xmp01.11 {Devore6} | R Documentation

## data from Example 1.11

### Description

The `xmp01.11` data frame has 48 rows and 1 column of measured bond strengths of glass-fiber-reinforced rebars and concrete.

### Format

This data frame contains the following columns:

strength
  a numeric vector of bond strengths

### Details

Data from a study to develop guidelines for bonding glass-fiber-reinforced rebars to concrete.

### Source

Devore, J. L. (2003) Probability and Statistics for Engineering and the Sciences (6th ed), Duxbury

(1996) "Design recommendations for bond of GFRP rebars to concrete", Journal of Structural Engineering, 247-254.

### Examples

    data(xmp01.11)
    attach(xmp01.11)
    hist(strength, xlab = "Bond strength", col = "lightgray")
    rug(strength)
    hist(log(strength), xlab = "log(bond strength)", col = "lightgray")
    rug(log(strength))
    ## Create a histogram like Fig 1.11, page 20
    hist(strength, breaks = c(2,4,6,8,12,20,30), prob = TRUE,
         col = "lightgray", xlab = "Bond strength")
    rug(strength)
    detach()

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