User profiles for P. Sobczyk

Piotr Sobczyk

PhD, Wroclaw University of Science and Technology
Verified email at pwr.edu.pl
Cited by 271

Controlling the rate of GWAS false discoveries

D Brzyski, CB Peterson, P Sobczyk, EJ Candès… - Genetics, 2017 - academic.oup.com
… of rejections is always a nonincreasing function of the P-values, it does do so for an
overwhelming proportion of realistic P-value configurations, and our extensive simulations studies …

[HTML][HTML] Amyloidogenic motifs revealed by n-gram analysis

…, P Sobczyk, S Rödiger, A Duda-Madej, P Mackiewicz… - Scientific reports, 2017 - nature.com
… We found 65 n-grams with p-values smaller than 0.05 in the QuiPT test in all repetitions
of cross-validation, regardless of the lengths of sequences in the training set (Fig. 3). The …

Surgical management of spontaneous intracranial hypotension syndrome: a literature review

P Sobczyk, P Bojarski… - … i Neurochirurgia Polska, 2023 - journals.viamedica.pl
Sobczyk P, Bojarski P, Sobstyl M. Surgical treatment of spontaneous intracranial hypotension
syndrome secondary to the cervical cerebrospinal leak - a case report. Pol Merkur Lekarski…

[HTML][HTML] Prediction of signal peptides in proteins from malaria parasites

…, P Sobczyk, J Chilimoniuk, P Gagat… - International journal of …, 2018 - mdpi.com
Signal peptides are N-terminal presequences responsible for targeting proteins to the
endomembrane system, and subsequent subcellular or extracellular compartments, and …

Bayesian dimensionality reduction with PCA using penalized semi-integrated likelihood

P Sobczyk, M Bogdan, J Josse - Journal of Computational and …, 2017 - Taylor & Francis
… To reduce the computational burden, when n > >p we diagonalize the covariance matrix X
T X of size p × p, whereas when n < <p we diagonalize the inner-product matrix XX T of size n …

[HTML][HTML] Structure learning of Gaussian Markov random fields with false discovery rate control

S Lee, P Sobczyk, M Bogdan - Symmetry, 2019 - mdpi.com
… x 1 , x 2 , ⋯ , x n of p jointly Gaussian random variables following N ( 0 , Σ p × p ) , where the
mean is zero without loss of generality and Σ p × p is the covariance matrix. The estimation is …

Low-temperature ammonia oxidation over Pt/γ-alumina: the influence of the alumina support

DP Sobczyk, EJM Hensen, AM De Jong… - Topics in catalysis, 2003 - Springer
Deactivation of a Pt/γ-alumina catalyst used for low-temperature ammonia oxidation was
studied using positron-emission profiling (PEP). Evidence is presented that irreversibly …

Activation of ammonia dissociation by oxygen on platinum sponge studied with positron emission profiling

DP Sobczyk, AM De Jong, EJM Hensen… - Journal of …, 2003 - Elsevier
Positron emission profiling (PEP) is applied to study the adsorption and dissociation of ammonia
on metallic and preoxidized platinum sponge in the temperature range 323–573 K. The …

[HTML][HTML] Methods for comparing multiple digital PCR experiments

…, P Sobczyk, M Menschikowski, P Schierack… - Biomolecular Detection …, 2016 - Elsevier
The estimated mean copy per partition (λ) is the essential information from a digital PCR (dPCR)
experiment because λ can be used to calculate the target concentration in a sample. …

[PDF][PDF] Sparse graphical modelling via the sorted ℓ 1-norm

…, PJ Kremer, S Paterlini, P Sobczyk - arXiv preprint arXiv …, 2022 - academia.edu
… model can be represented as the set of p multiple regression models, where for each i ∈
{1,..., p} … uses the Bonferroni correction to adjust to p2 tests, while in fact we test only for p(p−1) …