Publications by Hsin Chih Chen
Reproducible Research PA2
1: Data Introduction This assignment’s data source comes from the storm’s impact towards fatalities, injuries and property damage coming from US National Oceanic and Atmospheric Administration’s storm data. Listing when the storm occurs, and estimating of any fatalities, injuries and property damage. The data set is located in the dataset ...
1139 sym R (8651 sym/15 pcs) 2 img
Reproducible Research PA1
Introduction This assignment’s data sources comes from personal activity monitoring device, the device collects data at 5 mins interval throughout the day. The data contains 2 months of data from an annoymous individual collected between Oct and Nov 2012 while including the number of steps taken in 5 minutes intervals per day. The data consist...
3063 sym R (7428 sym/38 pcs)
Regression Models - PA
Project Introduction This project assignment is to look at a data set of car collections in 1974 (mtcars), and the two main questions this project would like to know the following questions. “Is automatic or manual transmission better for MPG”? “Quantify the MPG difference between automatic and manual transmissions” Preliminary Setup & ...
3273 sym R (9980 sym/34 pcs) 4 img 2 tbl
Data Science Milestone Report
Abstract This milestone report is for Johns Hopkins University’s data Science Capstone, and the scope of the capstone is to use existing text corpus to train the predictive text model. The general setup (for milestone analysis and training data preparation) will be applied throughout following section description with attached r codes. Prelimi...
2591 sym R (13089 sym/22 pcs) 3 img 2 tbl
Advanced Data Visualization with R: Week 3 Review
Hsin Chih Chen Animations and Interactivity Problem 1 ## Warning: 套件 'gganimate' 是用 R 版本 4.1.2 來建造的 ## Warning: 套件 'gifski' 是用 R 版本 4.1.2 來建造的 Problem 2 Problem 3 ...
94 sym R (87 sym/2 pcs) 1 img
Statistical Inference PA Part 1
Instructions Demonstrate sample mean and compare to theoretical mean of distribution Indicate sample’s variance and compare to theoretical variance of the distribution. Show that the distribution is approximately normal. Load Applicable Libraries library("data.table") library("ggplot2") Preliminary Setup for the random exponential generatio...
1098 sym R (1826 sym/19 pcs) 3 img
Statistical Inference PA Pt2
Introduction The ToothGrowth data in R datasets will be analyzed accordingly to find the data summary and use hypothesis tests to compare the tooth growth factor by either the supplement type and does type. Preliminary Setup & Store Data # load graphing tool interface package library(ggplot2) ## Warning: 套件 'ggplot2' 是用 R 版本 4.1.1 ...
1431 sym R (3587 sym/19 pcs) 2 img
Practical Machine Learning PA
Project Summary The general overview for this project is to analyze how well the 6 participants lifting their barbells where the accelerometers are placed on the belt, forearm, arm and dumbbell. While the performance of barbell lifts correctly and incorrectly in 5 different ways. Summary Based on the following investigation code below, the foll...
1122 sym R (3552 sym/24 pcs) 2 img
Developing Data Products - PA1
Project Description This project is to demonstrate the maps via Leaflet function while display the designed widget via hosts like GitHub, RPubs or NeoCities. The webpage must contain the date which the document is created. The Spin Off My map will demonstrate my favorite spots from Taiwan where as the spots have the responsive coordinates to be...
375 sym R (1007 sym/5 pcs)
Data Visualization in R with ggplot2: Week 1 Review
Your objective is to replicate these figures, created using the Center of Legislative Effectiveness Data. These figures are similar to those we completed in the lecture videos. Put your name here: Hsin Chih Chen IMPORTANT: Filter your data so you are only displaying information for the 115th Congress. Exercise 1 Hints: For the y-axis, use the ...
1578 sym 3 img