Fisher’s Exact Test Calculator (2×2) Fisher’s Exact Test Calculator (2×2) Enter the counts for the 2×2 table: \( \begin{array}{cc} a & b \\ c & d \end{array} \) * The p‑value is computed by summing the probabilities of all tables (with fixed margins) whose probability is ≤ that of the observed table. Step 1: Enter […]
Read MoreCohen’s f² Confidence Interval Calculator Cohen’s f² Confidence Interval Calculator For multiple regression with sample size \( n \), \( p \) predictors and observed \( R^2 \), Cohen’s \( f^2 \) is given by $$ f^2=\frac{R^2}{1-R^2}. $$ The noncentral F statistic is $$ F_{obs}=\frac{(R^2/p)}{((1-R^2)/(n-p-1))}, $$ with noncentrality parameter $$ \lambda=f^2\,(n-p-1). $$ * Enter sample […]
Read MoreRegularized Lower Incomplete Gamma Function Calculator Regularized Lower Incomplete Gamma Function Calculator Compute the regularized lower incomplete gamma function: $$ P(s,x)=\frac{1}{\Gamma(s)}\int_0^x t^{s-1}e^{-t}\,dt. $$ * Enter a shape parameter \( s>0 \) and an upper limit \( x\ge0 \). Step 1: Enter Parameters Shape Parameter, \( s \): e.g., 2 Upper Limit, \( x \): e.g., […]
Read MoreFisher’s Exact Test Calculator (2×3) Enter the cell counts for your 2×3 contingency table: \( \begin{array}{ccc} a & b & c \\ d & e & f \end{array} \) * The p‑value is computed by summing the probabilities of all tables (with fixed margins) whose probability is ≤ that of the observed table. Step 1: […]
Read MoreRegularized Upper Incomplete Gamma Function Calculator Regularized Upper Incomplete Gamma Function Calculator Compute the regularized upper incomplete gamma function: $$ Q(s,x)=\frac{\Gamma(s,x)}{\Gamma(s)}=1-P(s,x), $$ where $$ P(s,x)=\frac{1}{\Gamma(s)}\int_0^x t^{s-1}e^{-t}\,dt. $$ * Enter a shape parameter \( s>0 \) and an upper limit \( x\ge 0 \). Step 1: Enter Parameters Shape Parameter, \( s \): e.g., 2 Upper […]
Read MoreUse this calculator to determine the Intraclass Correlation Coefficient (ICC) based on your ANOVA data. Input the sum of squares and degrees of freedom for both between-groups and within-groups to compute the ICC, which measures the reliability or agreement within clusters/groups in your study. ANOVA Intraclass Correlation (ICC) Calculator In a one-way random effects model, […]
Read MoreUpper Incomplete Gamma Function Calculator Upper Incomplete Gamma Function Calculator Enter s (Shape Parameter): Enter x (Lower Limit of Integration): Calculate Reset
Read MoreCorrelation Coefficient Calculator (from Covariance) Correlation Coefficient Calculator (from Covariance) Use this calculator to determine the Correlation Coefficient between two datasets based on their covariance. Input your two datasets to compute the correlation, which measures the strength and direction of their linear relationship. Dataset X (comma-separated values): Dataset Y (comma-separated values): Calculate Correlation Coefficient Reset […]
Read MoreComplementary Error Function (erfc) Calculator Complementary Error Function (erfc) Calculator The complementary error function is defined as $$ \operatorname{erfc}(x)=1-\operatorname{erf}(x). $$ * Enter the value of \( x \). Step 1: Enter \( x \) \( x \): e.g., 1 Calculate \( \operatorname{erfc}(x) \) Calculated Complementary Error Function \( \operatorname{erfc}(x) \): Recalculate Formula: \( \operatorname{erfc}(x)=1-\operatorname{erf}(x) \)
Read MoreEnter the cell counts for the 3×3 table: \( \begin{array}{ccc} a & b & c \\ d & e & f \\ g & h & i \end{array} \) * The p‑value is computed by summing the probabilities of all tables with the same fixed margins that have a probability less than or equal to […]
Read More