Exam2.1 {eda4treeR}R Documentation

Example 2.1 from Experimental Design & Analysis for Tree Improvement

Description

Exam2.1 is used to compare two seed lots by using single factor ANOVA.

Author(s)

  1. Muhammad Yaseen (myaseen208@gmail.com)

  2. Sami Ullah (samiullahuos@gmail.com)

References

  1. Williams, E.R., Matheson, A.C. and Harwood, C.E. (2002).Experimental Design and Analysis for Tree Improvement. CSIRO Publishing.

See Also

DataExam2.1

Examples

data(DataExam2.1)
library(tidyverse)
fmtab2.3  <-
  lm(
  formula     = dbh ~ SeedLot
, data        = DataExam2.1
# , subset
# , weights
# , na.action
, method      = "qr"
, model       = TRUE
, x           = FALSE
, y           = FALSE
, qr          = TRUE
, singular.ok = TRUE
, contrasts   = NULL
)

anova(fmtab2.3)

DataExam2.1 %>%
  dplyr::group_by(SeedLot) %>%
  dplyr::summarize(Mean = mean(dbh), SD = sd(dbh))

[Package eda4treeR version 0.3.0 Index]