -> List[Dict[str, Any]]:points = []# 1. 统计发现statistical_points = await self._extract_statistical_points(analysis["statistics"])points.extend(statistical_points)# 2. 相关性发现correlation_points = await self._extract_correlation_points(analysis["correlations"])points.extend(correlation_points)# 3. 趋势发现trend_points = await self._extract_trend_points(analysis["trends"])points.extend(trend_points)return pointsasync def _write_content(self,structure: Dict[str, Any],analysis: Dict[str, Any],visualizations: Dict[str, Any]) -> Dict[str, str]:content = {}# 1. 写摘要content["summary"] = await self._write_summary(structure,analysis)# 2. 写主体content["body"] = await self._write_body(structure,analysis,visualizations)# 3. 写结论content["conclusion"] = await self._write_conclusion(structure,analysis)return content