Advice for Applying Machine Learning重要的笔记,必须手写上传
coursera Andrew Ng 机器学习第五周笔记 神经网络的学习过程
Neural Networks: Learningcost function
L = total number of layers in the network
sl = number of units (not counting bias unit) in layer l
K = number o......
coursera Andrew Ng 机器学习第四周笔记 神经网络模型
Neural Networks:Representation
这个周的课程很简单,就是介绍了神经网络是什么样子的
introduction
coursera Andrew Ng 机器学习第三周笔记 逻辑回归与泛化
Logistic RegressionClassification
The classification problem is just like the regression problem, except that the values y we now want to predict tak......
coursera Andrew Ng 机器学习第二周笔记 多个变量的线性回归
Linear Regression with Multiple VariablesMultiple Features
......
coursera机器学习第二周笔记
Linear Regression with Multiple VariablesMultiple Features
......
coursera Andrew Ng 机器学习第一周笔记 线性回归
machine learning
supervised learning, unsupervised learning, others(reinforcement learning, recommender system)
supervised learning
regressing,pre......
coursera机器学习第一周笔记
machine learning
supervised learning, unsupervised learning, others(reinforcement learning, recommender system)
supervised learning
regressing,pre......
学习hadoop和mapreduce
前言
4月底离职了,最近赋闲在家,趁着有空拓宽一下视野,学学大数据有关的基础知识吧。扫了一圈公开课的网站,Udacity网站有了专门的中文网站,不过教学视频还是英文的, 找了Hadoop和MapReduce入门这个课程,链接https://cn.udacity.com/course/intro-t......
Burpsuite实践:iOS app刷点击量
需求
最近有个做媒体的朋友,她们发表在某app上的文章,有点击量的KPI,问我能不能帮刷一刷阅读量。最近学了burpsuite,正好练习练习。
分析
稍微一观察,那app还比较简陋,同一个手机里,反复的去点击文章,再退出,就会增加点击量。
那目标就比较简单了,观察在手机上点击阅读某篇......