Veri Analizi Eğitimleri

Verilerinizi daha etkili biçimde analiz etmek için kullanabileceğiniz en güncel araçlar ve yöntemler hakkında içgörüler edinin. Veri analizi eğitimlerimiz becerilerinizi geliştirmenize yardımcı olacak.

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How to Do a VLOOKUP() with Multiple Criteria

Master the art of using VLOOKUP() with multiple criteria in Excel. Explore advanced techniques like helper columns and the CHOOSE() function.

7 Ağustos 2024

Understanding the SQL DECODE() Function

Learn how to use DECODE() in Oracle for conditional logic in data transformation. Compare DECODE() to the CASE WHEN statement in performance and behavior.

6 Ağustos 2024

Python Dictionary Append: How to Add Key-Value Pairs

Learn how to append key-value pairs in a Python dictionary using methods such as square bracket notation, .update() for bulk additions, and .setdefault() for conditional inserts.

6 Ağustos 2024

How to Calculate Standard Deviation in Excel

To calculate standard deviation in Excel, enter your data into a range of cells and use either =STDEV.S() for sample data or =STDEV.P() for population data.

23 Aralık 2025

How to Remove an Item from a List in Python

Understand how to remove items from a list in Python. Familiarize yourself with methods like remove(), pop(), and del for list management.

1 Ağustos 2024

How to Use the Python pop() Method

Learn how to use Python's pop() method to remove elements from lists and dictionaries, including how to remove items while iterating. Learn to avoid common errors like IndexError and KeyError.

31 Temmuz 2024

How to Use SQL PIVOT

Enhance your SQL skills with the SQL PIVOT operator. Learn to convert rows into columns to create pivot tables in SQL Server and Oracle.

26 Temmuz 2024

SQL SUM() Function Explained

Discover the power of the SQL SUM() function for data aggregation. Learn how to implement rolling sums, cumulative sums, and sum multiple columns effectively.

15 Ağustos 2024

How to Round Up a Number in Python

Discover three straightforward techniques to round up numbers in Python: using math.ceil() from the math module, using the decimal module, and NumPy.

22 Temmuz 2024

UNION vs UNION ALL in SQL

Discover the output and performance differences between UNION and UNION ALL: UNION removes duplicates while UNION ALL includes them.

15 Ocak 2026

How to Combine VLOOKUP() with IF() in Excel

Combine VLOOKUP() with IF() for efficient data analysis, including conditional lookups, error handling, and dynamic column indexing.

18 Temmuz 2024

Rank Formula in Excel: A Comprehensive Guide With Examples

Learn how to rank data in Excel with RANK(), RANK.EQ(), and RANK.AVG() functions. Understand their differences, applications, and tips for accurate data analysis.

16 Temmuz 2024