Sep 2026
A non-parametric method for imputing censored values below the limit of detection
Meng Sun, Ping-Feng Xu, Zhigen Gao et al.
· Statistics and computing · 0 citations
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Aug 2026
Latent Variable Selection in Multidimensional Item Response Theory Models With Nonignorable Missingness
Nonignorable item nonresponses commonly occur in educational and psychological measurement and pose challenges for statistical inference in item response theory (IRT) models. In multidimensional IRT (MIRT), a key issue is identifying the relationships between multiple latent abilities and test items, known as latent va...
Qian-Zhen Zheng, Ping-Feng Xu, Laixu Shang et al.
· Journal of educational and b... · 0 citations