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  1. I <- c("10.0_8.04", "8.0_6.95", "13.0_7.58", "9.0_8.81", "11.0_8.33",
  2.          "14.0_9.96", "6.0_7.24", "4.0_4.26", "12.0_10.84", "7.0_4.82",
  3.          "5.0_5.68")
  4. II <- c("10.0_9.14", "8.0_8.14", "13.0_8.74", "9.0_8.77", "11.0_9.26",
  5.          "14.0_8.10", "6.0_6.13", "4.0_3.10", "12.0_9.13", "7.0_7.26",
  6.          "5.0_4.74")
  7. III <- c("10.0_7.46", "8.0_6.77", "13.0_12.74", "9.0_7.11", "11.0_7.81",
  8.          "14.0_8.84", "6.0_6.08", "4.0_5.39", "12.0_8.15", "7.0_6.42",
  9.          "5.0_5.73")
  10. IV <- c("8.0_6.58", "8.0_5.76", "8.0_7.71", "8.0_8.84", "8.0_8.47",
  11.          "8.0_7.04", "8.0_5.25", "19.0_12.50", "8.0_5.56", "8.0_7.91",
  12.          "8.0_6.89")
  13. DF <- data.frame(I, II, III, IV)
  14.  
  15. boxplot(DF)
Runtime error #stdin #stdout #stderr 0.31s 22832KB
comments (?)
stdin 
Standard input is empty
stdout 
Standard output is empty
stderr 
Error in oldClass(stats) <- cl : 
  adding class "factor" to an invalid object
Calls: boxplot -> boxplot.default
Execution halted
https://ideone.com/QV6gjM
language:
R (R 3.5.2)
created:
11 years ago
visibility:
public

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