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Data on lymph nodes removed from 844 cancer patients, from Figure 6.3.

Format

A data frame with 844 rows and 2 variables:

n

Number of lymph nodes removed

x

Number of nodes found to be positive (malignant)

References

Efron, B. and Hastie, T. (2016). Computer Age Statistical Inference. Cambridge University Press, Figure 6.3.

Examples

data(nodes)
str(nodes)
#> 'data.frame':	844 obs. of  2 variables:
#>  $ n: int  26 14 34 25 23 30 32 45 8 19 ...
#>  $ x: int  0 14 3 2 5 2 7 0 2 0 ...