Karina Data Scientist

Karina Data Scientist

Hi, I'm Karina! A decade ago, I transitioned from finance to the world of data analytics and data science. It is all started with simple ...

@karinadatascientist subscribers

Data Science Portfolio Project - K-means

Karina Data Scientist

Data Science Portfolio Project - K-means

1 year ago - 27:07

Credit Card Fraud Detection using ML (Python) | Random Forest

Karina Data Scientist

Credit Card Fraud Detection using ML (Python) | Random Forest

8 months ago - 19:28

Data Science Project - RFM model

Karina Data Scientist

Data Science Project - RFM model

1 year ago - 29:03

Data Science Portfolio Project - Churn prediction model

Karina Data Scientist

Data Science Portfolio Project - Churn prediction model

11 months ago - 35:51

Power BI mistakes

Karina Data Scientist

Power BI mistakes

1 year ago - 16:35

Data Cleaning in Pandas in 20 minutes

Karina Data Scientist

Data Cleaning in Pandas in 20 minutes

10 months ago - 20:40

Data Analysis Project in Excel - Build Interactive Dashboard

Karina Data Scientist

Data Analysis Project in Excel - Build Interactive Dashboard

6 months ago - 29:08

Mode, median, mean in statistics

Karina Data Scientist

Mode, median, mean in statistics

1 year ago - 7:45

T-test, ANOVA test, Regression in Excel

Karina Data Scientist

T-test, ANOVA test, Regression in Excel

2 months ago - 28:48

Data Analytics Portfolio Project - Coffee Sales

Karina Data Scientist

Data Analytics Portfolio Project - Coffee Sales

1 year ago - 31:10

Data Analysis Project in Excel (Beginner to Intermediate)

Karina Data Scientist

Data Analysis Project in Excel (Beginner to Intermediate)

1 year ago - 33:40

How I'd become a Data Analyst if I had to start today

Karina Data Scientist

How I'd become a Data Analyst if I had to start today

1 year ago - 12:53

What is conditional probability #stats #maths #statistics #probability #datascience #dataanlytics

Karina Data Scientist

What is conditional probability #stats #maths #statistics #probability #datascience #dataanlytics

10 months ago - 1:00

How To Write a Data Analyst / Data Scientist Resume

Karina Data Scientist

How To Write a Data Analyst / Data Scientist Resume

7 months ago - 24:01

Solve Mystery with Stats: Correlation Coefficient

Karina Data Scientist

Solve Mystery with Stats: Correlation Coefficient

1 year ago - 3:29

Excel Lookups Made EASY! Master VLOOKUP, HLOOKUP, and XLOOKUP in 10 MIN

Karina Data Scientist

Excel Lookups Made EASY! Master VLOOKUP, HLOOKUP, and XLOOKUP in 10 MIN

9 months ago - 10:44

Common data visualization mistakes #dataanalytics #datascience #datavisualization

Karina Data Scientist

Common data visualization mistakes #dataanalytics #datascience #datavisualization

9 months ago - 0:19

How I'd Learn Python for Data Analysis in 2025

Karina Data Scientist

How I'd Learn Python for Data Analysis in 2025

7 months ago - 10:35

Linear regression in #Excel #stats #statistics #datascience #dataanalytics #maths

Karina Data Scientist

Linear regression in #Excel #stats #statistics #datascience #dataanalytics #maths

1 year ago - 1:00

Build Image Recognition Model In Python in 20 min

Karina Data Scientist

Build Image Recognition Model In Python in 20 min

9 months ago - 22:30

Advanced Pandas Tutorial: 7 Data Analysis Techniques You Need to Know

Karina Data Scientist

Advanced Pandas Tutorial: 7 Data Analysis Techniques You Need to Know

7 months ago - 26:34

How to select columns in Python #pythonprogramming #dataanalyticswithpython #pythontutorial

Karina Data Scientist

How to select columns in Python #pythonprogramming #dataanalyticswithpython #pythontutorial

7 months ago - 0:53

Monte Carlo Simulation (Predict NVIDIA Share Price)

Karina Data Scientist

Monte Carlo Simulation (Predict NVIDIA Share Price)

1 year ago - 14:01

For Loops and While Loops in Python

Karina Data Scientist

For Loops and While Loops in Python

10 months ago - 19:02

Word Cloud in Python

Karina Data Scientist

Word Cloud in Python

10 months ago - 15:25

How to change a string to upper or lower case in Python #pythonprogramming #pythontutorial #python

Karina Data Scientist

How to change a string to upper or lower case in Python #pythonprogramming #pythontutorial #python

6 months ago - 0:50

Practice platforms for data analysts #dataanlytics #python #sql #excel

Karina Data Scientist

Practice platforms for data analysts #dataanlytics #python #sql #excel

5 months ago - 0:11

Data Analyst Portfolio Project with Python

Karina Data Scientist

Data Analyst Portfolio Project with Python

1 year ago - 15:33

Regular Expressions (Regex) in Python Tutorial

Karina Data Scientist

Regular Expressions (Regex) in Python Tutorial

5 months ago - 22:44

Hugging Face Tutorial (2024) - Sentiment Analysis, Text Generation, LLM

Karina Data Scientist

Hugging Face Tutorial (2024) - Sentiment Analysis, Text Generation, LLM

11 months ago - 17:08

T-test in MS Excel

Karina Data Scientist

T-test in MS Excel

1 year ago - 4:33

Z test in #statistics #stats #maths #datascience #datascientist #ml #dataanalysis

Karina Data Scientist

Z test in #statistics #stats #maths #datascience #datascientist #ml #dataanalysis

1 year ago - 0:42

Exploratory Data Analysis in 20 Minutes

Karina Data Scientist

Exploratory Data Analysis in 20 Minutes

9 months ago - 21:51

Surprising Ways to Build a PERFECT DATA Portfolio

Karina Data Scientist

Surprising Ways to Build a PERFECT DATA Portfolio

10 months ago - 12:47

Resources to learn Python #pythonprogramming #dataanlytics #datascience #python #python forbeginners

Karina Data Scientist

Resources to learn Python #pythonprogramming #dataanlytics #datascience #python #python forbeginners

8 months ago - 0:39

Master SQL Window Functions in 15 Minutes | ROW_NUMBER, LAG/LEAD, RANK, FIRST_VALUE

Karina Data Scientist

Master SQL Window Functions in 15 Minutes | ROW_NUMBER, LAG/LEAD, RANK, FIRST_VALUE

8 months ago - 15:23

Data Scientist Portfolio Project - Logistic Regression (Beginners to Intermediate)

Karina Data Scientist

Data Scientist Portfolio Project - Logistic Regression (Beginners to Intermediate)

1 year ago - 31:11

Linear Regression

Karina Data Scientist

Linear Regression

1 year ago - 8:09

ROC Curves in the Easiest Way Possible #datascience #stats #statistics #datascientist

Karina Data Scientist

ROC Curves in the Easiest Way Possible #datascience #stats #statistics #datascientist

1 year ago - 1:00

The central limit theorem #stats #statistics #maths #datascience #dataanlytics

Karina Data Scientist

The central limit theorem #stats #statistics #maths #datascience #dataanlytics

10 months ago - 0:57

What is transfer learning in ML #datascience #ml #dataanalyst #stats

Karina Data Scientist

What is transfer learning in ML #datascience #ml #dataanalyst #stats

10 months ago - 0:57

How to view summary of your data with Python #dataanalytics #python #datascience

Karina Data Scientist

How to view summary of your data with Python #dataanalytics #python #datascience

9 months ago - 0:44

Alpha (significance level) in #statistics #stats #maths #datascience #dataanalytics #datanalysis

Karina Data Scientist

Alpha (significance level) in #statistics #stats #maths #datascience #dataanalytics #datanalysis

1 year ago - 1:00

Add bar charts into the cells in Excel #excel #exceltips #exceltricks

Karina Data Scientist

Add bar charts into the cells in Excel #excel #exceltips #exceltricks

7 months ago - 0:41

Pivot tables in Python #datascience #dataanalysis #pythonprogramming hon

Karina Data Scientist

Pivot tables in Python #datascience #dataanalysis #pythonprogramming hon

11 months ago - 0:46

What NOT to do in a Job Interview

Karina Data Scientist

What NOT to do in a Job Interview

9 months ago - 10:44

How to stack data in Python #datascience #python #pythonprogramming #dataanalysis

Karina Data Scientist

How to stack data in Python #datascience #python #pythonprogramming #dataanalysis

9 months ago - 0:46

querying data in Python #pythonprogramming #dataanlytics #python #coding

Karina Data Scientist

querying data in Python #pythonprogramming #dataanlytics #python #coding

8 months ago - 0:52

Free courses on data science and machine learning #sql #python #datascience

Karina Data Scientist

Free courses on data science and machine learning #sql #python #datascience

9 months ago - 0:28

Ask these questions before you do any #dataanalysis #dataanalytics #dataanalyst

Karina Data Scientist

Ask these questions before you do any #dataanalysis #dataanalytics #dataanalyst

9 months ago - 0:56

How to transpose data in Python #pythonprogramming #dataanalytics #datascience #programmer

Karina Data Scientist

How to transpose data in Python #pythonprogramming #dataanalytics #datascience #programmer

9 months ago - 0:38

LinkedIn Hack. #dataanalyst #linkedin #careertips

Karina Data Scientist

LinkedIn Hack. #dataanalyst #linkedin #careertips

8 months ago - 0:23

Bagging and boosting in ML #ML #datascience #dataanalytics #stats

Karina Data Scientist

Bagging and boosting in ML #ML #datascience #dataanalytics #stats

11 months ago - 0:48

Hypothesis testing in statistics #statistics #dataanalytics #stats #maths #datascience

Karina Data Scientist

Hypothesis testing in statistics #statistics #dataanalytics #stats #maths #datascience

1 year ago - 1:00

Binomial distribution in #statistics #stats #maths #datascience #ml #dataanalytics

Karina Data Scientist

Binomial distribution in #statistics #stats #maths #datascience #ml #dataanalytics

1 year ago - 0:43

What is a scatter plot #dataanalyst #dataanalytics #datascience #bigdata #statistics

Karina Data Scientist

What is a scatter plot #dataanalyst #dataanalytics #datascience #bigdata #statistics

10 months ago - 1:00

What is conditional probability #stats #maths #statistics #probability #datascience #dataanlytics

Karina Data Scientist

What is conditional probability #stats #maths #statistics #probability #datascience #dataanlytics

10 months ago - 1:00

Count number of rows in Python .shape and len() #python #pythontutorial #pythonprogramming

Karina Data Scientist

Count number of rows in Python .shape and len() #python #pythontutorial #pythonprogramming

6 months ago - 0:48

Python remove duplicates in your data #python #pythonprogramming #datascience #dataanalytics #ml

Karina Data Scientist

Python remove duplicates in your data #python #pythonprogramming #datascience #dataanalytics #ml

1 year ago - 1:00

Websites to practice data analysis #dataanalytics #dataanalyst #datascience #kaggle

Karina Data Scientist

Websites to practice data analysis #dataanalytics #dataanalyst #datascience #kaggle

8 months ago - 0:43

What is Gradient Boosting Algorithm in #ml #datascience #gbm #dataanalyst

Karina Data Scientist

What is Gradient Boosting Algorithm in #ml #datascience #gbm #dataanalyst

11 months ago - 0:59

What is a confidence interval and margin of error in #statistics #stats #datascience #dataanalytics

Karina Data Scientist

What is a confidence interval and margin of error in #statistics #stats #datascience #dataanalytics

9 months ago - 1:00

ROC curve in #statistics #stats #maths #datascience #dataanalytics #datascientist #dataanalyst

Karina Data Scientist

ROC curve in #statistics #stats #maths #datascience #dataanalytics #datascientist #dataanalyst

1 year ago - 1:00

Parametric tests in #statistics #stats #maths #datascience #dataanalyticscareers

Karina Data Scientist

Parametric tests in #statistics #stats #maths #datascience #dataanalyticscareers

1 year ago - 0:42

Cross validation in ML #ml #machinelearning #datascience #datascientist

Karina Data Scientist

Cross validation in ML #ml #machinelearning #datascience #datascientist

Introduction ...

11 months ago - 1:00

Count unique values with Python #python #pythonprogramming #coding #pythonlearning

Karina Data Scientist

Count unique values with Python #python #pythonprogramming #coding #pythonlearning

7 months ago - 0:24

Python tips #python #dataanalytics #pythonprogramming #datascience #dataanalyst #datascientist

Karina Data Scientist

Python tips #python #dataanalytics #pythonprogramming #datascience #dataanalyst #datascientist

1 year ago - 1:00

Naive Bayes Classifier #ml #statistics #datascience #dataanalytics #stats #maths

Karina Data Scientist

Naive Bayes Classifier #ml #statistics #datascience #dataanalytics #stats #maths

1 year ago - 1:00

Turn off warnings in Python #pythonprogramming #python #pythontutorial #datascience #dataanalytics

Karina Data Scientist

Turn off warnings in Python #pythonprogramming #python #pythontutorial #datascience #dataanalytics

1 year ago - 1:00

One-tailed test in #statistics #stats #maths #datascience #dataanalytics

Karina Data Scientist

One-tailed test in #statistics #stats #maths #datascience #dataanalytics

11 months ago - 0:45

Feature engineering in #ML #datascience #dataanalytics #dataanalytics #datascientist #statistics

Karina Data Scientist

Feature engineering in #ML #datascience #dataanalytics #dataanalytics #datascientist #statistics

1 year ago - 0:58

Neural networks in ML #ml #datascience #dataanalytics #data #machinelearning #neuralnetworks

Karina Data Scientist

Neural networks in ML #ml #datascience #dataanalytics #data #machinelearning #neuralnetworks

Intro ...

1 year ago - 1:00

Forecast function in Excel #excel #exceltips #exceltricks #exceltutorial #dataanlytics

Karina Data Scientist

Forecast function in Excel #excel #exceltips #exceltricks #exceltutorial #dataanlytics

5 months ago - 0:40

What is SVM in ML #ml #datascience #svm #datascientist #machinelearning

Karina Data Scientist

What is SVM in ML #ml #datascience #svm #datascientist #machinelearning

10 months ago - 1:00

How to Count Unique Values in Excel (2024)

Karina Data Scientist

How to Count Unique Values in Excel (2024)

1 year ago - 0:42

Time series forecasting in ML (ARIMA, Holt-Winters)

Karina Data Scientist

Time series forecasting in ML (ARIMA, Holt-Winters)

8 months ago - 27:14

How to handle missing values in Python #dataanalyst #dataanlytics #datascience #python programming

Karina Data Scientist

How to handle missing values in Python #dataanalyst #dataanlytics #datascience #python programming

10 months ago - 1:00

Encoding in ML #datascience #ml #datascientist #dataanalytics #dataanalysis #data #ai

Karina Data Scientist

Encoding in ML #datascience #ml #datascientist #dataanalytics #dataanalysis #data #ai

Intro ...

1 year ago - 1:00

Focus cell in Excel #excel #exceltips #exceltricks

Karina Data Scientist

Focus cell in Excel #excel #exceltips #exceltricks

7 months ago - 0:14

SQL Tutorial (SELECT, WHERE, AND, OR, COUNT, SUM, AVG, ROUND)

Karina Data Scientist

SQL Tutorial (SELECT, WHERE, AND, OR, COUNT, SUM, AVG, ROUND)

8 months ago - 23:41

SQL Tutorial (JOIN, GROUP BY, SUBQUERY, HAVING, IN)

Karina Data Scientist

SQL Tutorial (JOIN, GROUP BY, SUBQUERY, HAVING, IN)

8 months ago - 25:37

Remove duplicates in Excel #excel #exceltips #exceltutorial #dataanalytics

Karina Data Scientist

Remove duplicates in Excel #excel #exceltips #exceltutorial #dataanalytics

6 months ago - 0:36

Markdown in Python #pythonprogramming #pythontutorial #python #dataanalysis

Karina Data Scientist

Markdown in Python #pythonprogramming #pythontutorial #python #dataanalysis

7 months ago - 0:54

How to generate a dataset with ChatGPT #AI #chatgpt #dataanalytics

Karina Data Scientist

How to generate a dataset with ChatGPT #AI #chatgpt #dataanalytics

9 months ago - 1:00

Data Analytics Portfolio Project - Netflix customer base (Python)

Karina Data Scientist

Data Analytics Portfolio Project - Netflix customer base (Python)

11 months ago - 28:57

Hugging Face Tutorial (2024) - Sentiment Analysis, Text Generation, LLM

Karina Data Scientist

Hugging Face Tutorial (2024) - Sentiment Analysis, Text Generation, LLM

11 months ago - 17:08

Pivot tables in Python #datascience #dataanalysis #pythonprogramming hon

Karina Data Scientist

Pivot tables in Python #datascience #dataanalysis #pythonprogramming hon

11 months ago - 0:46

How to view summary of your data with Python #dataanalytics #python #datascience

Karina Data Scientist

How to view summary of your data with Python #dataanalytics #python #datascience

9 months ago - 0:44

Type 1 and type 2 error in statistics #statistics #stats #datascience #dataanalytics #ml

Karina Data Scientist

Type 1 and type 2 error in statistics #statistics #stats #datascience #dataanalytics #ml

1 year ago - 1:00

What is a scatter plot #dataanalyst #dataanalytics #datascience #bigdata #statistics

Karina Data Scientist

What is a scatter plot #dataanalyst #dataanalytics #datascience #bigdata #statistics

10 months ago - 1:00

Binomial distribution in #statistics #stats #maths #datascience #ml #dataanalytics

Karina Data Scientist

Binomial distribution in #statistics #stats #maths #datascience #ml #dataanalytics

1 year ago - 0:43

How to do exploratory analysis in Python with ProfileReport #python #dataanalysis #dataanalyst

Karina Data Scientist

How to do exploratory analysis in Python with ProfileReport #python #dataanalysis #dataanalyst

10 months ago - 0:53

Merge datasets in #Python #dataanalytics #datascience #pythonprogramming thon

Karina Data Scientist

Merge datasets in #Python #dataanalytics #datascience #pythonprogramming thon

1 year ago - 1:00

What is degrees of freedom in statistics? #stats #statistics #math #datascience #dataanlytics

Karina Data Scientist

What is degrees of freedom in statistics? #stats #statistics #math #datascience #dataanlytics

10 months ago - 1:00

How to open file in Python #dataanalytics #pythonprogramming #python tutorial thon

Karina Data Scientist

How to open file in Python #dataanalytics #pythonprogramming #python tutorial thon

11 months ago - 1:00

Correlation in #statistics #stats #maths #datascience #dataanalytics #ml

Karina Data Scientist

Correlation in #statistics #stats #maths #datascience #dataanalytics #ml

1 year ago - 1:00

How to use .diff in Python #python programming #shorts #python #python tutorial hon

Karina Data Scientist

How to use .diff in Python #python programming #shorts #python #python tutorial hon

8 months ago - 0:56

Learn SQL for free with ChatGPT #chatgpt #sql #ai #dataanalytics #chatgpt4

Karina Data Scientist

Learn SQL for free with ChatGPT #chatgpt #sql #ai #dataanalytics #chatgpt4

9 months ago - 1:01

How to separate data by a delimiter (comma, tab, special character) #excel #exceltips #exceltutorial

Karina Data Scientist

How to separate data by a delimiter (comma, tab, special character) #excel #exceltips #exceltutorial

1 year ago - 0:59

Chi square test in #statistics #stats #maths #dataanalytics #datascience #data #dataanalysis

Karina Data Scientist

Chi square test in #statistics #stats #maths #dataanalytics #datascience #data #dataanalysis

1 year ago - 1:00

Standardization vs normalization of data in statistics #stats #statistics #datascience #maths

Karina Data Scientist

Standardization vs normalization of data in statistics #stats #statistics #datascience #maths

1 year ago - 0:58

Pyforest in Python #python #dataanalysis #datascience #pythonprogramming #pythontutorial #data

Karina Data Scientist

Pyforest in Python #python #dataanalysis #datascience #pythonprogramming #pythontutorial #data

1 year ago - 0:58

R squared in statistics #statistics #stats #rsquared

Karina Data Scientist

R squared in statistics #statistics #stats #rsquared

3 months ago - 1:40

How to generate summary report in Python #python #dataanalytics #datascience #pythonprogramming

Karina Data Scientist

How to generate summary report in Python #python #dataanalytics #datascience #pythonprogramming

10 months ago - 0:58