##change / AIUQ 0.5.3 * change the output issue of the method 'DDM_fixedAB' * add argument A_neg for DDM methods that controls modification for negative A(q) * add a package vignette * add AIUQ-package.Rd ##change / AIUQ 0.5.2 * fixed typo for method name in SAM class * update get_isf function * add argument A_neg in SAM class that controls modification for negative A(q), options from ('abs','zero'), with absolute value as the default value * output estimated A(q) and B using AIUQ method * change the formal of arXiv to include doi ##change / AIUQ 0.5.1 * implement simulation and estimation of the anisotropic process through aniso_simulation() and aniso_SAM()