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

0 vote358 views1 answer
Not displaying prints and on.exit in r
R
-1 vote361 views1 answer
Legend in R
R
0 vote314 views1 answer
Change to posixct in r
R
0 vote349 views1 answer
R difference | and ||
R
0 vote394 views1 answer
R make column of rownames
R
0 vote355 views1 answer
Ggplot: boxplot with trendline
R
3 votes385 views2 answers
R random number
R
0 vote368 views1 answer
Add column value based on row index r
R
-1 vote355 views2 answers
Export csv file in r
R
0 vote360 views1 answer
Remove , in numbers in r
R