R Under development (unstable) (2024-06-25 r86831 ucrt) -- "Unsuffered Consequences"
Copyright (C) 2024 The R Foundation for Statistical Computing
Platform: x86_64-w64-mingw32/x64

R is free software and comes with ABSOLUTELY NO WARRANTY.
You are welcome to redistribute it under certain conditions.
Type 'license()' or 'licence()' for distribution details.

R is a collaborative project with many contributors.
Type 'contributors()' for more information and
'citation()' on how to cite R or R packages in publications.

Type 'demo()' for some demos, 'help()' for on-line help, or
'help.start()' for an HTML browser interface to help.
Type 'q()' to quit R.

> library(foreign)
> ex1.51 <- read.mtp("ex1-51.mtp")
> summary(ex1.51)
        Length Class  Mode   
control 26     -none- numeric
seeded  26     -none- numeric
> str(ex1.51)
List of 2
 $ control: num [1:26] 1203 830 372 346 321 ...
 $ seeded : num [1:26] 2746 1698 1656 978 703 ...
> ex1.51 <- data.frame(ex1.51)
> summary(ex1.51)
    control            seeded       
 Min.   :   1.00   Min.   :   4.10  
 1st Qu.:  24.82   1st Qu.:  98.12  
 Median :  44.20   Median : 221.60  
 Mean   : 164.59   Mean   : 441.98  
 3rd Qu.: 159.20   3rd Qu.: 406.02  
 Max.   :1202.60   Max.   :2745.60  
> q()
> proc.time()
   user  system elapsed 
   0.15    0.09    0.23