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 vote356 views1 answer
R - remove scientific notations
R
0 vote353 views1 answer
Add another 'color' condition to jitter with ggboxplot
R
1 vote284 views1 answer
Principal component analysis in r
R
3 votes353 views2 answers
Find average in r
R
0 vote296 views4 answers
Convert first row to header in r
R
-1 vote235 views1 answer
How to take the mean of a row in r
R
0 vote273 views1 answer
How to remove duplicates based on the combinations of two columns r
R
1 vote299 views1 answer
R regress one variable on all the other variables
R
0 vote300 views3 answers
R alluvial chart with NA
R
0 vote307 views1 answer
R - reorder columns in data frame
R