Publications by Jay Liao
DataM HW-0309-1: chickwts example
chickwts example Jay Chiehen Liao 2020-03-09 R Markdown This is an R Markdown document. Markdown is a simple formatting syntax for authoring HTML, PDF, and MS Word documents. For more details on using R Markdown see http://rmarkdown.rstudio.com. When you click the Knit button a document will be generated that includes both content as well as the...
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DataM Inclass-0309-5: Weather (Taipei)
天氣預報 【陰天有短暫雨，氣溫偏低，沿海空曠地區可能有強陣風。】 【更新時間：01/28 05:18】 今天(28日)大陸冷氣團影響及華南雲雨區東移，臺北地區為陰天且有短暫雨， 清晨低溫約 15度， 高溫約17度， 建議攜帶雨具備用及衣物保暖。沿海空曠地區可能有強陣�...
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DataM: In-class Exercise 0420
DataM: In-class Exercise 0420: Grammar of graphics In-class exercise 1. In-class exercise 2. In-class exercise 3. In-class exercise 4. In-class exercise 5. In-class exercise 6. Jay Liao 2020-04-24 library(dplyr) library(ggplot2) In-class exercise 1. Find out what each code chunk (indicated by '##') in the following R script does and provide...
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DataM: HW Exercise 0420 (Grammar of graphics)
DataM: Homework Exercise 0420 - Grammar of graphics HW exercise 1. Load in the data set and check its structure. Q1: Data visualization for gender difference Q2: Data visualization for individual difference Test for gender difference and individual difference HW exercise 3. Load in the data set and check the data structure Lollipop plot 1 - y: ...
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[Statistical Methods] Presentation - Overfitting and underfitting in regression
2020-10-19 Outline 1. What are underfitting and overfitting? 2. How to avoid overfitting and underfitting? 3. Other examples 1. What are underfitting and overfitting? Definition Underfitting：When the model performs poorly on the training data. This is because the model is unable to capture the relationship between the input variance and the t...
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[NCKU Machine Learning] Homework 2
Machine Learning - HW2 Load in the libraries Exercise 2.9 Exercise 2.9 - (a) Exercise 2.9 - (b) Exercise 2.9 - (c) Exercise 2.9 - (d) Exercise 2.9 - (e) Exercise 2.9 - (f) Exercise 2.10 Exercise 2.10 - (a) Exercise 2.10 - (b) Exercise 2.10 - (c) Exercise 2.10 - (d) Exercise 2.10 - (e) Exercise 2.10 - (f) Exercise 2.10 - (g) Exercise 2.10 - (h) ...
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[NCKU Machine Learning] Homework 3
Machine Learning - HW3 Exercise 3.14 Exercise 3.14 - (a) Exercise 3.14 - (b) Exercise 3.14 - (c) Exercise 3.14 - (d) Exercise 3.14 - (e) Exercise 3.14 - (f) Exercise 3.14 - (g) Exercise 3.15 Exercise 3.15 - (a) Exercise 3.15 - (b) Exercise 3.15 - (c) Exercise 3.15 - (d) Jay Liao 2020-09-28 Author: Jay Liao (ID: RE6094028) Exercise 3.14 Thi...
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[NCKU Machine Learning] Homework 5
Machine Learning - HW5 Exercise 4.10 Exercise 3.14 - (a) Exercise 3.14 - (b) Exercise 3.14 - (c) Exercise 3.14 - (d) Exercise 3.14 - (e) Exercise 3.14 - (f) Exercise 3.14 - (g) Exercise 3.14 - (h) Exercise 3.14 - (i) Jay Liao 2020-10-09 Author: Jay Liao (ID: RE6094028) Exercise 4.10 This question should be answered using the Weekly data set...
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[NCKU Machine Learning] Homework 6
Machine Learning - HW6 Load in the packages Exercise 5.5 Exercise 5.5 - (a) Exercise 5.5 - (b) Exercise 5.5 - (c) Exercise 5.5 - (d) Exercise 5.6 Exercise 5.6 - (a) Exercise 5.6 - (b) Exercise 5.6 - (c) Exercise 5.6 - (d) Exercise 5.9 Exercise 5.9 - (a) Exercise 5.9 - (b) Exercise 5.9 - (c) Exercise 5.9 - (d) Exercise 5.9 - (e) Exercise 5.9 - ...
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[NCKU Machine Learning] Homework 7
Machine Learning - HW7 Load the required packages Exercise 6.8 Exercise 6.8 - (a) Exercise 6.8 - (b) Exercise 6.8 - (c) Exercise 6.8 - (d) Exercise 6.8 - (e) Exercise 6.8 - (f) Exercise 6.9 Exercise 6.9 - (a) Exercise 6.9 - (b) Exercise 6.9 - (c) Exercise 6.9 - (d) Exercise 6.9 - (e) Exercise 6.9 - (f) Exercise 6.9 - (g) Jay Liao 2020-10-25 ...
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