Welcome to On Statistics
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Navigating Market Maze Magic with The Efficient Market Hypothesis
Imagine a stock market where prices instantly reflect all available information, making it impossible to consistently “beat the market.” This is the core proposition of the Efficient Market Hypothesis (EMH), a fascinating and controversial theory in finance. Today, we’ll delve into its core ideas, explore its implications, and examine the ongoing debate surrounding its validity….
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Rock, Paper, Scissors: The Amazing Anomaly of Non-Transitive Data
Our understanding of the world relies heavily on relationships between things. We say a mountain is taller than a hill, a parent loves their child, and one concept leads to another. These connections, often expressed through verbs like “less than,” “loves,” and “leads to,” are transitive in nature. This means if A is connected to…
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Tutorial: Creating a Linear Regression in Python
This tutorial guides you through building a linear regression model in Python, covering importing libraries, loading data, fitting the model, and interpreting results. 1. Import Libraries 2. Load Data Replace with your actual data source: sepal length (cm) sepal width (cm) petal length (cm) petal width (cm) predicted_y species 0 5.1 3.5 1.4 0.2 3.503062…
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How to Use One-Way ANOVA in Python with the Iris Dataset
This tutorial demonstrates how to perform a one-way ANOVA in Python using the sklearn.feature_selection.f_classif function from the scikit-learn library. We’ll work with the iris dataset included in scikit-learn for an example. Importing Libraries: Loading the Iris Dataset: One-Way ANOVA with scikit-learn: Explanation: Interpreting Results: In this example, the f_statistic and p_value will depend on the…
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Your Encryption Toolkit: Knowledge for Safeguarding Your Digital Life
In our information-driven world, safeguarding your digital footprint is crucial. Encryption stands as your invisible guardian, transforming data into scrambled code only authorized individuals can access. But how do you wield this powerful tool in your daily life? Let’s equip you with the knowledge and best practices to build your own encryption toolkit! Building Strong…
