WinVector/SessionExample

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WinVector/SessionExample

WinVector

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Example code for articles on sessionizing data.

zmPDSwR

Example R scripts and data for "Practical Data Science with R" 1st edition by Nina Zumel and John Mount (Manning Publications)

vtreat

vtreat is a data frame processor/conditioner that prepares real-world data for predictive modeling in a statistically sound manner. Distributed under choice of GPL-2 or GPL-3 license.

Examples

Various examples for different articles

wrapr

Wrap R for Sweet R Code

PDSwR2

Code, Data, and Examples for Practical Data Science with R 2nd edition (Nina Zumel and John Mount) https://github.com/WinVector/PDSwR2

pyvtreat

vtreat is a data frame processor/conditioner that prepares real-world data for predictive modeling in a statistically sound manner. Distributed under a BSD-3-Clause license.

data_algebra

Codd method-chained SQL generator and Pandas data processing in Python.

rquery

Data Wrangling and Query Generating Operators for R. Distributed under choice of GPL-2 or GPL-3 license.

WVPlots

Pre-packaged plots in R

replyr

Patches for using dplyr with Databases and Big Data

BigDataRStrata2017

All material for "Modeling big data with R, sparklyr, and Apache Spark" Strata Hadoop 2017.

seplyr

Improved Standard Evaluation Interfaces for Common Data Manipulation Tasks

cdata

Higher order fluid or coordinatized data transforms in R. Distributed under choice of GPL-2 or GPL-3 license.

CampaignPlanner

Example code for Lesson on Response Campaign planning

rqdatatable

Implement the rquery piped query algebra in R using data.table. Distributed under choice of GPL-2 or GPL-3 license.

Logistic

Experimental logistic regression code supporting multiple result categories, many levels of categorical modeling variables, good optimization, L2 regularization and more.

AutoDiff

Example automatic differentiation code in Scala

sigr

Concise formatting of significances in R (GPL3 license).

ExploreModels

Code and data for "The Geometry of Classifiers"

WinVector.github.io

Viewable pages from WinVector LLC view at: http://winvector.github.io

NestedModelsTalk

Support materials for WinVector talk

CampaignPlanner_v3

Shiny demo of A/B test planning and evaluation (improved UI for A/B testing method taught in free video course)

WVLPSolver

Experimental pure Java revised simplex linear program solver (Apache 2.0 license)

Locality-Sensitive-Hashing-Example

Simple example of Locality Sensitive Hashing

RcppDynProg

Dynamic Programming implemented in Rcpp. Includes example partition and out of sample fitting applications.

ODSCWest2017

Win-Vector LLC ODSC West 2017 presentation materials (will be populated by the day of the conference)

kcomp

Demonstration of parametric bootstrap to find k for kmeans

ValidatingModelsInR

Slides and code for "Validating Models in R" Strata 2016 RDay http://conferences.oreilly.com/strata/hadoop-big-data-ca/public/schedule/detail/48053

SQLScrewdriver

Iterate through database tables (by JDBC) and TSV(tab separated values)/CSV(comma separated values) and load/dump data.

wvpy

Tools to convert from Jupyter notebooks to and from Python .py files, and render.

FastBaseR

Examples of fast grouped row-wise operations in R (no C, C++, data.table, or dplyr used).

VectorDemo

Tutorial on using vectors in data science projects.

Jupyter Notebook

OutOfCore

Example of out of core coding techniques

Importance-Sampling

Importance Sampling Example

ExampleRPackage

Example of how to build a simple R package

ClassifierMetrics

Some examples of measuring classifier performance in R

QSurvival

Quasi observation based survival package for R.

LStep

Trivial demonstration of a diverging Newton-Raphson step when solving a logistic regression

JXREF

Java based XML tool to help check Manning Agile Author XML for cross reference problems (Java based, GPL3+ license)

ExperimentInspector

Java code to build synthetic data sets that match reported summary totals. Helps explore possible range of variation.

crosspca

Cross-validated PCA/PCR demonstration based on the work: http://www.win-vector.com/blog/2016/05/pcr_part2_yaware/

daccum

Example library to accumulate data frame rows in R

YConditionalRegularizedModel

Example of a neural net model, with regularization on y-conditional activation patterns

Jupyter Notebook

ATasteOfDataScience

Working an example of supervised machine learning in Python

Jupyter Notebook

CVRTSEncoder

Spectral encoding of categorical variables using model residual trajectories

wvu

Win Vector LLC Python data science teaching tools (graphs and data manipulation)

BreakingNestedModelBias

Support materials for Win-Vector blog article