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Welcome to StatisticsBio7 — your free learning hub for biostatistics, data visualization, and data analysis in biological sciences.

I’m dedicated to creating high-quality tutorials to help students, researchers, and educators worldwide. All content is freely accessible to support open education.

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8:51

Cox Proportional Hazards Regression Explained | MedCalc Tutorial Episode 44

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10:20

Kaplan-Meier Survival Analysis Explained | MedCalc Tutorial Episode 43

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8:04

Frequencies Bar Chart Explained in MedCalc | Tutorial Episode 42

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6:46

Cochran-Mantel-Haenszel Test in MedCalc | Stratified Analysis Explained | Episode 41

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6:57

Relative Risk & Odds Ratio Explained (Biomedical Data Analysis) | MedCalc Tutorial Episode 40

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4:14

Cochran’s Q Test in MedCalc | Biostatistics Explained | Episode 39

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4:38

McNemar Test in MedCalc | Paired Proportion Analysis Explained | Episode 38

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4:42

How to Perform Fisher’s Exact Test in MedCalc | Episode 37

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7:03

Chi-Squared Test in MedCalc | Association Between Categorical Variables | Episode 36

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7:06

Friedman Test in MedCalc | Nonparametric Alternative to Repeated Measures ANOVA | Episode 35

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6:18

Kruskal–Wallis Test in MedCalc | Nonparametric Alternative to One-Way ANOVA | Episode 34

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4:07

Outlier Detection Interpretation in MedCalc | Hemoglobin Data Explained Step-by-Step

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4:25

Cumulative Frequency Distribution Plot Interpretation in MedCalc | Biomedical Data | Episode 6A

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9:47

Interpretation for Simple Linear Regression in MedCalc | Episode 14 (Part 2)

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8:06

Repeated Measures ANOVA in MedCalc | Within-Subjects Analysis Step-by-Step | Episode 33

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6:58

ANCOVA in MedCalc | Analysis of Covariance Explained with Biomedical Example | Episode 32

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8:36

Two-Way ANOVA in MedCalc | Step-by-Step Biomedical Data Analysis | Episode 31

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8:05

One-Way ANOVA in MedCalc | Post Hoc Tests (Tukey-Kramer & Scheffé) | Episode 30

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154 views

6:13

Variance Ratio Test (F-Test) in MedCalc | Compare Two Variances Easily | Episode 29

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8:46

Wilcoxon Paired Test in MedCalc Explained | Nonparametric Test for Before–After Data

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9:12

Mann–Whitney U Test in MedCalc | Independent Samples Nonparametric Test | Episode 27

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7:23

Signed Rank Sum Test (One Sample) in MedCalc | Wilcoxon Nonparametric Test Explained | Episode 26

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8:07

Paired Sample t-Test in MedCalc | Before-After Clinical Data Analysis | Episode 25

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8:06

Independent Samples t-Test in MedCalc | Step-by-Step Tutorial with Biomedical Example

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70 views

6:24

One-Sample t-Test in MedCalc | Step-by-Step Tutorial with Biomedical Dataset | Episode 23

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8:21

Nonlinear Regression in MedCalc | Michaelis–Menten Model Explained Step-by-Step | Episode 22

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8:07

Probit Regression in MedCalc | Dose–Response Analysis Explained (Episode 21)

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105 views

6:58

Logistic Regression in MedCalc | Biomedical Data Analysis Tutorial | Episode 20

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8:25

Multiple Regression in MedCalc | Step-by-Step Tutorial for Medical Research Analysis | Episode 19

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8:30

Quadratic Regression Model in MedCalc | Second-Degree Polynomial Regression | Episode 18

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7:15

Regression Model with Both Variables Log-Transformed (Log-Log Model) in MedCalc | Episode 17

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8:04

Regression Model with Response Log-Transformed in MedCalc | Triglycerides Example | Episode 16

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9:15

Boxplot with Individual Data Points Overlaid in R Studio | ggplot2 Tutorial

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357 views

9:19

Multiple Grouped Box Plot in R Studio | Step-by-Step Tutorial with R Script & Data File

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360 views

4:57

Create Grouped Box Plot in R Studio | Step-by-Step Tutorial with R Script and Data File

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556 views

6:10

Box Plots in R | Create & Customize Boxplots for Data Visualization in RStudio

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559 views

8:19

Log-Transformed Predictor in MedCalc Regression | Episode 15

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11:13

Simple Linear Regression in MedCalc | Step-by-Step Guide with Biomedical Data | Episode 14

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Shared 9 months ago

117 views

7:34

Scatter Diagram in MedCalc | Create & Analyze Medical Data Relationships | Episode 13

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9:16

Rank Correlation in MedCalc | Spearman & Kendall Explained with Biomedical Dataset

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122 views

4:24

Partial Correlation in MedCalc | Control for Variables in Biomedical Data | Episode 11

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8:19

Correlation Coefficient in MedCalc | Biomedical Data Analysis Tutorial | Episode 10

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132 views

5:27

Box and Whisker Plot in MedCalc | Biomedical Data Visualization | Episode 9

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8:22

Dot Plot in MedCalc | Biomedical Data Visualization | Episode 8

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8:14

Normal Distribution Plot in MedCalc | Q-Q Plot | Episode 7

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95 views

10:25

Cumulative Frequency Distribution Plot in MedCalc | Biomedical Example Explained | Episode 6

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5:39

Distribution Plot (Histogram) in MedCalc | Visualize Biomedical Data Distribution | Episode 5

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12:49

Outlier Detection in MedCalc | Identify & Handle Extreme Values in Biomedical Data

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Shared 10 months ago

111 views

8:26

Advanced Summary Statistics in MedCalc | Percentiles, Trimmed Mean, Subgroup Analysis

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Shared 10 months ago

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4:36

Summary Statistics in MedCalc | Mean, SD, SEM, Min–Max & CI – Explained

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Shared 10 months ago

621 views

5:22

Introduction to MedCalc | Interface, Menus, and Data Sheet Overview

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Shared 10 months ago

513 views

8:08

Interpretation of DCA Ordination in Biostatistics | Group Habitat Variance in R

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Shared 10 months ago

357 views

21:45

DCA Ordination in Biostatistics | Grouping Variance Across Habitats Using R

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Shared 10 months ago

231 views

8:09

Interpretation of Survival Analysis in R | Kaplan-Meier, Log-Rank Test & Cox Model Explained

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Shared 10 months ago

181 views

8:45

Survival Analysis in Biostatistics | Kaplan-Meier & Cox Model in R Studio

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Shared 10 months ago

415 views

10:05

Ecological Diversity Indices in R | Shannon, Simpson & More with Full R Code

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Shared 10 months ago

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8:23

Time Series Regression in R Studio | Step-by-Step Tutorial with Full R Code

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Shared 11 months ago

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11:06

Time Series Analysis in R Studio | Step-by-Step Tutorial

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Shared 11 months ago

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5:43

How to Calculate Correlation Coefficient (r) in R Studio | Scatter Plot Visualization Tutorial

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Shared 11 months ago

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12:37

Interpretation of Confirmatory Factor Analysis (CFA) Results in R Studio | CFA in R Explained

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