tutorial

Tidymodels Ecosystem Tutorial

Tiydmodels Ecosystem I also hold this post on this RPub tutorial. Introduction First we should get a feeling of tidymodels ecosystem, and understand what each package does! Note that: Data

Sep 15, 2022 17 min read ML, R, tutorial

R Plotly Tutorial

Loading Package library(tidyverse) library(plotly) library(zetaEDA) enable_zeta_ggplot_theme() ggplotly If you are very familiar with ggplot, then you can easily convert the ggplot object to plotly object, which is able to interactively communicate the plots with the end-user.

Jan 7, 2022 2 min read R, tutorial

Measure of Clumpiness

在零售行业中，广泛存在一部分顾客，满足如下的消费行为：消费间

Sep 6, 2022 1 min read PredictiveAnalytics, tutorial

Shell Tutorial For R User

Feb 5, 2021 1 min read tutorial, R, Mac

CLV小总结

引子 2021春节马上到了，2月4日开始放假，2月9号回家。在

Feb 3, 2021 1 min read Probability, PredictiveAnalytics, tutorial

Theory Behind Pareto/NBD Part 1

Theoretical proof behind PNBD Modeling Part 1.

Jan 31, 2021 4 min read PredictiveAnalytics, Probability, tutorial

Theory Behond Pareto/NBD Part 2

Theoretical proof behind PNBD Modeling Part 2.

Jan 31, 2021 4 min read PredictiveAnalytics, Probability, tutorial

Gamma-Gamma Spend Model

How to predict a customers mean spending in the future?

Jan 30, 2021 5 min read Probability, tutorial, PredictiveAnalytics

Note for Beta Distribution

Why Beta Distribution?

Jan 30, 2021 3 min read Probability, PredictiveAnalytics, tutorial

Note for Gamma Distribution

Motivation for Gamma Function Definition of Gamma Function Gamma Distribution How to remember the Gamma pdf? Gamma & Exponential Connection Motivation for Gamma Function We all know how to compute the factorial of integer.

Jun 30, 2022 3 min read Probability, tutorial

Probability Theory Study Notes

Online Courses Probability Theory and Stochastic Processes (video lecture). Description: These lectures encompass a full-year course in probability theory and stochastic processes, as taught at the University of California, San Diego (as Math 280).

Dec 17, 2020 1 min read Probability, tutorial

为什么关注留存率

引子大部分公司都具有 transaction data 交易数据，这种数据是非常常见、非常容

Oct 28, 2020 2 min read PredictiveAnalytics, tutorial

Deriving the conditional distributions of a multivariate normal distribution

Overall, the intuition behind the conditional distribution of a bivariate normal is that even though the two variables are correlated in the joint distribution, they can still be treated as independent when you’re looking at the distribution of one variable, given a fixed value of the other variable.

Mar 31, 2017 1 min read Probability, tutorial