Mathematics category
Statistics calculators
Data summaries, uncertainty, measurement and practical quantitative models.
1288 calculators in this category. Page 8 of 27.
1288 calculators available. Search data loads only when you use this field.
Kaplan–Meier Conditional Survival Factor
Calculate conditional survival factor from events at the time point and individuals at risk immediately before.
Open calculator StatisticsKaplan–Meier Conditional Survival Factor: solve events at the time point
Rearrange the kaplan–meier conditional survival factor relationship and solve for events at the time point.
Open calculator StatisticsKaplan–Meier Conditional Survival Factor: solve individuals at risk immediately before
Rearrange the kaplan–meier conditional survival factor relationship and solve for individuals at risk immediately before.
Open calculator StatisticsKaplan–Meier Survival Probability Update
Calculate updated survival probability from survival probability before time point and conditional survival factor.
Open calculator StatisticsKaplan–Meier Survival Probability Update: solve survival probability before time point
Rearrange the kaplan–meier survival probability update relationship and solve for survival probability before time point.
Open calculator StatisticsKaplan–Meier Survival Probability Update: solve conditional survival factor
Rearrange the kaplan–meier survival probability update relationship and solve for conditional survival factor.
Open calculator StatisticsNelson–Aalen Cumulative-Hazard Increment
Calculate hazard increment from events at the time point and individuals at risk immediately before.
Open calculator StatisticsNelson–Aalen Cumulative-Hazard Increment: solve events at the time point
Rearrange the nelson–aalen cumulative-hazard increment relationship and solve for events at the time point.
Open calculator StatisticsNelson–Aalen Cumulative-Hazard Increment: solve individuals at risk immediately before
Rearrange the nelson–aalen cumulative-hazard increment relationship and solve for individuals at risk immediately before.
Open calculator StatisticsNelson–Aalen Cumulative-Hazard Update
Calculate updated cumulative hazard from cumulative hazard before time point and current hazard increment.
Open calculator StatisticsNelson–Aalen Cumulative-Hazard Update: solve cumulative hazard before time point
Rearrange the nelson–aalen cumulative-hazard update relationship and solve for cumulative hazard before time point.
Open calculator StatisticsNelson–Aalen Cumulative-Hazard Update: solve current hazard increment
Rearrange the nelson–aalen cumulative-hazard update relationship and solve for current hazard increment.
Open calculator StatisticsSingle-Event Cumulative Incidence from Survival
Calculate cumulative event incidence from unit probability total and event-free survival probability.
Open calculator StatisticsSingle-Event Cumulative Incidence from Survival: solve unit probability total
Rearrange the single-event cumulative incidence from survival relationship and solve for unit probability total.
Open calculator StatisticsSingle-Event Cumulative Incidence from Survival: solve event-free survival probability
Rearrange the single-event cumulative incidence from survival relationship and solve for event-free survival probability.
Open calculator StatisticsStandardized Mortality Ratio
Calculate standardized mortality ratio from observed event count and expected event count under standard rates.
Open calculator StatisticsStandardized Mortality Ratio: solve observed event count
Rearrange the standardized mortality ratio relationship and solve for observed event count.
Open calculator StatisticsStandardized Mortality Ratio: solve expected event count under standard rates
Rearrange the standardized mortality ratio relationship and solve for expected event count under standard rates.
Open calculator StatisticsRestricted Mean Survival-Time Percentage
Calculate restricted mean survival percentage from area under survival curve to horizon and restriction time horizon.
Open calculator StatisticsRestricted Mean Survival-Time Percentage: solve area under survival curve to horizon
Rearrange the restricted mean survival-time percentage relationship and solve for area under survival curve to horizon.
Open calculator StatisticsRestricted Mean Survival-Time Percentage: solve restriction time horizon
Rearrange the restricted mean survival-time percentage relationship and solve for restriction time horizon.
Open calculator StatisticsMedian Survival Bracket Width
Calculate median-survival bracket width from upper time bracketing survival one-half and lower time bracketing survival one-half.
Open calculator StatisticsMedian Survival Bracket Width: solve upper time bracketing survival one-half
Rearrange the median survival bracket width relationship and solve for upper time bracketing survival one-half.
Open calculator StatisticsMedian Survival Bracket Width: solve lower time bracketing survival one-half
Rearrange the median survival bracket width relationship and solve for lower time bracketing survival one-half.
Open calculator StatisticsCompeting-Risk Incidence Remainder
Calculate unassigned cause-specific incidence from total cumulative incidence across causes and sum of known cause-specific incidences.
Open calculator StatisticsCompeting-Risk Incidence Remainder: solve total cumulative incidence across causes
Rearrange the competing-risk incidence remainder relationship and solve for total cumulative incidence across causes.
Open calculator StatisticsCompeting-Risk Incidence Remainder: solve sum of known cause-specific incidences
Rearrange the competing-risk incidence remainder relationship and solve for sum of known cause-specific incidences.
Open calculator StatisticsAverage Person-Time Follow-Up
Calculate average follow-up time from total observed person-time and contributing participant count.
Open calculator StatisticsAverage Person-Time Follow-Up: solve total observed person-time
Rearrange the average person-time follow-up relationship and solve for total observed person-time.
Open calculator StatisticsAverage Person-Time Follow-Up: solve contributing participant count
Rearrange the average person-time follow-up relationship and solve for contributing participant count.
Open calculator StatisticsMeta-Analysis Normalized Study Weight Percentage
Calculate normalized study weight percentage from study inverse-variance weight and sum of all study weights.
Open calculator StatisticsMeta-Analysis Normalized Study Weight Percentage: solve study inverse-variance weight
Rearrange the meta-analysis normalized study weight percentage relationship and solve for study inverse-variance weight.
Open calculator StatisticsMeta-Analysis Normalized Study Weight Percentage: solve sum of all study weights
Rearrange the meta-analysis normalized study weight percentage relationship and solve for sum of all study weights.
Open calculator StatisticsRandom-Effects Meta-Analysis Total Variance
Calculate random-effects total variance from study within-sampling variance and between-study variance tau squared.
Open calculator StatisticsRandom-Effects Meta-Analysis Total Variance: solve study within-sampling variance
Rearrange the random-effects meta-analysis total variance relationship and solve for study within-sampling variance.
Open calculator StatisticsRandom-Effects Meta-Analysis Total Variance: solve between-study variance tau squared
Rearrange the random-effects meta-analysis total variance relationship and solve for between-study variance tau squared.
Open calculator StatisticsCochran Q Heterogeneity Excess
Calculate q-minus-degrees excess from cochran q statistic and heterogeneity degrees of freedom.
Open calculator StatisticsCochran Q Heterogeneity Excess: solve Cochran Q statistic
Rearrange the cochran q heterogeneity excess relationship and solve for cochran q statistic.
Open calculator StatisticsCochran Q Heterogeneity Excess: solve heterogeneity degrees of freedom
Rearrange the cochran q heterogeneity excess relationship and solve for heterogeneity degrees of freedom.
Open calculator StatisticsMeta-Analysis I-Squared Heterogeneity Fraction
Calculate i-squared fraction from heterogeneity degrees of freedom and cochran q statistic.
Open calculator StatisticsMeta-Analysis I-Squared Heterogeneity Fraction: solve heterogeneity degrees of freedom
Rearrange the meta-analysis i-squared heterogeneity fraction relationship and solve for heterogeneity degrees of freedom.
Open calculator StatisticsMeta-Analysis I-Squared Heterogeneity Fraction: solve Cochran Q statistic
Rearrange the meta-analysis i-squared heterogeneity fraction relationship and solve for cochran q statistic.
Open calculator StatisticsFixed-Effect Pooled-Mean Variance
Calculate pooled-mean variance from unit reciprocal scale and sum of inverse-variance weights.
Open calculator StatisticsFixed-Effect Pooled-Mean Variance: solve unit reciprocal scale
Rearrange the fixed-effect pooled-mean variance relationship and solve for unit reciprocal scale.
Open calculator StatisticsFixed-Effect Pooled-Mean Variance: solve sum of inverse-variance weights
Rearrange the fixed-effect pooled-mean variance relationship and solve for sum of inverse-variance weights.
Open calculator StatisticsBayesian Credible-Interval Width
Calculate credible interval width from upper credible bound and lower credible bound.
Open calculator StatisticsBayesian Credible-Interval Width: solve upper credible bound
Rearrange the bayesian credible-interval width relationship and solve for upper credible bound.
Open calculator StatisticsBayesian Credible-Interval Width: solve lower credible bound
Rearrange the bayesian credible-interval width relationship and solve for lower credible bound.
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