Statistics calculators

I've come across a useful website which has some free to use statistics calculators. These are very powerful tools. I've added a link to the recommended pages from this site (the link is also included at the end of this post).

These are the different types of calculators available:


ANALYSIS OF VARIANCE (ANOVA)

• Intraclass Correlation Calculator for ANOVA
• One-Way ANOVA Calculator (From Summary Data)

BETA FUNCTION

• Beta Function Calculator
• Incomplete Beta Function Calculator
• Regularized Incomplete Beta Function Calculator

CHI SQUARE DISTRIBUTION

• Chi-Square Calculator
• p-Value Calculator (Chi-Square test)

CONFIDENCE INTERVALS

• Confidence Interval Calculator (R-Square)
• Confidence Interval Calculator (Regression Coefficient)
• Confidence Interval Calculator (Regression Intercept)

CORRELATIONS

• Correlation Coefficient Calculator (from Covariance)
• Significance of Correlation Coefficient Calculator

COVARIANCES

• Covariance Value Calculator (from Correlation Coefficient)

CUMULATIVE DISTRIBUTION FUNCTION (CDF)

• CDF Calculator - Fisher F Distribution
• CDF Calculator - Noncentral F Distribution
• CDF Calculator - Normal Distribution
• CDF Calculator - Standard Normal Distribution
• CDF Calculator - Student's t-Distribution

EFFECT SIZE

• Effect Size Calculator (Hierarchical Multiple Regression)
• Effect Size Calculator (Multiple Regression)
• Effect Size Calculator (Student's t-Test)

ERROR FUNCTION

• Complementary Error Function Calculator
• Error Function Calculator

FISHER F-DISTRIBUTION

• Critical-F Calculator
• Cumulative Distribution Function Calculator (Fisher F Distribution)
• Fisher F Calculator (Hierarchical Multiple Regression)
• Fisher F Calculator (Multiple Regression)
• Cumulative Distribution Function Calculator (Noncentral F-distribution)
• p-Value Calculator (Fisher F-test)
• Probability Density Function Calculator (Fisher F Distribution)

GAMMA FUNCTION

• Gamma Function Calculator
• Incomplete Gamma Function Calculator
• Incomplete Gamma Function Calculator (Complemented)
• Incomplete Gamma Function Calculator (Lower Limit of Integration)
• Incomplete Gamma Function Calculator (Upper Limit of Integration)

GAUSSIAN (NORMAL) DISTRIBUTION

• Area Under the Standard Normal Curve Calculator (Cumulative)
• Area Under the Standard Normal Curve Calculator (One-Tailed)
• Area Under the Standard Normal Curve Calculator (Two-Tailed)
• Cumulative Distribution Function (CDF) Calculator for the Normal Distribution
• Cumulative Distribution Function (CDF) Calculator for the Standard Normal Distribution
• Probability Density Function (PDF) Calculator for the Normal Distribution
• Probability Density Function (PDF) Calculator for the Standard Normal Distribution
• Standard Normal Curve Z-Score Calculator

HIERARCHICAL MULTIPLE REGRESSION

• A-priori Sample Size Calculator (Hierarchical Multiple Regression)
• Beta (Type II Error Rate) Calculator (Hierarchical Multiple Regression)
• Effect Size Calculator (Hierarchical Multiple Regression)
• Fisher F Calculator (Hierarchical Multiple Regression)
• Post-hoc Statistical Power Calculator (Hierarchical Multiple Regression)

MEDIATION MODELS

• Indirect Effect Calculator (Mediation Model)
• Sobel Test Calculator (Significance of Mediation)

MISCELLANEOUS

• Adjusted R² Calculator (Population R-Square)
• Fisher's Exact Test Calculator (2 x 2 Contingency Table)
• Z-Score Calculator (Standard Score)

MULTIPLE REGRESSION

• A-priori Sample Size Calculator (Multiple Regression)
• Adjusted R² Calculator (Population R-Square)
• Beta (Type II Error Rate) Calculator (Multiple Regression)
• Confidence Interval Calculator (R-Square)
• Confidence Interval Calculator (Regression Coefficient)
• Confidence Interval Calculator (Regression Intercept)
• Effect Size Calculator (Multiple Regression)
• Fisher F Calculator (Multiple Regression)
• Post-hoc Statistical Power Calculator (Multiple Regression)

PROBABILITY

• p-Value Calculator (Chi-Square test)
• p-Value Calculator (Correlation Coefficient)
• p-Value Calculator (Fisher F-test)
• p-Value Calculator (Fisher's Exact Test)
• p-Value Calculator (Normal Curve - Cumulative)
• p-Value Calculator (Normal Curve - One-Tailed)
• p-Value Calculator (Normal Curve - Two-Tailed)
• p-Value Calculator (Significance of Mediation)
• p-Value Calculator (Student's t-Test)

PROBABILITY DENSITY FUNCTION (PDF)

• PDF Calculator - Fisher F-Distribution
• PDF Calculator - Normal Distribution
• PDF Calculator - Standard Normal Distribution
• PDF Calculator - Student's t-Distribution

SAMPLE SIZE

• A-priori Sample Size Calculator (Hierarchical Multiple Regression)
• A-priori Sample Size Calculator (Multiple Regression)
• A-priori Sample Size Calculator (Student's t-Test)

STATISTICAL POWER

• Post-hoc Statistical Power Calculator (Hierarchical Multiple Regression)
• Post-hoc Statistical Power Calculator (Multiple Regression)
• Post-hoc Statistical Power Calculator (Student's t-Test)

STUDENT'S T-DISTRIBUTION

• A-priori Sample Size Calculator (Student's t-Test)
• Beta (Type II Error Rate) Calculator (Student's t-Test)
• Cumulative Distribution Function Calculator (Student's t-Distribution)
• Effect Size Calculator (Student's t-Test)
• p-Value Calculator (Student's t-Test)
• Post-hoc Statistical Power Calculator (Student's t-Test)
• Probability Density Function Calculator (Student's t-Distribution)
• Student's t Calculator

The website link is: Statistics calculators

Posted by: Tim Sandle

intercept calculator