Machine learning 如何部署没有预测属性的模型?
如何使用flask部署它,我的输出不会显示在窗口中,尽管部署时会显示主页并获取输入。您的函数“model(user)”必须返回一些内容 例如:Machine learning 如何部署没有预测属性的模型?,machine-learning,deployment,Machine Learning,Deployment,如何使用flask部署它,我的输出不会显示在窗口中,尽管部署时会显示主页并获取输入。您的函数“model(user)”必须返回一些内容 例如: app.py from flask import Flask, jsonify, request,render_template import pickle app = Flask(__name__,template_folder='template') # load model model = pickle.load(open("model.
app.py
from flask import Flask, jsonify, request,render_template
import pickle
app = Flask(__name__,template_folder='template')
# load model
model = pickle.load(open("model.pkl",'rb'))
# app
@app.route('/')
def home():
return render_template('recommendation.html')
# routes
@app.route('/api', methods=['POST'])
def predict():
result=request.form
query_user_name=result["user name"]
user_input = {'query':query_user_name}
output_data=model(query_user_name)
print(output_data)
# send back to browser
output ={output_data}
return f'<html><body><h1>{output_data}</h1><form action="/"><button type="submit">back </button> </form></body></html>'
if __name__ == '__main__':
app.run(debug=True)
def model(user):
recommended_list=[]
top_list=[]
x = data.iloc[data.loc[data.Users == user].index[0],2:]
similar = np.array([(data.iloc[i,0],weight_factor(x,data.iloc[i, 2:])) for i in range(0,data.shape[0],1)])
index= np.argsort( similar[:,1] )
index=index[::-1]
similar=similar[index]
neighbours = similar[similar[:,1].astype(float) > 0.6] #Taking threshold as 0.6
for i in range(0,len(neighbours),1):
for j in range(2,len(data.columns),1):
if data.iloc[data.loc[data.Users == neighbours[i][0]].index[0],j]==1 and data.iloc[data.loc[data.Users == user].index[0],j]==0:
recommended_list.append(data.columns[j])
if (len(neighbours)>10):
for i in range(0,10,1): #Top 10 neighbours
top_list.append(neighbours[i][0])
else:
for i in range(len(neighbours)):
top_list.append(neighbours[i][0])
if user in top_list: #Remove the user of which we are asked to find neighbours,each user is always strongly correlated with itself and its of no use to us.
top_list.remove(user)
print(" ")
print("Top users similar to this user are:")
print(" ")
for i in range(0,len(top_list),1):
print(top_list[i])
print(" ")
print("Users similar to this user liked these products too:")
print(" ")
recommended_array=np.unique(np.array(recommended_list))
for i in range(0,len(recommended_array),1):
print(recommended_array[i])
def model(user):
# code
return somethings