ODSC - Open Data Science

APRIL 15, 2025

When deadlines are tight, fluency with data manipulation tools (like Pandas or SQL) keeps youagile. Evaluation also includes error analysis and cross-validation to understand what your model doesnt dowell. The right transformations directly affect model accuracy. Fast iteration. Its not just about performanceits abouttrust.

Data Wrangling 52

Data Wrangling Data Science AI AI 52

phData

MAY 24, 2024

In this blog, we’ll explain Cortex, how its features can be used with simple SQL, and how it can help you make better business decisions. However, it is done all within SQL commands. Snowflake Copilot Within Cortex, Copilot is an LLM-powered assistant that works alongside your data analysts to help analyze data and build SQL queries.

SQL 52

SQL ML ML Machine Learning 52

AWS Machine Learning Blog

OCTOBER 3, 2024

Tedious data engineering tasks like pulling data into the environment and database infrastructure costs were eliminated by securely storing their vast amount of customer-related datasets within Amazon Simple Storage Service (Amazon S3) and using Amazon Athena to directly query the data using SQL.

Data Science 91

Data Science AWS Machine Learning Machine Learning 91

Pickl AI

FEBRUARY 12, 2024

Here are some key areas often assessed: Programming Proficiency Candidates are often tested on their proficiency in languages such as Python, R, and SQL, with a focus on data manipulation, analysis, and visualization. What is cross-validation, and why is it used in Machine Learning?

Data Science 52

Data Science Cross Validation Machine Learning Machine Learning 52

Pickl AI

FEBRUARY 4, 2024

Unlike SQL, Alteryx offers a visually intuitive approach, allowing users to focus on analysis without being encumbered by technical intricacies. Users can effortlessly extract data from sources like SQL Server, Excel, Tableau, and even social media platforms. Alteryx’s core features 1.

Data Preparation 52

Data Preparation Tableau Data Visualization Analytics 52

Pickl AI

APRIL 26, 2024

It covers essential topics such as SQL queries, data visualization, statistical analysis, machine learning concepts, and data manipulation techniques. Key Takeaways SQL Mastery: Understand SQL’s importance, join tables, and distinguish between SELECT and SELECT DISTINCT. How do you join tables in SQL?

Data Analyst 52

Data Analyst Data Analysis Data Analysis Machine Learning 52

Heartbeat

OCTOBER 31, 2023

Cross-validation is recommended as best practice to provide reliable results because of this. Output: We can observe a rise in model performance from 82.2% by iterating through various settings for the number of estimators. In this instance, we observe a 13.3% improvement in wine type identification precision.

Decision Trees 52

Decision Trees Deep Learning Deep Learning Cross Validation 52