Add p-Values to Correlation Matrix Plot in R (2 Examples) | psych, corrplot & ggcorrplot Packages
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How to draw a correlation
How to draw a correlation plot with p-values in the R programming language. More details: https://statisticsglobe.com/add-p-val...
R code of this video:
set.seed(3673845) # Create example data
x1 ＜- rnorm(1000)
x2 ＜- rnorm(1000) + 0.3 * x1
x3 ＜- runif(1000) - 0.2 * x1 + 0.1 * x2
x4 ＜- rnorm(1000) + 0.03 * x1
data ＜- data.frame(x1, x2, x3, x4)
head(data) # Print head of example data
cor_mat ＜- cor(data) # Correlation matrix of example data
cor_mat # Print correlation matrix
install.packages("psych") # Install psych package
library("psych") # Load psych package
cor_test_mat ＜- corr.test(data)$p # Apply corr.test function
cor_test_mat # Print matrix of p-values
install.packages("corrplot") # Install corrplot package
library("corrplot") # Load corrplot package
corrplot(cor_mat) # Draw corrplot
corrplot(cor_mat, # Draw corrplot with p-values
p.mat = cor_test_mat,
insig = "p-value")
install.packages("ggcorrplot") # Install ggcorrplot package
library("ggcorrplot") # Load ggcorrplot package
ggcorrplot(cor_mat) # Draw ggcorrplot
ggcorrplot(cor_mat, # Draw ggcorrplot with p-values
p.mat = cor_test_mat)
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R code of this video:
set.seed(3673845) # Create example data
x1 ＜- rnorm(1000)
x2 ＜- rnorm(1000) + 0.3 * x1
x3 ＜- runif(1000) - 0.2 * x1 + 0.1 * x2
x4 ＜- rnorm(1000) + 0.03 * x1
data ＜- data.frame(x1, x2, x3, x4)
head(data) # Print head of example data
cor_mat ＜- cor(data) # Correlation matrix of example data
cor_mat # Print correlation matrix
install.packages("psych") # Install psych package
library("psych") # Load psych package
cor_test_mat ＜- corr.test(data)$p # Apply corr.test function
cor_test_mat # Print matrix of p-values
install.packages("corrplot") # Install corrplot package
library("corrplot") # Load corrplot package
corrplot(cor_mat) # Draw corrplot
corrplot(cor_mat, # Draw corrplot with p-values
p.mat = cor_test_mat,
insig = "p-value")
install.packages("ggcorrplot") # Install ggcorrplot package
library("ggcorrplot") # Load ggcorrplot package
ggcorrplot(cor_mat) # Draw ggcorrplot
ggcorrplot(cor_mat, # Draw ggcorrplot with p-values
p.mat = cor_test_mat)
Follow me on Social Media:
Facebook – Statistics Globe Page: Facebook: statisticsglobecom
Facebook – R Programming Group for Discussions & Questions: Facebook: statisticsglobe
Facebook – Python Programming Group for Discussions & Questions: Facebook: statisticsglobepython
LinkedIn – Statistics Globe Page: LinkedIn: statisticsglobe
LinkedIn – R Programming Group for Discussions & Questions: LinkedIn: 12555223
LinkedIn – Python Programming Group for Discussions & Questions: LinkedIn: 12673534
Twitter: Twitter: JoachimSchork
Music by bensound.com
2 سال پیش
در تاریخ 1401/06/14 منتشر شده
است.
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