basic_stats 1.0.0

Lightweight library with basic statistical estimators and hypothesis tests.
Documentation 
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WELCH
-----

> sample1 <- c(14, 15, 15, 15, 16, 18, 22, 23, 24, 25, 25)
> sample2 <- c(10, 12, 14, 15, 18, 22, 24, 27, 31, 33, 34, 34, 34)

> t.test(sample1, sample2)

	Welch Two Sample t-test

data:  sample1 and sample2
t = -1.5379, df = 18.137, p-value = 0.1413
alternative hypothesis: true difference in means is not equal to 0
95 percent confidence interval:
 -10.453875   1.614714
sample estimates:
mean of x mean of y 
 19.27273  23.69231 

> t.test(sample1, sample2, alternative = 'greater')

	Welch Two Sample t-test

data:  sample1 and sample2
t = -1.5379, df = 18.137, p-value = 0.9293
alternative hypothesis: true difference in means is greater than 0
95 percent confidence interval:
 -9.40084      Inf
sample estimates:
mean of x mean of y 
 19.27273  23.69231 

> t.test(sample1, sample2, alternative = 'less')

	Welch Two Sample t-test

data:  sample1 and sample2
t = -1.5379, df = 18.137, p-value = 0.07067
alternative hypothesis: true difference in means is less than 0
95 percent confidence interval:
      -Inf 0.5616789
sample estimates:
mean of x mean of y 
 19.27273  23.69231 


> sample1 <- c(24, 28, 32, 29, 35, 36, 30, 32, 25, 31)
> sample2 <- c(5, 10, 25, 15, 16, 20)

> t.test(sample1, sample2)

	Welch Two Sample t-test

data:  sample1 and sample2
t = 4.7857, df = 6.8409, p-value = 0.00213
alternative hypothesis: true difference in means is not equal to 0
95 percent confidence interval:
  7.57018 22.49649
sample estimates:
mean of x mean of y 
 30.20000  15.16667 

> t.test(sample1, sample2, alternative = 'greater')

	Welch Two Sample t-test

data:  sample1 and sample2
t = 4.7857, df = 6.8409, p-value = 0.001065
alternative hypothesis: true difference in means is greater than 0
95 percent confidence interval:
 9.061005      Inf
sample estimates:
mean of x mean of y 
 30.20000  15.16667 

> t.test(sample1, sample2, alternative = 'less')

	Welch Two Sample t-test

data:  sample1 and sample2
t = 4.7857, df = 6.8409, p-value = 0.9989
alternative hypothesis: true difference in means is less than 0
95 percent confidence interval:
     -Inf 21.00566
sample estimates:
mean of x mean of y 
 30.20000  15.16667