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

6 votes446 views4 answers
Print in r
R
0 vote198 views1 answer
Significance codes
R
0 vote188 views1 answer
Diff days R lubridate
R
0 vote306 views1 answer
R find n largest
R
3 votes194 views2 answers
Create dataframe or table in r
R
0 vote193 views1 answer
Stacked bar plot r with age groups
R
1 vote200 views1 answer
Size of ticks labels in r ggplot
R
1 vote175 views1 answer
R value statistics
R
0 vote170 views1 answer
R library tidyverse
R
0 vote188 views1 answer
How to enter character string with quotes in r
R