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Data Scientist Job Description – What Companies Look For in 2025

Pickl AI

Exploratory Data Analysis (EDA): Identifying trends, patterns, and anomalies using statistical tools to understand data characteristics and inform modeling strategies. SQL remains crucial for database querying, especially given India’s large IT services ecosystem. Visualization: Tableau, Power BI, Matplotlib, Seaborn.

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Turn the face of your business from chaos to clarity

Dataconomy

Exploratory data analysis (EDA) Before preprocessing data, conducting exploratory data analysis is crucial to understand the dataset’s characteristics, identify patterns, detect outliers, and validate missing values. EDA provides insights into the data distribution and informs the selection of appropriate preprocessing techniques.

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The Data Dilemma: Exploring the Key Differences Between Data Science and Data Engineering

Pickl AI

With expertise in programming languages like Python , Java , SQL, and knowledge of big data technologies like Hadoop and Spark, data engineers optimize pipelines for data scientists and analysts to access valuable insights efficiently. Excel, Tableau, Power BI, SQL Server, MySQL, Google Analytics, etc.

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

Pickl AI

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