Codes for generating hypothesis tests.^[See childRmd/_15hypothesisTests.Rmd
file for other codes]
dlookr::normality(carseats) dlookr::normality(carseats, Sales, CompPrice, Income) dlookr::normality(carseats, Sales:Income) dlookr::normality(carseats, -(Sales:Income)) carseats %>% dlookr::normality() %>% dplyr::filter(p_value <= 0.01) %>% arrange(abs(p_value)) carseats %>% group_by(ShelveLoc, US) %>% dlookr::normality(Income) %>% arrange(desc(p_value)) carseats %>% mutate(log_income = log(Income)) %>% group_by(ShelveLoc, US) %>% dlookr::normality(log_income) %>% dplyr::filter(p_value > 0.01)
dlookr::plot_normality(carseats, Sales, CompPrice) carseats %>% dplyr::filter(ShelveLoc == "Good") %>% group_by(US) %>% dlookr::plot_normality(Income)
mytable <- jmv::ttestIS( formula = Age ~ Sex, data = mydata, vars = Age, students = FALSE, mann = TRUE, norm = TRUE, meanDiff = TRUE, desc = TRUE, plots = TRUE)
cat("<pre class='jamovitable'>") print(jtable(mytable$ttest)) cat("</pre>")
categ <- dlookr::target_by(carseats, US) cat_cat <- dlookr::relate(categ, ShelveLoc) cat_cat summary(cat_cat) plot(cat_cat)
## Summary statistics of categorical variables SmartEDA::ExpCatStat( Carseats, Target = "Urban", result = "Stat", clim = 10, nlim = 5, Pclass = "Yes" )
inspectdf::inspect_cat(star_1, star_2)
num <- dlookr::target_by(carseats, Sales) num_num <- dlookr::relate(num, Price) num_num summary(num_num) plot(num_num) plot(num_num, hex_thres = 350)
https://stat.ethz.ch/R-manual/R-devel/library/stats/html/t.test.html
t.test(mtcars$mpg ~ mtcars$am) %>% report::report()
report(t.test(iris$Sepal.Length, iris$Petal.Length))
## Inforamtion value and Odds value SmartEDA::ExpCatStat( Carseats, Target = "Urban", result = "IV", clim = 10, nlim = 5, Pclass = "Yes" )
Frequently Used Statistical Tests^[Statistical Literacy Among Academic Pathologists: A Survey Study to Gauge Knowledge of Frequently Used Statistical Tests Among Trainees and Faculty. Archives of Pathology & Laboratory Medicine: February 2017, Vol. 141, No. 2, pp. 279-287. https://doi.org/10.5858/arpa.2016-0200-OA] by [@Schmidt2017]
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