fddm v1.0-2 (Release date:
2024-06-26)
New Features
- added function
ddm() which permits formula-based
fitting of the DDM using the analytic gradient.
Other Changes
- the order of the arguments
v and a to
functions dfddm(), pfddm(), and the PDF
derivatives d*_ddm() were changed. Previously, it was
...ddm(..., a, v, ...), and now it is
...ddm(..., v, a, ...)
- character variables in med_dec transformed to factors.
- updated example vignette by showing how to use the new
ddm() function.
fddm v0.5-1 (Release date:
2022-3-15)
New Features
- Added new method to compute the PDF of the DDM
Bug Fixes
- Fixed HTML deprecation in documentation
Other Changes
- Changed the function parameters in
dfddm() that
determine how the method of calculation is chosen.
fddm v0.4-1 (Release date:
2021-12-10)
Bug Fixes
- Fixed ‘pi’ issue with
Rcpp
fddm v0.4-0 (Release date:
2021-7-27)
New Features
- Added the function
pfddm() to calculate the cumulative
distribution function (CDF) of the DDM; it uses the same model
parameters as the existing dfddm() function.
Bug Fixes
- Fixed issue where the log optional parameter was ignored and the
non-log result was produced.
fddm v0.3-3 (Release date:
2021-4-4)
Bug Fixes
- Fixed issue on Solaris involving floor function and the int data
type.
- Revamped handling of model parameters whose values are
out-of-bounds.
fddm v0.3-1 (Release date:
2021-3-21)
New Features
- Added new parameter
sigma to denote the diffusion
coefficient of the Wiener process that underlies the DDM.
Bug Fixes
- Corrected the required number of terms in the small-time
approximation methods.
k now consistently refers to the number of
individual terms instead of sometimes the number of
pairs of terms.
Other Changes
- Changed default value of
max_terms_large to 1. This
affects the default method
(n_terms_small = "SWSE", scale = "both").
- Revamped the error handling to make it less intrusive.
- Removed function call in
R; now directly calls
C++.
- Updated vignettes.
fddm v0.2-2 (Release date:
2020-11-03)
Other Changes
- Added warning about old 32-bit compilers exhibiting abnormal
behavior for the large-time approximation.
fddm v0.2-1 (Release date:
2020-10-09)
Bug Fixes
- The num_funcs.cpp functions are now prevented from possible
overflow.
- Checks are now in place for empty strings as inputs to the
parameters
n_terms_small, summation_small, and
scale.
fddm v0.1-2 (Release date:
2020-10-07)
New Features
- New default method, callable using the arguments
n_terms_small = "SWSE", scale = "both".
Bug Fixes
- Density functions now return strictly non-negative values.
Other Changes
- If input response times is an empty vector, then an empty vector is
returned.
- Fine-tuned the summation functions used with the SWSE method
- Added URLs to DESCRIPTION
fddm v0.1-1 (Release date:
2020-07-10)
Initial CRAN release.