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Roy Jafari
Roy Jafari
Roy Jafari
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I provide content to learn Data Analytics and Data preparation using Python. Every other Wednesday at 7:30 PM PST, I will release a new video.
p_value: Learn how to interpret it once and for all
8:03
p_value: Learn how to interpret it once and for all
Год назад
The interaction between Business Understanding & Data Understanding in CRISP-DM | With a Case Study
9:44
The interaction between Business Understanding & Data Understanding in CRISP-DM | With a Case Study
Год назад
String vs. Category - Choosing the right data type to optimize data processing code
17:46
String vs. Category - Choosing the right data type to optimize data processing code
Год назад
Recursive function or iterations? What is recursion?
16:51
Recursive function or iterations? What is recursion?
Год назад
What is data science? (Short comedy)
2:21
What is data science? (Short comedy)
Год назад
Why maping a function is better than iterations (loops) for data processing?
12:29
Why maping a function is better than iterations (loops) for data processing?
Год назад
Data Integration Example 3 - Data Redundancy
13:38
Data Integration Example 3 - Data Redundancy
Год назад
Dijkstra's Algorithm - Visual explanation of how the algorithm solves the shortest path problem
14:10
Dijkstra's Algorithm - Visual explanation of how the algorithm solves the shortest path problem
Год назад
Data Integration Example 2 - Aggregation Mismatch
7:45
Data Integration Example 2 - Aggregation Mismatch
Год назад
Data Understanding stage of CRISP-DM with a case study
24:55
Data Understanding stage of CRISP-DM with a case study
Год назад
Data Integration Example 1 - Entity Identification Challenge
11:09
Data Integration Example 1 - Entity Identification Challenge
Год назад
Business Understanding of CRISP-DM - Case Study: Credit Card Fraud Detection
12:46
Business Understanding of CRISP-DM - Case Study: Credit Card Fraud Detection
Год назад
Data Cleaning Example 7 - Detecting, Diagnosing, and Dealing with Outliers
19:03
Data Cleaning Example 7 - Detecting, Diagnosing, and Dealing with Outliers
Год назад
What is CRISP DM? CRoss-Industry Standard Process for Data Mining
9:34
What is CRISP DM? CRoss-Industry Standard Process for Data Mining
Год назад
Data Cleaning Example 6 - Detecting, Diagnosing, and Dealing with Outliers
17:08
Data Cleaning Example 6 - Detecting, Diagnosing, and Dealing with Outliers
Год назад
What is big data & strategies to deal with it
9:39
What is big data & strategies to deal with it
Год назад
Data Cleaning Example 5 - Detecting, Diagnosing, and Dealing with missing values
21:06
Data Cleaning Example 5 - Detecting, Diagnosing, and Dealing with missing values
Год назад
Data - What is it really?
7:46
Data - What is it really?
Год назад
Data Cleaning Example - Detecting, Diagnosing and Dealing with missing values
28:50
Data Cleaning Example - Detecting, Diagnosing and Dealing with missing values
Год назад
Pandas DataFrame MultiLevel Index and Column | Optimize Data Processing
33:42
Pandas DataFrame MultiLevel Index and Column | Optimize Data Processing
Год назад
Data Cleaning Example 3 - Detect and Deal with Errors
11:03
Data Cleaning Example 3 - Detect and Deal with Errors
Год назад
Deep Learning Prediction via Keras and Tensorflow
33:31
Deep Learning Prediction via Keras and Tensorflow
2 года назад
Data Cleaning Example - Unwise Data Collection
15:50
Data Cleaning Example - Unwise Data Collection
2 года назад
Model vs Solver | Model and solve a linear classification problem
43:18
Model vs Solver | Model and solve a linear classification problem
2 года назад
Access Databases using a Curated API
12:23
Access Databases using a Curated API
2 года назад
Connecting to SQL Database using Python
9:02
Connecting to SQL Database using Python
2 года назад
Gradient Descent with an Example
19:11
Gradient Descent with an Example
2 года назад
More SQL exercise and practices | Larger Database
24:30
More SQL exercise and practices | Larger Database
2 года назад
Code optimization with Pandas Merge function
24:51
Code optimization with Pandas Merge function
2 года назад
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