Data of frijol under 4 technologies for the homogeneity of regression study. Yield of Frijol in kg/ha in clean and dry grain.

Tecnnologies: 20-40-20 kg/ha. N. P2O5 and K2O + 2 t/ha of gallinaza. 40-80-40 kg/ha. N. P2O5 and K2O + 2 t/ha of gallinaza. 60-120-60 kg/ha. N. P2O5 and K2O + 2 t/ha of gallinaza. 40-80-40 kg/ha. N. P2O5 and K2O + 4 t/ha of gallinaza.

data(frijol)

Format

A data.frame with 84 observations on the following 3 variables.

@details

  • technology a factor with levels a, b, c, and d

  • production production

  • index index

References

Oriente antioqueno (1972) (ICA.- Orlando Martinez W.) Colombia.

Examples

library(agricolae) data(frijol) str(frijol)
#> 'data.frame': 84 obs. of 3 variables: #> $ technology: Factor w/ 4 levels "a","b","c","d": 1 1 1 1 1 1 1 1 1 1 ... #> $ production: int 1036 364 1019 447 1532 1161 1309 834 729 749 ... #> $ index : num 975 310 1041 569 1380 ...