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## Posts by category

**Category: Article Publication****Category: Assumptions of Linear Regression**- Understanding the Essence of Assumption Testing in Linear Regression Analysis: Prominent Differences between Cross-Sectional Data and Time Series Data
- The data that cannot be transformed using natural logarithm (Ln)
- Understanding Normality Test in Ordinary Least Squares Linear Regression
- Comparing Logistic Regression and Ordinary Least Squares Linear Regression: Key Differences Explained
**How to Calculate Durbin Watson Tests in Excel and Interpret the Results****How to Analyze and Interpret the Durbin-Watson Test for Autocorrelation**- How to Test Linearity Assumption in Linear Regression using Scatter Plot
- Multicollinearity Test and Interpreting the Output in Linear Regression
- Heteroscedasticity Test and How to Interpret the Output in Linear Regression
- How to Test the Normality Assumption in Linear Regression and Interpreting the Output
- Multicollinearity Test using Variance Inflation Factor (VIF) in SPSS
- How to Test the Multicollinearity in Multiple Linear Regression
- Autocorrelation Test on Time Series Data using Linear Regression
- Regression Assumption Test: How and Why to Do?
- Non-Multicollinearity Test in Multiple Linear Regression

**Category: Comparison Test**- Understanding the Difference Between Paired T-Test and Wilcoxon Test in Statistics
- Understanding the t-test for non-normally distributed data
- How to Distinguish Between Paired Sample T-Test and Independent Sample T-Test
- Differences in the use of paired sample t-test and independent sample t-test
**How to test homogeneity of variance in one-way ANOVA**- Paired Sample T-test: Definition, Analysis Stage, and Interpreting the Results
**How to Analyze Paired Sample t-Test and Independent Sample t-Test**- The Effectiveness of the New Learning Method using Paired Sample t-Test
- Comparison of Two Sample Dependent (Paired t-test)

**Category: Correlation Test**- How to Analyze Correlation between Ratio and Ordinal Scale Variables (Different Measurement Scales)
- How to Analyze Correlation of Variables Measured Using Likert Scale
- How to Interpret the Output of Correlation Analysis | Hypothesis Testing, Sign, Size, and Direction
- How to Analyze Pearson Correlation Using Excel
- Correlation Analysis for Variables Measured with a Likert Scale (Ordinal Scale)
- Correlation Test for Ratio Scale Variables
- The Fundamental Differences of Pearson Correlation, Spearman Rank, Kendall tau, and Chi-Square
- How to Compute Spearman Rank Correlation Test

**Category: Data Analysis in R**- Testing and Interpreting Homoscedasticity in Simple Linear Regression with R Studio
- How to Conduct a Normality Test in Simple Linear Regression Analysis Using R Studio and How to Interpret the Results
- Simple Linear Regression Analysis Using R Studio and How to Interpret It
- How to Test for Normality in Linear Regression Analysis Using R Studio
- How to Test Normality of Residuals in Linear Regression and Interpretation in R (Part 4)
- How to Test Heteroscedasticity in Linear Regression and Interpretation in R (Part 3)
- How to Analyze Multicollinearity in Linear Regression and its Interpretation in R (Part 2)
- How to Analyze Multiple Linear Regression and Interpretation in R (Part 1)

**Category: Econometrics**- The Difference Between Simultaneous Equation System Model and Linear Regression Equation
- Can Data Transformation Be Done More Than Once?
- How to Interpret the Coefficient of Determination (R-squared) in Linear Regression Analysis
- Assumptions Required in Multiple Linear Regression Analysis Using Ordinary Least Squares (OLS) Method
- Definition and Purpose of Determining Residual Values in Linear Regression Analysis
- Coefficient of Determination and How to Interpret it in Linear Regression Analysis
- Natural Logarithm Transformation in Cobb-Douglas Regression
- Things to consider if none of the variables has a significant effect (null hypothesis accepted)
- Interpreting the estimation coefficients of dummy variables in linear regression analysis
- If the regression coefficient is negative and significant, how should it be interpreted?
**How to use dummy variables as dependent variables in regression analysis**- How to Calculate Price Elasticity from Linear Regression Equation
- How to Solve Multicollinearity in Multiple Linear Regression with OLS Method
- How to Use Dummy Variables in Linear Regression with Ordinary Least Square Method

**Category: Excel Tutorial for Statistics**- Descriptive Statistics Analysis in Excel: A Step-by-Step Guide for Researcher
- Easy Guide to Finding the Standard Deviation of Research Variables in Excel
- How to Easily Activate Data Analysis Tools in Excel for Statistical Analysis
- How to Convert Data Transformed with Natural Logarithm (Ln) Back to its Original Form
- How to Use Natural Logarithm Transformation in Excel and Interpret the Results
- How to Transform Natural Logarithm (Ln) in Cobb Douglas Regression Analysis using Excel
- How to Transform Natural Logarithm (ln) and Reverse (anti-Ln) in Excel
- Step-by-Step Tutorial: Finding Predicted and Residual Values in Linear Regression with Excel
**How to use data analysis for sampling in Excel****How to Enable Data Analysis Button for t-test in Excel**- How to Analyze Descriptive Statistics using Data Analysis Tool in Excel
- Quantitative data analysis using data analysis toolpak in Excel
- The Best Guide for Optimizing Data Analysis in Excel
- How to Sort the Highest to the Lowest Value in Excel
- How to Activate and Load the Data Analysis Toolpak in Excel

**Category: Multiple Linear Regression**- Understanding the Difference between Residual and Error in Regression Analysis
- Understanding the Importance of the Coefficient of Determination in Linear Regression Analysis
- How to Determine the F-Table Value (F Critical Value) in Excel
- How to Determine the T-table (T critical value) in Excel for Linear Regression Analysis
- Understanding the Difference Between R-squared and Adjusted R-squared in OLS Linear Regression Output
- Choosing the Right Variables in Linear Regression using the OLS Method
- How to Detect Multicollinearity in Multiple Linear Regression Equations Using the OLS Method
- How to Interpret Dummy Variables in Ordinary Least Squares Linear Regression Analysis
- How to Interpret Linear Regression Analysis Output | R Squared, F Statistics, and T Statistics
- How to Interpret Negative Coefficient Estimations in Linear Regression?
**How to Perform Multiple Linear Regression using Data Analysis in Excel****Formula to Calculate Analysis of Variance (ANOVA) in Regression Analysis****How to Find Residual Value in Multiple Linear Regression using Excel****How to Analyze Multiple Linear Regression in Excel and Interpret the Output****How to Calculate the Regression Coefficient of 4 Independent Variables in Multiple Linear Regression****Calculate Coefficients bo, b1, b2, and b3 Manually (3 Independent Variable) in Multiple Linear Regression**- Determining Variance, Standard Error, and T-Statistics in Multiple Linear Regression using Excel
- How to Find ANOVA (Analysis of Variance) Table Manually in Multiple Linear Regression
- Finding Coefficients bo, b1, b2, and R Squared Manually in Multiple Linear Regression
- Multiple Linear Regression Analysis for Time Series Data in Excel
- Multiple Linear Regression Analysis and Interpreting the Output in Excel
- How to Calculate Variance, Standard Error, and T-Value in Multiple Linear Regression
- How to Determine ANOVA Table in Multiple Linear Regression
- How to Find Y Predicted, Residual, and Sum of Squares in Multiple Linear Regression
- How to Determine R Square (Coefficient of determination) in Multiple Linear Regression
- How to Calculate bo, b1, and b2 Coefficient Manually in Multiple Linear Regression
- How to Compute Multiple Linear Regression and Interpreting the Output using SPSS
- How to Calculate a Multiple Linear Regression using Excel

**Category: Nonparametric Statistics**- Reasons why Likert scale variables need to undergo validity and reliability testing
- Binary Logistic Regression Analysis in Research | Basic Theory
- How to Analyze Correlation and Interpret for Variables Measured Using the Likert Scale
- How to Determine Correlation Analysis for Nonparametric Variables
- Descriptive Statistical Analysis of Non-Parametric Variables (Nominal and Ordinal Scales)
- Wilcoxon Test | Different test of two paired samples for non-parametric variables
- Mann-Whitney Test | Different test of two independent samples for non-parametric variables

**Category: Profit Analysis****Category: Regression Tutorial using Excel****Category: Research Methodology**- The Difference Between Simple Random Sampling and Stratified Random Sampling in Survey Research
- Sampling Methods and Statistical Analysis in Survey Research
**How to Generate a Random Sample using Excel****How to Determine Samples Size using Proportionate Stratified Random Sampling**- How to Select Random Sample using Data Analysis in Excel
- How to determine the minimum sample size to be representative
- The Relationship between Research Objectives, Analysis Methods, and Hypothesis Testing
- Choosing Simple Random Sampling in Conducting Research

**Category: Simple Linear Regression**- Tutorial on How to Calculate Residual Values in Excel
- Simple Linear Regression Analysis in Excel and How to Interpret the Results
- How to Interpret Negative Coefficients of Linear Regression Output
**How to Perform Linear Regression using Data Analysis in Excel****How to Calculate Predicted Y in Linear Regression Equations using Excel**- Calculating Variance, Standard Error, and T-Statistics in Simple Linear Regression
- How to Calculate ANOVA Table Manually in Simple Linear Regression
- Calculate Coefficients bo, b1, and R Squared Manually in Simple Linear Regression
- If the estimated regression coefficient is negative, what does it mean?
- How to Find Variance, Standard Error, and T-Value in Simple Linear Regression
- How to Calculate the Analysis of Variance (ANOVA) Table In Simple Linear Regression
- How to Determine Y Predicted, Residual, and Sum of Squares in Simple Linear Regression
- How to Calculate Coefficient of Determination (R Squared) in Simple Linear Regression
- How to Calculate bo and b1 Coefficient Manually in Simple Linear Regression
- Simple Linear Regression Analysis and Interpreting the Output in SPSS
- How to Calculate Y Predicted and Residual Values in Simple Linear Regression
- The Formula for Calculation of the Determination Coefficient (R Square) Simple Linear Regression
- How to Calculate Coefficients bo and b1 of Simple Linear Regression Manually in Excel
- How to Calculate a Simple Linear Regression using Excel

**Category: Statistics**- Understanding the Essence of the Difference Between Descriptive Statistics and Inferential Statistics in Research
- Can nominal scale data be analyzed using regression analysis?
- Data That Cannot Be Transformed Using Natural Logarithm (Ln)
- Differences Between Paired Sample T-Test, Independent Sample T-Test, and One-Way ANOVA
- Hypothesis Testing: Unveiling Insights in Multiple Linear Regression Analysis
- How to Create Statistical Hypotheses in Linear Regression, Correlation Analysis, and T-test
- How to Choose Regression, Correlation, or Difference Test for Variable Association Analysis
- How to Distinguish Cross-Section Data, Time Series Data, and Panel Data
- Source, Types, and Scale of Data Measurement in Research
- How to Differentiate between Nominal, Ordinal, Interval, and Ratio Data Measurement Scales in Research
**How to use data transformation to address issues with non-normally distributed data****How to Determine T-table and F-table in the linear regression analysis using Excel****How to Find P-Value and T-Distribution Table using Excel****How to Test Hypotheses in Regression Analysis, Correlation, and Difference Tests**- How to Distinguish 0.01, 0.05, and 0.10 Significance Levels in Statistics
- Finding the Best Regression Model Based on R Square
- Difference between Descriptive Statistics and Inferential Statistics for Research Activities
- Understanding the Difference between Parametric and Non-Parametric Statistics
- How to Create and Analyze Variables using a Likert Scale
- How to Find Variance and Standard Deviation in Excel
- How does high variance affect hypothesis testing in linear regression?
- How to Write and Test Statistical Hypotheses in Simple Linear Regression
- How to Reverse Natural Logarithm to Initial Data in Excel
- How to Transform Data into Natural Logarithm (Ln) in Excel
- Create Residual and Y Predicted in Excel
- Nominal, ordinal, interval, and ratio scales | Types of Data Measurement
- Why is Descriptive Statistical Analysis Important?
- Hypothesis Test for Regression and Correlation Analysis
- Difference Among Regression, Correlation, and Comparative Test

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