From 8e9575a7cc5ee44b93fde13afb513af24cf9d41e Mon Sep 17 00:00:00 2001
From: Ain <1943664026@qq.com>
Date: Fri, 5 Jul 2024 20:07:09 +0800
Subject: [PATCH] =?UTF-8?q?=E8=BD=AF=E5=B7=A51=E7=8F=AD=E5=90=B4=E4=BF=8A?=
=?UTF-8?q?=E6=9D=B0=207.5=E4=BD=9C=E4=B8=9A?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
---
7.5/.idea/.gitignore | 8 ++
7.5/.idea/7.5.iml | 10 ++
.../inspectionProfiles/profiles_settings.xml | 6 ++
7.5/.idea/misc.xml | 7 ++
7.5/.idea/modules.xml | 8 ++
7.5/__pycache__/datas.cpython-312.pyc | Bin 0 -> 705 bytes
7.5/datas.py | 87 ++++++++++++++++++
7.5/predict.py | 32 +++++++
8 files changed, 158 insertions(+)
create mode 100644 7.5/.idea/.gitignore
create mode 100644 7.5/.idea/7.5.iml
create mode 100644 7.5/.idea/inspectionProfiles/profiles_settings.xml
create mode 100644 7.5/.idea/misc.xml
create mode 100644 7.5/.idea/modules.xml
create mode 100644 7.5/__pycache__/datas.cpython-312.pyc
create mode 100644 7.5/datas.py
create mode 100644 7.5/predict.py
diff --git a/7.5/.idea/.gitignore b/7.5/.idea/.gitignore
new file mode 100644
index 0000000..13566b8
--- /dev/null
+++ b/7.5/.idea/.gitignore
@@ -0,0 +1,8 @@
+# Default ignored files
+/shelf/
+/workspace.xml
+# Editor-based HTTP Client requests
+/httpRequests/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml
diff --git a/7.5/.idea/7.5.iml b/7.5/.idea/7.5.iml
new file mode 100644
index 0000000..2c80e12
--- /dev/null
+++ b/7.5/.idea/7.5.iml
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+
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+
\ No newline at end of file
diff --git a/7.5/.idea/inspectionProfiles/profiles_settings.xml b/7.5/.idea/inspectionProfiles/profiles_settings.xml
new file mode 100644
index 0000000..105ce2d
--- /dev/null
+++ b/7.5/.idea/inspectionProfiles/profiles_settings.xml
@@ -0,0 +1,6 @@
+
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\ No newline at end of file
diff --git a/7.5/.idea/misc.xml b/7.5/.idea/misc.xml
new file mode 100644
index 0000000..f25cb9c
--- /dev/null
+++ b/7.5/.idea/misc.xml
@@ -0,0 +1,7 @@
+
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+
\ No newline at end of file
diff --git a/7.5/.idea/modules.xml b/7.5/.idea/modules.xml
new file mode 100644
index 0000000..6b331e2
--- /dev/null
+++ b/7.5/.idea/modules.xml
@@ -0,0 +1,8 @@
+
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+
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+
+
\ No newline at end of file
diff --git a/7.5/__pycache__/datas.cpython-312.pyc b/7.5/__pycache__/datas.cpython-312.pyc
new file mode 100644
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diff --git a/7.5/datas.py b/7.5/datas.py
new file mode 100644
index 0000000..e95e130
--- /dev/null
+++ b/7.5/datas.py
@@ -0,0 +1,87 @@
+# 经验就是来源于数据
+# 大数据 爬虫 后天
+# 模拟太原和吕梁的房价的数据
+#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":130,
+ "rooms":3,
+ "school":1,
+ "style":1,
+ "price":8500
+ },
+ {
+ "city":"吕梁",
+ "area":135,
+ "rooms":3,
+ "school":1,
+ "style":1,
+ "price":8300
+ },
+ {
+ "city":"吕梁",
+ "area":140,
+ "rooms":3,
+ "school":2,
+ "style":2,
+ "price":5600
+ },
+ {
+ "city":"吕梁",
+ "area":100,
+ "rooms":2,
+ "school":2,
+ "style":2,
+ "price":4000
+ },
+ {
+ "city":"太原",
+ "area":100,
+ "rooms":2,
+ "school":1,
+ "style":1,
+ "price":10000
+ },
+ {
+ "city":"太原",
+ "area":130,
+ "rooms":3,
+ "school":1,
+ "style":1,
+ "price":10500
+ },
+ {
+ "city":"太原",
+ "area":135,
+ "rooms":3,
+ "school":1,
+ "style":1,
+ "price":10300
+ },
+ {
+ "city":"太原",
+ "area":140,
+ "rooms":3,
+ "school":2,
+ "style":2,
+ "price":8600
+ },
+ {
+ "city":"太原",
+ "area":100,
+ "rooms":2,
+ "school":2,
+ "style":2,
+ "price":6500
+ }
+
+]
\ No newline at end of file
diff --git a/7.5/predict.py b/7.5/predict.py
new file mode 100644
index 0000000..46192ab
--- /dev/null
+++ b/7.5/predict.py
@@ -0,0 +1,32 @@
+# #1.先安装一个科学计算的框架
+# import numpy as np
+# a=np.array([[3,2,3],[3,2,3],[3,2,3]])
+# b=np.array([1,2,3])
+# #奇异矩阵 点乘 转置 逆
+# print(a.T)
+# print(a.dot(b))
+# print(np.linalg.pinv(a))
+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"]])
+ #面积
+ single.append(item["area"])
+ #房间数
+ single.append(item["rooms"])
+ #学区房
+ single.append(item["school"])
+ #装修
+ 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])))
\ No newline at end of file
--
Gitee