{{ message }}

Instantly share code, notes, and snippets.

# HongleiXie

Created Oct 15, 2017
regex_email_dates.py
View regex_email_dates.py
 import re email = 'Email: 87hello9__3w4-o.rld@comp.nus.edu.sg where hello_world=wenzy' out = re.search(r"([a-zA-Z0-9_\.+-]+)@([a-zA-Z0-9-]+)\.([a-zA-Z0-9-\.]+)", email) # find patterns: all chars including _ . - print(out.group(0)) print(out.group(1)) print(out.group(2)) print(out.group(3))
Created Aug 18, 2017
View Ploty-example-2.R
 ############################################################################### ## Plotly example ## Plots with customized annotations ## Author: Honglei Xie ############################################################################### library(plotly); library(tidyr); df_wide <- data.frame(month = seq(1:100), trough = rnorm(1:100, mean = 1), peak = rnorm(1:100, mean = 3));
Created Aug 18, 2017
View Plotly-example-1.R
 ############################################################################### ## Plotly example ## Plots highlighted the trough and peak by rectangles ## Author: Honglei Xie ############################################################################### library(plotly); library(tidyr); df <- data.frame(resp = rnorm(100), month = seq(1:100));
Last active Apr 30, 2016
Harvard CS109 HW0 -- MH Probelm Simulation
View mh_problem.py
 # -*- coding: utf-8 -*- """ MH Probelm Simulation @author: Honglei Xie TODO: Add plots """ import numpy as np # imports a fast numerical programming library import scipy as sp #imports stats functions, amongst other things import matplotlib as mpl # this actually imports matplotlib
Created Jan 12, 2016
Matlab program to implement MCMC to estimate parameters in ordinary logistic regression
View mcmc.m
 % logit_mcmc2.m file %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % Implement MCMC to fit logistic regression in a real data set %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% function w_est = logit_mcmc2(w_init,data,labels,max_iter,lambda) %assume data == features by samples %w_init w_init == (features+1) by 1 %labels == samples by 1 w_est = []; features = size(data,1);
You can’t perform that action at this time.