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zhao-hailei's Projects

dp icon dp

Dynamic Programming for Beginners

httr icon httr

httr: a friendly http package for R

lubridate icon lubridate

Make working with dates in R just that little bit easier

prime-harvesting icon prime-harvesting

A collection of python modules and jupyter notebooks for retirement research

py icon py

Repository to store sample python programs for python learning

py4e icon py4e

Web site for www.py4e.com and source to the Python 3.0 textbook

pydata-book icon pydata-book

Materials and IPython notebooks for "Python for Data Analysis" by Wes McKinney, published by O'Reilly Media

smart-beta-portfolio-optimization icon smart-beta-portfolio-optimization

Built a smart beta portfolio and compared it to a benchmark index by calculating the tracking error. Built a portfolio using quadratic programming to optimize the weights..

swirl_courses icon swirl_courses

:mortar_board: A collection of interactive courses for the swirl R package.

testrpc icon testrpc

Fast Ethereum RPC client for testing and development

tidyr icon tidyr

Easily tidy data with spread and gather functions.

tidytext icon tidytext

Text mining using dplyr, ggplot2, and other tidy tools :sparkles::page_facing_up::sparkles::page_facing_up::sparkles:

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