Data Analysis and Visualization Tutorials

How to Create a Covariance Matrix for R Data Frame

Sep 30, 2024
R-PROGRAMMING

To create a covariance matrix for a data frame in R, you can use the cov() function. A covariance matrix...

1 min Read

How to Create a Graph in R

Sep 30, 2024
R-PROGRAMMING

To plot a graph in R, you can use the plot() function. This function allows you to create a variety...

1 min Read

How to Create a Line Chart in R

Sep 30, 2024
R-PROGRAMMING

To create a line chart in R, you can use the plot() function or the ggplot() function from the ggplot2...

2 min Read

How to Create Frequency Tables in R

Sep 30, 2024
R-PROGRAMMING

To create a frequency table in R, you can use two different methods: the table() function and the dplyr package....

2 min Read

How to Find Outliers in R

Sep 30, 2024
R-PROGRAMMING

There are multiple methods to find outliers in R, but a common method is using the Interquartile Range (IQR). The...

2 min Read

How to Perform Bivariate Analysis in R

Sep 30, 2024
R-PROGRAMMING

Bivariate analysis in R involves analyzing the relationship between two variables. To perform bivariate analysis, you can perform operations like...

2 min Read

How to Use corrplot in R to Create a Correlation Matrix

Sep 30, 2024
R-PROGRAMMING

The corrplot() function is used to plot a correlation matrix in R. This function provides a visual representation of the...

1 min Read

How to Calculate a Trimmed Mean in R

Apr 26, 2024
R-PROGRAMMING

To calculate trimmed mean you can use mean() function with trim argument. A trimmed mean is the mean of a...

2 min Read

How to Calculate Jaccard Similarity in R

Apr 26, 2024
R-PROGRAMMING

To calculate jaccard similarity in R, you can define function for Jaccard Similarity. The Jaccard similarity index measures the similarity...

1 min Read

How to Calculate Sample & Population Variance in R

Apr 26, 2024
R-PROGRAMMING

To calculate sample and population variance in R, you can use var() function and sd() function. The following methods show...

1 min Read

How to Calculate Spearman Rank Correlation in R

Apr 26, 2024
R-PROGRAMMING

To calculate spearman rank correlation in R, you can use cor.test() function with method argument. The following method shows how...

1 min Read

How to Calculate Summary Statistics by Group in R

Apr 26, 2024
R-PROGRAMMING

To calculate summary statistics by group in R, you can use tapply() function or create function manually using group_by() summarise()...

2 min Read