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انتشارات

 

Papers in Journals:

Rikhtehgaran, R. ,  Kazemi, I. and Verbeke, G. (2016). A comparative study on estimation methods to deal with the endogeneity in linear random-intercept models with an extension, Journal of Statistical Computation and Simulation,  DOI: 10.1080/00949655.2016.1196689

 

 • Rikhtehgaran, R. and Kazemi, I. (2016). The determination of uncertainty levels in robust clustering of subjects with longitudinal observations using the Dirichlet process mixture, Advances in Data Analysis and Classification, DOI: 10.1007/s11634-016-0262-x

 

• Sajjadi, A., Sheikhzadeh, M., Rikhtehgaran, R. and  Hajrasouliha, J. (2015). Prediction of fabric handle value using ordinal regression model. The Journal of The Textile Institute. 106(11), 1161-1172.

 

 • Shams, E., Rikhtehgaran, R. and Kelishadi, R. (2015), A Bayesian approach to regression clustering of Iranian children and adolescence based on risk of cardiovascular disease and diabetes. Journal of Health System Research. 422-434. (in Persian) (ISC Journal)

 

Rikhtehgaran, R., Kazemi, I. and Verbeke, G. (2014). Effects of .time-invariant covariates on the estimation of longitudinal trends for transition mixed models. Statistics in Medicine. 33(27), 4743-4755.

 

• Kazemi, I. and Rikhtehgaran, R. (2014). Topics on dynamic panel data models with random effects using semi-parametric Bayesian approach. Communications in Statistics- Theory and Methods, 43: 1630-1648.

 

 • Rikhtehgaran, R. and Kazemi, I. (2013). Semi-parametric Bayesian estimation of mixed-effects models using a multivariate skew-normal distribution. Computational Statistics,2007-2027.

 

 • Rikhtehgaran, R., Kazemi, I., Verbeke, G., Kort, W.D. and Lesaffre, E., (2012). Piecewise transition models with random effects for unequally-spaced longitudinal measurements. Statistical Modelling: An International Journal, 12 (6), 503-525.

 

Publications and presentations in conferences

• Shams, E. and Rikhtehgaran, R.  (2016). Clustering individuals with longitudinal observations based on their distributional behavior via Dirichlet processes, Proceeding of the 13th  Iranian Statistical Conference, Kerman, Iran. 637-643.


• Mofidian, A.. and Rikhtehgaran, R.  (2016). Bayesian semi-parametric approach to clustering longitudinal count data with missing values, Proceeding of the 13th  Iranian Statistical Conference, Kerman, Iran, 382-388.


• Malekiyan, M. and Rikhtehgaran, R. (2016). Joint modeling of survival and longitudinal data by handling the initial conditions problem. The proceeding of the 2nd Seminar on Reliability Theory and Its Application, Tehran, Iran  82-85.


Rikhtehgaran, R., Mofidian, A. and Kazemi, I. (2016) A semi-parametric model-based clustering of subjects with longitudinal observations,  The proceeding of the first expertise (specialized) seminar in Nonparametric Statistics and its applications, Tehran, Iran, 40-43.


• Shams, E. and Rikhtehgaran, R. (2015). Dirichlet processes applied to clustering of longitudinal data via piecewise mixed-effects models. Proceeding of the 10th Seminar on Probability and Stochastic Processes, Yazd, Iran, 485-492.


• Shams, E. and Rikhtehgaran, R.  (2015). Clustering of longitudinal data based on a random change-point model using Dirichlet processes, Proceeding of the 46th Annual Iranian Mathematics Conference, Yazd, Iran, 594-597.


Rikhtehgaran, R. and Kazemi, I. (2014). Robust Clustring of longitudinal data using a semiparametric Bayesian approach based on the Dirichlet-t distribution. Proceeding of the 12th Iranian Statistical Conferences, Kermanshah, Iran,


Rikhtehgaran, R. and Kazemi, I. (2013). Dirichlet process as a mixing prior for Normal/independent distributions in fitting linear mixed models. Proceeding of the 9th Seminar on Probability and Stochastic Processes, Zahedan, Iran, 494-501.


Rikhtehgaran, R. and Kazemi, I. (2012). Applying skew-normal distributions in Dirichlet processes for mixed-effects modeling. Proceeding of the 11th Iranian Statistical Conferences, Tehran, Iran, 534-541.


Rikhtehgaran, R., Kazemi, I., Verbeke, G., Kort, W.D. and Lesaffre, E. (2012). Piecewise transition models with random effects for unequally-spaced measurements. Proceeding of the 27th International Workshop on Statistical Modelling (IWSM), Prague, Czech Republic, 279-284.


Rikhtehgaran, R. and Kazemi, I., (2010). Semi-parametric Bayesian Models for Transition Longitudinal Data, Proceeding of the 10th Iranian Statistical Conferences, Tabriz, Iran, 352-359.


Rikhtehgaran, R., Sadri, S. and Taheri, S.M., (2007). A Bayesian approach to image interpretation, Proceeding of the 4th Iranian Conference on Machine Vision and Image Processing, Mashhad, Iran, 997-1004.


Rikhtehgaran, R. and Sadri, S. and Taheri, S.M. (2007) Unsupervised segmentation of color images in a Markovian framework, Proceeding of the 15th Iranian Conference on Electrical Engineering, Tehran, Iran.


Rikhtehgaran, R. and Sadri, S. and Taheri, S.M., (2007). Interpretation of image regions using Markov random Fields, Proceeding of the 6th Seminar on Probability and Stochastic Processes, Babolsar, Iran.