static public SampleValues StandardizeToRange(SampleValues sampVals)
{
if (sampVals.maxRngVal > 1)
{
double range = sampVals.maxRngVal - sampVals.minRngVal;
sampVals.s = sampVals.s / range;
sampVals.e = sampVals.e / range;
}
return(sampVals);
}
static public SampleValues UnstandardizeFromRange(SampleValues sampVals)
{
if (sampVals.maxRngVal > 1)
{
double range = sampVals.maxRngVal - sampVals.minRngVal;
sampVals.s = sampVals.s * range;
sampVals.e = sampVals.e * range;
}
return(sampVals);
}
static public SampleValues ErrorSize(SampleValues sampVals)
{
if (sampVals.maxRngVal > 1)
{
StandardizeToRange(sampVals);
}
sampVals.e = Math.Round(sampVals.s * z.GetZ(sampVals.c) * Math.Sqrt((sampVals.N - 1 - sampVals.n) / (sampVals.n * (sampVals.N - 1))), 5);
if (sampVals.maxRngVal > 1)
{
UnstandardizeFromRange(sampVals);
}
return(sampVals);
}
static public SampleValues SampleSize(SampleValues sampVals)
{
if (sampVals.maxRngVal > 1)
{
StandardizeToRange(sampVals);
}
sampVals.n = Math.Round((sampVals.N * Math.Pow(sampVals.s * z.GetZ(sampVals.c) / sampVals.e, 2)) / ((sampVals.N - 1)
+ Math.Pow(sampVals.s * z.GetZ(sampVals.c) / sampVals.e, 2)));
if (sampVals.maxRngVal > 1)
{
UnstandardizeFromRange(sampVals);
}
return(sampVals);
}