Publications by Alex Yarosh

Introduction to Data Visualization with ggplot2

07.09.2024

Introduction to Data Visualization with ggplot2 1 Introduction 1.1 Drawing your first plot 1.2 Data columns types affect plot types 1.3 Mapping data columns to aesthetics 1.4 Adding geometries 1.5 Changing one geom or every geom 1.6 Saving plots as variables 2 Aesthetics 2.1 All about aesthetics: color, shape and size 2.2 All about aesthetics: ...

28488 sym Python (26684 sym/144 pcs) 102 img

Introduction to the Tidyverse

29.08.2024

Introduction to the Tidyverse 1 Data wrangling 1.1 Loading the gapminder and dplyr packages 1.2 Filtering for one year 1.3 Filtering for one country and one year 1.4 Arranging observations by life expectancy 1.5 Filtering and arranging 1.6 Using mutate to change or create a column 1.7 Combining filter, mutate, and arrange 2 Data visualization 2...

19981 sym Python (18169 sym/61 pcs) 19 img

Intermediate Data Visualization with Seaborn

28.08.2024

Intermediate Data Visualization with Seaborn 1 Seaborn Introduction 1.1 Reading a csv file 1.2 Comparing a histogram and displot 1.3 Plot a histogram 1.4 Rug plot and kde shading 1.5 Create a regression plot 1.6 Plotting multiple variables 1.7 Facetting multiple regressions 2 Customizing Seaborn Plots 2.1 Setting the default style 2.2 Comparing...

22580 sym Python (18474 sym/138 pcs) 60 img

Introduction to Data Visualization with Seaborn

27.08.2024

Introduction to Data Visualization with Seaborn 1 Introduction to Seaborn 1.1 Making a scatter plot with lists 1.2 Making a count plot with a list 1.3 “Tidy” vs. “untidy” data 1.4 Making a count plot with a DataFrame 1.5 Hue and scatter plots 1.6 Hue and count plots 2 Visualizing Two Quantitative Variables 2.1 Creating subplots with co...

26261 sym Python (15210 sym/115 pcs) 54 img

Life Expectancy - 2021/12/31

26.08.2024

Life Expectancy - 2021/12/31 1 Get Life Tables 2 Visualize Data for the U.S.A 2.1 Mortality Rate and Age by Gender (U.S.A., 2019) 2.2 Mortality Rate and Age by Year and Gender (U.S.A., 1933-2021) 2.3 Log Mortality Rate and Age by Gender (U.S.A., 2019) 2.4 Log Mortality Rate and Age by Year and Gender (U.S.A., 1933-2021) 2.5 Survival Probability a...

2398 sym 15 img

Introduction to Data Visualization with Matplotlib

26.08.2024

Introduction to Data Visualization with Matplotlib 1 Introduction to Matplotlib 1.1 Using the matplotlib.pyplot interface 1.2 Adding data to an Axes object 1.3 Customizing data appearance 1.4 Customizing axis labels and adding titles 1.5 Creating small multiples with plt.subplots 1.6 Small multiples with shared y axis 2 Plotting time-series 2.1...

28015 sym Python (13140 sym/43 pcs) 25 img

Document

08.06.2024

LeetCode 217. Contains Duplicate Given an integer array nums, return true if any value appears at least twice in the array, and return false if every element is distinct. Example 1: Input: nums = [1,2,3,1] Output: true Example 2: Input: nums = [1,2,3,4] Output: false Example 3: Input: nums = [1,1,1,3,3,4,3,2,4,2] Output: true 217. Contains Duplic...

5736 sym

Object-Oriented Programming in Python

16.04.2023

Course Description Object-oriented programming (OOP) is a widely used programming paradigm that reduces development times—making it easier to read, reuse, and maintain your code. OOP shifts the focus from thinking about code as a sequence of actions to looking at your program as a collection of objects that interact with each other. In this cours...

38248 sym Python (23328 sym/46 pcs) 3 img 3 tbl

Introduction to SQL

16.04.2023

Course Description The role of a data scientist is to turn raw data into actionable insights. Much of the world’s raw data—from electronic medical records to customer transaction histories—lives in organized collections of tables called relational databases. To be an effective data scientist, you must know how to wrangle and extract data from...

32611 sym Python (10384 sym/153 pcs) 98 tbl

Writing Functions in Python

16.04.2023

Course Description You’ve done your analysis, built your report, and trained a model. What’s next? Well, if you want to deploy your model into production, your code will need to be more reliable than exploratory scripts in a Jupyter notebook. Writing Functions in Python will give you a strong foundation in writing complex and beautiful function...

26089 sym Python (22956 sym/37 pcs) 1 img