From ccba98e205a3a5a398af0c966b6a9673da6f3168 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E7=BA=B5=E9=81=87?=
 <9876711+longitudinal-encounter@user.noreply.gitee.com>
Date: Sat, 6 Jul 2024 00:31:24 +0000
Subject: [PATCH] =?UTF-8?q?=E6=9C=B1=E9=B9=8F=E9=A3=9E=E7=9A=84=E4=BD=9C?=
 =?UTF-8?q?=E4=B8=9A?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Signed-off-by: 纵遇 <9876711+longitudinal-encounter@user.noreply.gitee.com>
---
 __pycache__/datas.cpython-312.pyc | Bin 0 -> 1027 bytes
 datas.py                          | 160 ++++++++++++++++++++++++++++++
 predict.py                        |  33 ++++++
 3 files changed, 193 insertions(+)
 create mode 100644 __pycache__/datas.cpython-312.pyc
 create mode 100644 datas.py
 create mode 100644 predict.py

diff --git a/__pycache__/datas.cpython-312.pyc b/__pycache__/datas.cpython-312.pyc
new file mode 100644
index 0000000000000000000000000000000000000000..e064b69b26ed4f0c04a7cb687263bd5b85b9d269
GIT binary patch
literal 1027
zcmX@j%ge<81bwU9(*n2|7#@Q-FdzYCeAZxOV3^L3!jQt4!j!@cge)nnbJ&phY-oIT
zD4!#R6Re&K%I8Mo^FaB$XzKaU)bm66F!cgpz95==5PXPx5PXPx1XEDmBbb8f9>Elt
z`4IOY)C)oF!=|1I7$#u#=|WKqmBN}LrEI`(dpcq2vqg<BQ-I8uOdtXngbbMu@(c``
zY`0jFGfOIOu_P9yCf;H#%FoX&zQtCYoROcObBndOq%tS<7HdIKW^!s~g&a^5hXPQ0
z6UYo^kQq53ZaawE1LDq51QH#>Kw^sskeCCEG>8M1ta{ovKhp##?Wf6ji!~*&B(ZoU
z!)Kr#hF@|nRxt&YB^mj70Y&*)smUdVG3I)vF<>=%1(m-zY;yBcN^?@}ihu?)fSg`@
z0Z4veW@KdiAiy9Xaf4szhJfG=K`<#G@{yOFmF<HNNfI1D9bycEk~ai|LFNd7NkLI^
vi~?CMg4HNSQe6e{2ToU!B0<1|q!@+UgWzB%)u?!uNG5isM%E%hV9WvlD-jNG

literal 0
HcmV?d00001

diff --git a/datas.py b/datas.py
new file mode 100644
index 0000000..8e4f08d
--- /dev/null
+++ b/datas.py
@@ -0,0 +1,160 @@
+# 经验是来源于数据
+# 大数据   爬虫
+
+# 模拟太原 和吕梁的房价数据
+# 怎么模拟  城市  面积  户型  是不是学区房  装修的风格
+datas=[
+    {
+        "city":"吕梁",
+        "area":100,
+        "rooms":2,
+        "school":1,
+        "style":1,
+        "price":8000
+    },
+    {
+        "city":"吕梁",
+        "area":100,
+        "rooms":2,
+        "school":1,
+        "style":1,
+        "price":7800
+    },
+    {
+        "city":"吕梁",
+        "area":100,
+        "rooms":2,
+        "school":1,
+        "style":1,
+        "price":8200
+
+    },
+    # 模拟
+    {
+        "city": "吕梁",
+        "area": 130,
+        "rooms": 3,
+        "school": 1,
+        "style": 1,
+        "price": 8300
+    },
+    {
+        "city":"吕梁",
+        "area":135,
+        "rooms":3,
+        "school":1,
+        "style":1,
+        "price":8300
+    },
+    {
+        "city":"吕梁",
+        "area":140,
+        "rooms":3,
+        "school":1,
+        "style":1,
+        "price":8600
+    },
+
+{
+        "city": "吕梁",
+        "area": 130,
+        "rooms": 3,
+        "school": 1,
+        "style": 1,
+        "price": 5000
+    },
+    {
+        "city":"吕梁",
+        "area":135,
+        "rooms":3,
+        "school":1,
+        "style":1,
+        "price":5300
+    },
+    {
+        "city":"吕梁",
+        "area":140,
+        "rooms":3,
+        "school":1,
+        "style":1,
+        "price":6300
+    },
+    {
+        "city": "太原",
+        "area": 100,
+        "rooms": 2,
+        "school": 1,
+        "style": 1,
+        "price": 8000
+    },
+    {
+        "city": "太原",
+        "area": 100,
+        "rooms": 2,
+        "school": 1,
+        "style": 1,
+        "price": 7800
+    },
+    {
+        "city": "太原",
+        "area": 100,
+        "rooms": 2,
+        "school": 1,
+        "style": 1,
+        "price": 8200
+
+    },
+    # 模拟
+    {
+        "city": "太原",
+        "area": 130,
+        "rooms": 3,
+        "school": 1,
+        "style": 1,
+        "price": 8300
+    },
+    {
+        "city": "太原",
+        "area": 135,
+        "rooms": 3,
+        "school": 1,
+        "style": 1,
+        "price": 8300
+    },
+    {
+        "city": "太原",
+        "area": 140,
+        "rooms": 3,
+        "school": 1,
+        "style": 1,
+        "price": 8600
+    },
+
+    {
+        "city": "太原",
+        "area": 130,
+        "rooms": 3,
+        "school": 1,
+        "style": 1,
+        "price": 8500
+    },
+    {
+        "city": "太原",
+        "area": 135,
+        "rooms": 3,
+        "school": 1,
+        "style": 1,
+        "price": 8300
+    },
+    {
+        "city": "太原",
+        "area": 140,
+        "rooms": 3,
+        "school": 2,
+        "style": 2,
+        "price": 8600
+    },
+
+
+]
+
diff --git a/predict.py b/predict.py
new file mode 100644
index 0000000..5d35205
--- /dev/null
+++ b/predict.py
@@ -0,0 +1,33 @@
+import numpy as np
+
+# a=np.array([[1,2,3],[1,2,3],[1,2,3]])
+# b=np.array([1,2,3])
+# # 奇异矩阵
+# print(a.dot(b))
+#
+# print(a)
+# print(a.T) # 转置
+# print(np.linalg.pinv(a))  #求逆矩阵
+
+
+from datas import datas
+X=[]
+Y=[]
+cityMark={"吕梁":1,"太原":2}
+for item in datas:
+    single=[]
+    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([2,100,2,1,1])))
+# print(theta)
-- 
Gitee