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 vote183 views1 answer
Ggplot: boxplot with trendline
R
-1 vote176 views1 answer
Legend in R
R
0 vote243 views1 answer
Linear model remove variables in R
R
0 vote175 views5 answers
Vlookup in r dplyr
R
1 vote169 views1 answer
How to count the true values in r
R
1 vote177 views2 answers
Create a dataframe with column names in r
R
0 vote161 views1 answer
Summary metrics of confusion matrix
R
1 vote166 views1 answer
Select all columns except one by name in r
R
0 vote161 views1 answer
How to get the r2 value in r
R
0 vote198 views1 answer
Print string without quotes and escape sequence r
R