R: Knock Errors Off Nice Guesses

# Knock Errors Off Nice Guesses

## Documentation for package ‘Keng’ version 2026.3.19

- DESCRIPTION file
- User guides, package vignettes and other documentation
- Package NEWS
- Package README

## Help Pages

assess_coa | Assess course objective achievement
calc_PRE | Calculate PRE from Cohen's f, f_squared, or partial correlation
compare_lm | Compare lm()'s fitted outputs using PRE and R-squared.
cut_r | Cut-off values of Pearson's correlation r with known sample size n.
depress | Depression and Coping
divide | Divide a vector into three groups
pick_dcb | Pick Double Color Balls
pick_sl | Pick Super Lotto numbers
plot.Keng_power | Plot the power against the sample size for the Keng_power class
powered_lm | Compute lm's post-hoc power
powered_r | Compute r's post-hoc power
power_lm | Conduct a priori power analysis, and plan the sample size for regression analysis
power_r | Conduct a priori power analysis, and plan the sample size for r.
print.Keng_power | Print primary but not all contents of the Keng_power class
Scale | Scale a vector
test_r | Test the significance, analyze the power, and plan the sample size for r.