Skip to content

ssanv

Sample Size Adjusted for Nonadherence or Variability of Input Parameters

v1.1 · Jun 23, 2015 · GPL-3

Description

A set of functions to calculate sample size for two-sample difference in means tests. Does adjustments for either nonadherence or variability that comes from using data to estimate parameters.

Downloads

CRAN

1.9K

Last 30 days

2818th

9.3K

Last 90 days

48.8K

Last year

Trend: -34.9% (30d vs prior 30d)

r2u CRAN

17

Last 30 days

49

Last 90 days

150

Last year

Trend: -22.7% (30d vs prior 30d)

autoCRAN

1

Last 7 days

5

Last 30 days

1

All-time

autoCRAN-only: this name is served only by autoCRAN, so the count is exact.

CRAN Check Status

2 NOTE
11 OK
Show all 13 flavors
Flavor Status
r-devel-linux-x86_64-debian-clang NOTE
r-devel-linux-x86_64-debian-gcc NOTE
r-devel-linux-x86_64-fedora-clang OK
r-devel-linux-x86_64-fedora-gcc OK
r-devel-windows-x86_64 OK
r-oldrel-macos-arm64 OK
r-oldrel-macos-x86_64 OK
r-oldrel-windows-x86_64 OK
r-patched-linux-x86_64 OK
r-release-linux-x86_64 OK
r-release-macos-arm64 OK
r-release-macos-x86_64 OK
r-release-windows-x86_64 OK
Check details (2 non-OK)
NOTE r-devel-linux-x86_64-debian-clang

CRAN incoming feasibility

Maintainer: ‘Michael P. Fay <mfay@niaid.nih.gov>’

No Authors@R field in DESCRIPTION.
Please add one, modifying
  Authors@R: person(given = c("Michael", "P."),
                    family = "Fay",
                    role = c("aut", "cre"),
                    email = "mfay@niaid.nih.gov")
as necessary.

Package CITATION file contains call(s) to old-style personList() or
as.personList().  Please use c() on person objects instead.
Package CITATION file contains call(s) to old-style citEntry().  Please
use bibentry() instead.
NOTE r-devel-linux-x86_64-debian-gcc

CRAN incoming feasibility

Maintainer: ‘Michael P. Fay <mfay@niaid.nih.gov>’

No Authors@R field in DESCRIPTION.
Please add one, modifying
  Authors@R: person(given = c("Michael", "P."),
                    family = "Fay",
                    role = c("aut", "cre"),
                    email = "mfay@niaid.nih.gov")
as necessary.

Package CITATION file contains call(s) to old-style personList() or
as.personList().  Please use c() on person objects instead.
Package CITATION file contains call(s) to old-style citEntry().  Please
use bibentry() instead.

Check History

NOTE 12 OK · 2 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE Mar 10, 2026
NOTE r-devel-linux-x86_64-debian-clang

CRAN incoming feasibility

Maintainer: ‘Michael P. Fay <mfay@niaid.nih.gov>’

No Authors@R field in DESCRIPTION.
Please add one, modifying
  Authors@R: person(given = c("Michael", "P."),
                    family = "Fay",
                    role = c("aut", "cre"),
          
...[truncated]...
d.nih.gov")
as necessary.

Package CITATION file contains call(s) to old-style personList() or
as.personList().  Please use c() on person objects instead.
Package CITATION file contains call(s) to old-style citEntry().  Please
use bibentry() instead.
NOTE r-devel-linux-x86_64-debian-gcc

CRAN incoming feasibility

Maintainer: ‘Michael P. Fay <mfay@niaid.nih.gov>’

No Authors@R field in DESCRIPTION.
Please add one, modifying
  Authors@R: person(given = c("Michael", "P."),
                    family = "Fay",
                    role = c("aut", "cre"),
          
...[truncated]...
d.nih.gov")
as necessary.

Package CITATION file contains call(s) to old-style personList() or
as.personList().  Please use c() on person objects instead.
Package CITATION file contains call(s) to old-style citEntry().  Please
use bibentry() instead.

Reverse Dependencies (5)

imports

Dependency Network

Dependencies Reverse dependencies exact2x2 exactci nivm rPowerSampleSize asht ssanv

Version History

5 tracked
new 1.1 Mar 10, 2026
updated 1.1 ← 1.0-2 diff Jun 22, 2015
updated 1.0-2 ← 1.0-1 diff Oct 28, 2012
updated 1.0-1 ← 1.0 diff Oct 12, 2009
new 1.0 Feb 13, 2006