Summary Statistics of Data Frame in R (4 Examples) | Calculate Descriptive Metrics | Mean, Max & Sum
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How to calculate summary statistics
How to calculate summary statistics for the columns of a data frame in the R programming language. More details: https://statisticsglobe.com/summary-s...
R code of this video:
set.seed(926436) # Create example data frame
data <- data.frame(x1 = rnorm(100),
x2 = runif(100),
x3 = LETTERS[1:4])
mean(data$x1) # Calculate mean of one column
max(data$x1) # Calculate maximum of one column
sum(data$x1) # Calculate sum of one column
apply(data, 2, max) # Calculate maxima of all columns
summary(data) # Calculate summary statistics table
aggregate(x1 ~ x3, data, var) # Calculate variance by group
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R code of this video:
set.seed(926436) # Create example data frame
data <- data.frame(x1 = rnorm(100),
x2 = runif(100),
x3 = LETTERS[1:4])
mean(data$x1) # Calculate mean of one column
max(data$x1) # Calculate maximum of one column
sum(data$x1) # Calculate sum of one column
apply(data, 2, max) # Calculate maxima of all columns
summary(data) # Calculate summary statistics table
aggregate(x1 ~ x3, data, var) # Calculate variance by group
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 1401/07/16 منتشر شده
است.
939
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