To become proficient in data science, it's important to follow a structured roadmap that covers the key concepts and skills necessary for success in the field. Here's a suggested data science roadmap:

1- Mathematics and Statistics: Develop a strong foundation in mathematics and statistics, including concepts such as linear algebra, calculus, probability theory, and statistical inference. These mathematical principles form the basis for many data science techniques.

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2- Programming Skills: Learn a programming language commonly used in data science, such as Python or R. Gain proficiency in writing code, data manipulation, and basic programming concepts. Familiarize yourself with libraries and packages specific to data science, such as NumPy, Pandas, and scikit-learn in Python, or dplyr and tidyr in R.

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3- Exploratory Data Analysis (EDA): Learn techniques for data cleaning, data preprocessing, and exploratory data analysis. Gain skills in handling missing data, outliers, and data visualization using tools like Matplotlib, Seaborn, or ggplot2.

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4- Machine Learning: Understand the fundamental concepts of machine learning, including supervised learning (classification, regression), unsupervised learning (clustering, dimensionality reduction), and evaluation metrics. Study popular machine learning algorithms like decision trees, random forests, support vector machines (SVM), and neural networks.

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5- Data Visualization: Learn effective data visualization techniques to communicate insights and patterns. Master visualization libraries like Matplotlib, Seaborn, ggplot2, or Tableau. Understand the principles of visual perception and design to create visually appealing and informative visualizations.

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6- Statistical Modeling: Deepen your knowledge of statistical modeling techniques, such as linear regression, logistic regression, time series analysis, and hypothesis testing. Learn how to interpret model results and evaluate model performance.

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7- Feature Engineering: Explore feature engineering techniques to transform and extract meaningful features from raw data. Gain knowledge in feature selection, dimensionality reduction, and creating new features to improve model performance.

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8- Big Data and Distributed Computing: Familiarize yourself with handling big data using frameworks like Apache Hadoop and Apache Spark. Learn distributed computing concepts and how to scale data processing and analysis.

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9- Natural Language Processing (NLP): Understand the basics of NLP and learn techniques for text preprocessing, sentiment analysis, text classification, and language modelling. Explore libraries like NLTK, spaCy, or Transformers.

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10- Deep Learning: Dive into deep learning techniques, including neural networks, convolutional neural networks (CNN), recurrent neural networks (RNN), and deep learning frameworks like TensorFlow or PyTorch.

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11- Data Science Lifecycle and Projects: Gain experience working on end-to-end data science projects, from problem formulation to data collection, analysis, modelling, and deployment. Practice building models, interpreting results, and communicating findings effectively.

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12- Continued Learning and Professional Development: Stay updated with the latest advancements and techniques in data science. Participate in online courses, attend conferences, join data science communities, and read research papers to expand your knowledge and network with peers.

Remember, data science is a vast and evolving field, and the roadmap may vary based on your background, interests, and industry requirements. It's crucial to continuously learn, practice, and stay curious to excel in the field of data science.

Helpful websites 👇

Analytics Vidhya (http://www.analyticsvidhya.com/)
Kaggle Competitions (https://www.kaggle.com/competitions)
Flowing Data (http://flowingdata.com/)

Data Science Roadmap with Free Study Material