armd0: armd0 Data (1107 x 8)
In nlmeU: Datasets and utility functions enhancing functionality of nlme package.
Description
Format
Details
Source
See Also
Description
Data from Age-Related Macular Degeneration (ARMD)
clinical trial
Format
The armd0 data frame has 1107 rows and 8 columns. It contains data for n=240 subjects
stored in a long format with up to five rows for one subject.
- subject
-
a factor with 240 levels 1, 2, 3, 4, 5, ...
- treat.f
-
a factor with 2 levels Placebo, Active
- visual0
-
an integer vector with values from 20 to 85
- miss.pat
-
a factor with 9 levels ----, ---X, --X-, --XX, -XX-, ...
- time.f
-
a factor with 5 levels Baseline, 4wks, 12wks, 24wks, 52wks
- time
-
a numeric vector with values from 0 to 52
- visual
-
an integer vector with values from 3 to 85
- tp
-
a numeric vector with values from 0 to 4
Details
The ARMD data arise from a randomized multi-center
clinical trial comparing an experimental treatment
(interferon-alpha) versus placebo for patients diagnosed
with ARMD.
Source
Pharmacological Therapy for Macular Degeneration Study
Group (1997). Interferon alpha-IIA is ineffective for
patients with choroidal neovascularization secondary to
age-related macular degeneration. Results of a
prospective randomized placebo-controlled clinical trial.
Archives of Ophthalmology, 115, 865-872.
See Also
nlmeU documentation built on May 2, 2019, 6:50 p.m.
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Description Format Details Source See Also
Description
Data from Age-Related Macular Degeneration (ARMD) clinical trial
Format
The armd0 data frame has 1107 rows and 8 columns. It contains data for n=240 subjects
stored in a long format with up to five rows for one subject.
- subject
-
a factor with 240 levels
1,2,3,4,5, ... - treat.f
-
a factor with 2 levels
Placebo,Active - visual0
-
an integer vector with values from 20 to 85
- miss.pat
-
a factor with 9 levels
----,---X,--X-,--XX,-XX-, ... - time.f
-
a factor with 5 levels
Baseline,4wks,12wks,24wks,52wks - time
-
a numeric vector with values from 0 to 52
- visual
-
an integer vector with values from 3 to 85
- tp
-
a numeric vector with values from 0 to 4
Details
The ARMD data arise from a randomized multi-center clinical trial comparing an experimental treatment (interferon-alpha) versus placebo for patients diagnosed with ARMD.
Source
Pharmacological Therapy for Macular Degeneration Study Group (1997). Interferon alpha-IIA is ineffective for patients with choroidal neovascularization secondary to age-related macular degeneration. Results of a prospective randomized placebo-controlled clinical trial. Archives of Ophthalmology, 115, 865-872.
See Also
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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