diff --git a/0705/__pycache__/datas.cpython-311.pyc b/0705/__pycache__/datas.cpython-311.pyc new file mode 100644 index 0000000000000000000000000000000000000000..3241217ab0dbe4ec000b3b1a105ce4020c5746ad Binary files /dev/null and b/0705/__pycache__/datas.cpython-311.pyc differ diff --git a/0705/datas.py b/0705/datas.py new file mode 100644 index 0000000000000000000000000000000000000000..84518abf2221e51660c443320808c622a595dfe9 --- /dev/null +++ b/0705/datas.py @@ -0,0 +1,152 @@ +datas=[ + # 模拟的吕梁的第一类房子 + { + "city":"吕梁", + "area":130, + "rooms":2, + "school":1, + "style":1, + "price":8000 + }, + { + "city": "吕梁", + "area": 135, + "rooms": 2, + "school": 1, + "style": 1, + "price": 7800 + }, + { + "city": "吕梁", + "area": 140, + "rooms": 2, + "school": 1, + "style": 1, + "price": 8200 + }, + # 模拟的吕梁的第二类房子 + { + "city": "吕梁", + "area": 120, + "rooms": 3, + "school": 1, + "style": 1, + "price": 8500 + }, + { + "city": "吕梁", + "area": 100, + "rooms": 3, + "school": 1, + "style": 1, + "price": 8300 + }, + { + "city": "吕梁", + "area": 140, + "rooms": 3, + "school": 1, + "style": 1, + "price": 8600 + }, + # 模拟的吕梁的第三类房子 + { + "city": "吕梁", + "area": 130, + "rooms": 2, + "school": 1, + "style": 1, + "price": 6500 + }, + { + "city": "吕梁", + "area": 135, + "rooms": 2, + "school": 1, + "style": 1, + "price": 6300 + }, + { + "city": "吕梁", + "area": 140, + "rooms": 2, + "school": 1, + "style": 1, + "price": 6800 + }, + # 模拟的太原的第一类房子 + { + "city": "太原", + "area": 100, + "rooms": 2, + "school": 1, + "style": 1, + "price": 9800 + }, + { + "city": "太原", + "area": 135, + "rooms": 2, + "school": 1, + "style": 1, + "price": 9200 + }, + { + "city": "太原", + "area": 140, + "rooms": 2, + "school": 1, + "style": 1, + "price": 9800 + }, +# 模拟的太原的第二类房子 + { + "city": "太原", + "area": 100, + "rooms": 2, + "school": 1, + "style": 1, + "price": 1300 + }, + { + "city": "太原", + "area": 135, + "rooms": 2, + "school": 1, + "style": 1, + "price": 1600 + }, + { + "city": "太原", + "area": 140, + "rooms": 2, + "school": 1, + "style": 1, + "price": 9400 + }, +# 模拟的太原的第三类房子 + { + "city": "太原", + "area": 100, + "rooms": 3, + "school": 2, + "style": 2, + "price": 10000 + }, + { + "city": "太原", + "area": 140, + "rooms": 3, + "school": 2, + "style": 2, + "price": 11200 + }, + { + "city": "太原", + "area": 145, + "rooms": 3, + "school": 2, + "style": 2, + "price": 12800 + }, +] \ No newline at end of file diff --git a/0705/predict.py b/0705/predict.py new file mode 100644 index 0000000000000000000000000000000000000000..58f9b262dcabd4a2bf93b01cc8b7c3286609fb22 --- /dev/null +++ b/0705/predict.py @@ -0,0 +1,23 @@ +# 1.先安装一个 科学计算的框架 +import numpy as np +from datas import datas +X=[] +Y=[] +cityMark={"吕梁":1,"太原":2} +for item in datas: + single=[] + #城市 + single.append(cityMark[item["city"]]) + single.append(item["area"]) + single.append(item["rooms"]) + single.append(item["school"]) + single.append(item["style"]) + X.append(single) + Y.append(item["price"]) + X=np.array(X) + Y=np.array(Y) + theta=np.linalg.pinv(X.T.dot(X)).dot(X.T.dot(Y)) + print(theta.dot(np.array([2,130,2,1,1]))) + + + print(item) \ No newline at end of file