nQuery

Überzeugen Sie sich selbst mit einer kostenlosen Demoversion der Software

Der Hersteller Statistical Solutions bietet eine kostenlose Demoversion von nQuery Advisor + nTerim 3.0 an. Mit dieser können Sie die Funktionen der Software ausgiebig testen bevor Sie sich für einen Kauf entscheiden. Die Demoversion kann von Ihnen auf folgender Seite, als Download, angefordert werden: www.statsols.com/trial-sign-up-form

Systemvoraussetzungen für die Software nQuery:

MINIMUM (known) system requirements for nQuery Advanced.

• 2 core processor of 1 GHz 'speed'
• 3 GB of available hard disk space
• 2GB RAM
• Windows 10, then it must be higher than version 1511.
  -Please note that Windows 10 S is not supported.
• .NET Framework 4.7.1

Note: Administrative privileges to the end users machine will be required for installation process only.

Weitere Funktionen in nQuery

• Difference of Means
  • Equivalence
  • Superiority
  • Non-Inferiority
• Ratio’s
  • Equivalence
  • Superiority
  • Non-Inferiority
• Two Means (Matched Pair)
• Two Proportions Inequality (Matched Pair)
• Two Incidence Rates (Matched Pair)
• Two Incidence Rates (Completely Randomized)
• Two Exponential Means
• One Variance
• Two Variances
• One Sample Z-Test
• Two Sample Z-Test
• Paired Samples Z-Test
• One ROC Curve
• Two ROC Curves
• Comparison between Two Correlations
• Specificity for One Sample
• Sensitivity for One Sample

Sample Sizes

Means

• One group t
• Paired t
• Student's t-test(equal variances)
• Sattherthwaite's t-test (unequal variances)
• Two group t-test for fold change assuming log-normal distribution
• Two group t-test of equal fold change with fold change threshold
• Crossover (2x2)
• One way analysis of variance
• Two way analysis of variance
• Repeated measures ANOVA (one and two group)
• Contrasts

Confidence Intervals

• One group
• Paired design
• Two group
• Contrasts
• For normal limits

Equivalence and Bioequivalence Tests

• Paired design
• Two group (difference in means)
• Two group (ratio of means)
• Crossover (difference in means)
• Crossover (ratio of means)

Proportions

• One group binomial (exact)
• Paired (McNemar's and exact tests)
• Two group Chi-square
• Continuity corrected Chi-square
• Fisher's Exact Test
• Gx2 table Chi-square
• Logistic model for Gx2 table
• Cochran / Mantel - Haenszel
• Goodness of fit, C categories
• Two - group, C categories
• G - group, C categories

Confidence Intervals

• One group binomial
• One group binomial (rare event)
• Paired design (odds ratio)
• Two group (difference/odds ratio)
• Two group (relative risk)

One sided and TOST Equivalence Tests Using Confidence Intervals

• For paired proportions
• For two independent proportions

Agreement

• One Group Tests and Confidence Intervals
• Kappa
• Correlation coefficient
• Lin's concordance coefficient
• Intra-class correlation

Survival

• Two group Tests
• Test of exponential survival (accrual/dropouts)
• Log-rank test (simulation) for user-specified accrual, hazard rates, dropout rates (equal and unequal n's)
• Non-inferiority test

Regression

• Tests and Confidence Intervals
• Logistic regression (one or multiple covariates)
• Linear regression
• Multiple regression
• Multiple regression (with partialling)
• Tests and confidence intervals for regression
• slopes in one and two
• sample designs

Features

• Equal or unequal n's
• Finite population corrections
• Cluster sample corrections
• Kupper-Hafner CI modification
• Plots
• Statements
• Effect size assistance
• References
• Standard deviation calculator
• Column names
• Tables, statements, guides in RTF format
• Decimal display controls
• Create randomization list

Plots

Multiple plot options allowing user specification of x and y axes (power vs n, interval width vs n, and power or n versus effect size)

Nonparametric

• Tests
• Wilcoxon/Mann-Whitney rank-sum test (continuous outcome or ordered scale)