import streamlit as st import numpy as np import pandas as pd import pickle import matplotlib.pyplot as plt from sklearn import datasets from sklearn.model_selection import train_test_split from sklearn.decomposition import PCA from sklearn.svm import SVC from sklearn.neighbors import KNeighborsClassifier from sklearn.ensemble import RandomForestClassifier import streamlit_echarts as st_echarts from sklearn.metrics import accuracy_score,confusion_matrix,f1_score def pivot_bar(data): option = { "xAxis":{ "type":"category", "data":data.index.tolist() }, "legend":{}, "yAxis":{ "type":"value" }, "series":[ ] }; for i in data.columns: option["series"].append({"data":data[i].tolist(),"name":i,"type":"bar"}) return option st.markdown("mode pracitce") st.sidebar.markdown("mode pracitce") df=pd.read_csv(r"D:\课程数据\old.csv") st.table(df.head()) with st.form("form"): index_val = st.multiselect("choose index",df.columns,["Response"]) agg_fuc = st.selectbox("choose a way",[np.mean,len,np.sum]) submitted1 = st.form_submit_button("Submit") if submitted1: z=df.pivot_table(index=index_val,aggfunc = agg_fuc) st.table(z) st_echarts(pivot_bar(z)) df_copy = df.copy() df_copy.drop(axis=1,columns="Name",inplace=True) df_copy["Response"]=df_copy["Response"].map({"no":0,"yes":1}) df_copy=pd.get_dummies(df_copy,columns=["Gender","Area","Email","Mobile"]) st.table(df_copy.head()) y=df_copy["Response"].values x=df_copy.drop(axis=1,columns="Response").values X_train, X_test, y_train, y_test = train_test_split(x, y, test_size=0.2) with st.form("my_form"): estimators0 = st.slider("estimators",0,100,10) max_depth0 = st.slider("max_depth",1,10,2) submitted = st.form_submit_button("Submit") if "model" not in st.session_state: st.session_state.model = RandomForestClassifier(n_estimators=estimators0,max_depth=max_depth0, random_state=1234) st.session_state.model.fit(X_train, y_train) y_pred = st.session_state.model.predict(X_test) st.table(confusion_matrix(y_test, y_pred)) st.write(f1_score(y_test, y_pred)) if st.button("save model"): pkl_filename = "D:\\pickle_model.pkl" with open(pkl_filename, 'wb') as file: pickle.dump(st.session_state.model, file) 会出什么错误

我没有发现代码中的错误。但是，你需要明确一些内容：

1. 你需要保证数据集的路径正确，并且数据集的格式正确。

2. 如果使用了 `streamlit_echarts` 库，在运行代码前需要先安装该库，可以通过 `!pip install streamlit_echarts` 命令进行安装。

3. 确保所有的依赖项都已经被正确地导入。

4. 确认你的代码没有语法错误和逻辑错误。

如果你仍然遇到问题，请提供更详细的错误信息或者异常信息。