Publications by Jihang Li
ANLY 505 Assignment 6
Chapter 7 - Ulysses’ Compass This week began with the problem of overfitting, a universal phenomenon by which models with more parameters fit a sample better, even when the additional parameters are meaningless. Two common tools were introduced to address overfitting: regularizing priors and estimates of out-of-sample accuracy (WAIC and PSIS). ...
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ANLY 512 PROJECT
ANLY 512 PROJECT JL Introduction In this Quantified Self project, we will discuss my spending habits in year 2020. This project helps me to get better understanding where I spent my money on in 2020 and if I can save some money in the future. It is interesting to use the data in 2020 because of the COVID-19 happened. It also helps me fi...
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Problem Set1 - ggplot basics
Directions During ANLY 512 we will be studying the theory and practice of data visualization. We will be using R and the packages within R to assemble data and construct many different types of visualizations. We begin by studying some of the theoretical aspects of visualization. To do that we must appreciate the basic steps in the process of mak...
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Lab1
ANLY 512: Lab1 JL Stock Prices Column NIO Inc. (NIO) XPeng Inc. (XPEV) Li Auto Inc. (LI) Tesla (TSLA) Adjusted Closing Prices Column Adjusted Closing Prices for NIO Adjusted Closing Prices for XPeng Inc. Adjusted Closing Prices for Li Auto Inc. Adjusted Closing Prices for Tesla Trading Volumes Column Trading Volumes for NI...
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LAB2
ANLY512 LAB2 JL Introduction Global climate change becomes an important challenges for human beings in the past decades. In the dashboard, it shows the global monthly mean atmospheric carbon dioxide levels from 1958 to 2020. In the second page, it has mean temperature anomaly of the global surface temperature from 1880 to 2020. The next...
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