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Collection of Guides on Mastering SQL, Python, Data Cleaning, Data Wrangling, and Exploratory Data Analysis

KDnuggets

Are you curious about what it takes to become a professional data scientist? By following these guides, you can transform yourself into a skilled data scientist and unlock endless career opportunities. Look no further!

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Journeying into the realms of ML engineers and data scientists

Dataconomy

They employ statistical and mathematical techniques to uncover patterns, trends, and relationships within the data. Data scientists possess a deep understanding of statistical modeling, data visualization, and exploratory data analysis to derive actionable insights and drive business decisions.

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Life of modern-day alchemists: What does a data scientist do?

Dataconomy

” The answer: they craft predictive models that illuminate the future ( Image credit ) Data collection and cleaning : Data scientists kick off their journey by embarking on a digital excavation, unearthing raw data from the digital landscape. Interprets data to uncover actionable insights guiding business decisions.

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Turn the face of your business from chaos to clarity

Dataconomy

Data scientists must decide on appropriate strategies to handle missing values, such as imputation with mean or median values or removing instances with missing data. The choice of approach depends on the impact of missing data on the overall dataset and the specific analysis or model being used.

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Accelerate time to business insights with the Amazon SageMaker Data Wrangler direct connection to Snowflake

AWS Machine Learning Blog

Amazon SageMaker Data Wrangler is a single visual interface that reduces the time required to prepare data and perform feature engineering from weeks to minutes with the ability to select and clean data, create features, and automate data preparation in machine learning (ML) workflows without writing any code.

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Retail & CPG Questions phData Can Answer with Data

phData

Data engineers can prepare the data by removing duplicates, dealing with outliers, standardizing data types and precision between data sets, and joining data sets together. Using this cleaned data, our machine learning engineers can develop models to be trained and used to predict metrics such as sales.

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Data Analysis vs. Data Visualization – More Than Just Pretty Charts

Pickl AI

It involves handling missing values, correcting errors, removing duplicates, standardizing formats, and structuring data for analysis. Exploratory Data Analysis (EDA): Using statistical summaries and initial visualisations (yes, visualisation plays a role within analysis!) EDA: Calculate overall churn rate.