Bootstrap in r

How to bootstrap in r

# Import libaries
library(boot)

# Create sample dataframe
set.seed(1)
x <- rnorm(1000, sd=10)
y <- rnorm(1000, sd=1)
df <- data.frame(x,y)

# Create function to pass to boot()
calc_mean = function(data, index){
  mean_x <- mean(df$x[index]) 
  return(mean_x)
}

boot(df$x, calc_mean, R=1000)

Source: stackoverflow.com

How to bootstrap in r

library(boot)

boot_returns <- function(data, indices){
  d <- data[indices]
  Return.calculate(d, method="log")
}

bret <- boot(end_eq, boot_returns, R=1000)

dim(bret$t)
bretMeans <- colMeans(bret$t, na.rm = TRUE)

Source: stackoverflow.com

Similar codes

2 votes437 views1 answer
Random integer in r
R
0 vote375 views1 answer
Get string without ending in R
R
0 vote396 views1 answer
R yardstick confusion matrix
R
0 vote436 views2 answers
Count r
R
0 vote417 views1 answer
R ggplot hide one legend group from multiple legends
R
0 vote414 views1 answer
Remove the colour name from ggplot
R
0 vote356 views2 answers
Write text r
R
0 vote456 views1 answer
Open xlsx with r
R
1 vote406 views1 answer
Convert datetime from string r
R
0 vote406 views1 answer
Libpath r
R