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120-data-science-interview-questions

Answers to 120 commonly asked data science interview questions.

arimax

Arimax function with data from Bush elections and effects of 9/11

aust.crime_ca

Australian crime analysis by type of crime and age - Correspondence Analysis

australian_crime

Australian crime, by type of crime and age - Correspondence Analysis

car_crashes

Correspondence Analysis (CA) - Airbag And Other Influences On Accident Fatalities - Dataset of US data, for 1997-2002, from police-reported car crashes in which there is a harmful event

coding-interview-university

A complete computer science study plan to become a software engineer.

crypto_forecast

Forecast for crypto currencies

diets_pca

PCA analysis for diets (some outpus only)

dir_anova_stats

Testing the efficiency of some diets with ANOVA and a lot of related tests regarding normality, homocedasticity and multiple comparations (Levene, Bartlett, Two Sample T-test ..)

energy_ts

Energy Comsuption Time Series Analysis and Forecast

fca_mfca-sas

feature-selection

Features selector based on the self selected-algorithm, loss function and validation method

forecasting_lab1

Forecasting exercices - lab1

groceries

Market Basket Analysis - Instacart dataset

h2o_r

h2O experiment with r

iris_pca

PCA with iris dataset

jus_incoming

Data from Portuguese Justice

kaggle_cp

Analysing the kaggle dataset about crime profiles

kaggle_project_framework

Framework containing a set of tools to be used in the kaggle projects with the goal of standardizing them.

kotlin-in-action

Code samples from the "Kotlin in Action" book

laurae

Advanced High Performance Data Science Toolbox for R by Laurae

lavaan_shiny

CFA and SEM analysis

mann

Mann Whitney and Two Sample T-Tests

math-as-code

a cheat-sheet for mathematical notation in code form

outliers_python

just some experiences in automization of outliers detection

pop_fca

Portuguese population analysis with CA

som

som with R

sparkr-sparlklyr

useful-scripts

Some useful scripts in different languages

web_ads

Analayis of web ads