優萌初華

# NodeJS JavaScript on the ”Server” # Node Project Setup Go over basics of creating node-based projects npm init to initialize projects 初始化项目 npm install or npm i to install local node modules to your project 安装模块 --save to save dependency to package.json defaults to this without flag now in...

# Objective Confidence Interval V.S. Prediction Interval 置信区间与预测区间 Qualitative Predictors 定性预测因子 Extension of the Linear Models 线性模型的扩展 # Goodness-of-Fit Test 拟合优度检验 # Overview What is Goodness-of-Fit Test? It is a test to determine if a population has a specified theoretical...

二尖瓣 mitral /bicuspid valve 英语中，二尖瓣被称为 mitral valve 或 bicuspid valve。 mitral 来自拉丁语，意为 “像主教冠的形状”。 bicuspid 结合了前缀 bi-（意为 “二个的”）和 cusp（意为 “尖端”），反映出一对拍动的瓣膜形状。 二尖瓣在我国曾被翻译为 “僧帽瓣”，此术语在日文一直沿用至今。 # 二尖瓣解剖基础和功能 二尖瓣位于左心房和左心室之间 舒张期二尖瓣打开，血液通过二尖瓣从左房射入左室 收缩期二尖瓣关闭，防止左室射血时血液倒流入左房 二尖瓣有两个瓣叶，根据前后位置，命名为前瓣和后瓣 #...

# Objective Multiple linear regression 多元线性回归 Basic R and Python command to run a multiple linear regression model 基本的 R 和 Python 命令运行一个多元线性回归模型 Subset Selection (Forward/Backward Selection) 子集选择 (向前 / 向后选择) # Multiple Linear Regression Predict a quantitative YYY by more than one predictor...

# Canvas 2D, Web GL 3D The HTML Canvas API gives the developer a way to draw graphics using JavaScript inside an HTML <canvas> element HTML Canvas API 为开发者提供了一种在 HTML <canvas> 元素中使用 JavaScript 绘制图形的方法 The Canvas API is primarily a 2D graphics API Canvas API 主要是一个 2D 图形...

There are a few major storage APIs Web Storage Indexed Database Web SQL Database – This has been deprecated and will no longer be developed or supported in the future. 这已经被弃用了，将来也不会再开发或支持了。 File...

# Objective What is a 'regression' function 什么是 “回归” 函数 Simple linear regression 简单线性回归 Best approximation, least squares, residual sum of squares (RSS), RSE, R2R^2R2 最佳近似、最小二乘法、残差平方和 (RSS)、RSE、R2R^2R2 Understand the output of a simple linear regression 理解简单线性回归的输出 Basic R and Python...

# HTML5 Video & Audio Built in support for playing audio and video in the browser without plugins like flash or silverlight 内置支持在浏览器中播放音频和视频，不需要像 flash 或 silverlight 这样的插件 Uses the <video> or <audio> tag for basic support. Traditionally format/codec support was...

# Outline An Overview of Statistical Learning 统计学习概述 What is Statistical Learning? 什么是统计学习？ Assessing Model Accuracy 评估模型精度 # An Overview of Statistical Learning # Introduction to Statistical Learning Statistical learning 统计学习 refers to a vast set of tools for understanding...

# The Heart The heart is a muscular structure with four chambers including two atria, which are the filling chambers and two ventricles, which are the pumping chambers. 心脏是一种肌肉结构，有四个腔室，包括两个充血腔的心房和两个泵血腔的心室。[1] The venous blood is drained from the body to the right chambers of the heart, then...