German {BSDA} | R Documentation |
Number of errors in copying a German passage before and after an experimental course in German
Description
Data for Exercise 7.60
Usage
German
Format
A data frame/tibble with ten observations on three variables
- student
a character variable indicating student number
- when
a character variable with values
Before
andAfter
to indicate when the student received experimental instruction in German- errors
the number of errors in copying a German passage
References
Kitchens, L. J. (2003) Basic Statistics and Data Analysis. Pacific Grove, CA: Brooks/Cole, a division of Thomson Learning.
Examples
## Not run:
tidyr::spread(German, when, errors) -> GermanWide
t.test(Pair(After, Before) ~ 1, data = GermanWide)
wilcox.test(Pair(After, Before) ~ 1, data = GermanWide)
T8 <- tidyr::spread(German, when, errors) %>%
mutate(di = After - Before, adi = abs(di), rk = rank(adi), srk = sign(di)*rk)
T8
qqnorm(T8$di)
qqline(T8$di)
t.test(T8$srk)
## End(Not run)
[Package BSDA version 1.2.2 Index]