mds
0.3.3UNDER DEVELOPMENT - FUTURE RELEASE
mds
0.3.2Implemented Updates
Bugfix
- Replace ifelse()
calls that return Date
s with calls to ifelse_cp()
mds
0.3.1Implemented Updates
General
- Explicit declarations of stringsAsFactors=T
in all data.frame()
calls for cross-version compatibility
mds
0.3.0Implemented Updates
General
- Overall improvement of documentation & detailed descriptions of functions
- Input parameter covariates
specified in deviceevent()
must be either factor
or numeric
, no longer character
.
- Input parameter match_levels
specified in time_series()
must be factor
, no longer character
.
- Add to output of define_analyses()
a function for adding dates in the units specified by date_level
and date_level_n
- Deprecated use_hierarchy
parameter in time_series()
- Explicit carry-forward of define_analysis id
Covariate Handling
- Explicit handling of covariate level analysis in deviceevent()
, define_analyses()
, and time_series()
- Added analysis data frame to time_series()
output when covariate analysis is requested
- Covariates can now be EITHER factor
OR numeric
types when defined in deviceevent()
. Previously only characters (inferred as factors) werea allowed.
- Covariate analysis definitions include as a whole (marginal effect) or as a subset by a factor
covariate level
- Covariate analysis is exempt if there is zero variation in the data of the covariate
- Restructured exposure()
to handle factors only in match_levels
.
Implantable Devices / Time In-Vivo Handling
- Explicit handling of time in-vivo in deviceevent()
, define_analyses()
, and time_series()
- Added analysis data frame to time_series()
output when time in-vivo analysis is requested
- CHANGED PARAMETER deviceevent(implant_days)
to deviceevent(time_invivo)
and make all downstream changes.
To-Do List - Feature allowing total events (concept of reporting fraction) as an exposure data frame - Facility for handling multiple events on the same actual occurrence (such as stroke and bleeding during the same operation) - Explicit implementation of the Unique Device Identifier (UDI) - Implementation of IMDRF coding for product malfunctions, patient adverse events, and analysis findings
mds
0.2.1Implemented Updates
define_analyses()
and time_series()
outputs, including explicit references to device, event, and covariate levels.time_series()
define_analyses()
and time_series()
are clearer about the device and event one-up hierarchy levelsplot()
method to support updates to define_analyses()
and time_series()
mds
0.2.0Implemented Updates
deviceevents()
descriptors argumenttime_series()
examples in documentation & provided sample time series dataset called mds_ts
Bugfixes
exposure() total_events
parameter now accepts integer classdeviceevent()
: Drop records with missing device_level
s at all hierarchy levelsdeviceevent()
: Drop records with missing event_level
sdeviceevent()
: Drop records with missing covariate levelsexposure()
: Drop records with missing device_level
s at all hierarchy levelsexposure()
: Drop records with missing event_level
sexposure()
: Drop records with missing match levelsmds
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