R is OO also

potential earning is 3000 us dollars in 47 days

a backtest of leveraged ETF and the risks within.

further analysis of micro structure

No need for java in common cases

A easy way to calculate Value at Risk using the model building approach. An implement of the method using R shiny to make it available on the Internet by cloud service.

The micro level features of stock trading and the strategy inspired. P.S. behavior finance also

An intro to copula function and an example to implement them in R

what is environment, knowing them will make the black box type of coding more crystal clear

calculator for loan mortgage

some simple ggplot2 syntax for usual plotting, still there are other more complex plots

Still need to form the habit of using vectorize functions, use less loop as possible

all the optimization and non linear model approached optim could be used to customize the lost function like hinge loss and huber loss

Rubio's votes stay flat when ratio of Hispanic rises in county.

Spline example in ISLR

The script is an attempt to replicate the South Africa heart attack data results from the book Elements of Statistical learning.My first try in Rmarkdown, still looks a little rusty, thanks for your understanding!