Results 41 to 50 of about 392,560 (289)

Variance-Optimal Offline and Streaming Stratified Random Sampling [PDF]

, 2018
Stratified random sampling (SRS) is a fundamental sampling technique that provides accurate estimates for aggregate queries using a small size sample, and has been used widely for approximate query processing.
Nguyen, Trong, Shih, Ming-Hung, Srivastava, Divesh, Tirthapura, Srikanta, Tirthapura, Srikanta, Xu, Bojian   +5 more
core   +3 more sources

Predicting Chronicity in Children and Adolescents With Newly Diagnosed Immune Thrombocytopenia at the Timepoint of Diagnosis Using Machine Learning‐Based Approaches

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Objectives To identify predictors of chronic ITP (cITP) and to develop a model based on several machine learning (ML) methods to estimate the individual risk of chronicity at the timepoint of diagnosis. Methods We analyzed a longitudinal cohort of 944 children enrolled in the Intercontinental Cooperative immune thrombocytopenia (ITP) Study ...
Severin Kasser, Alice Bizeul, Meera Chitlur, Hugo Donato, Jelena Roganovic, Julia E. Vogt, Thomas Kühne   +6 more
wiley   +1 more source

A Systematic Review of Evidence on the Clinical Effectiveness of Surveillance Imaging in Children With Medulloblastoma and Ependymoma

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Surveillance imaging aims to detect tumour relapse before symptoms develop, but it's unclear whether earlier detection of relapse leads to better outcomes in children and young people (CYP) with medulloblastoma and ependymoma. This systematic review aims to identify relevant literature to determine the efficacy of surveillance magnetic ...
Lucy Shepherd, Melissa Taylor, Helen Fulbright, Bob Phillips   +3 more
wiley   +1 more source

ANALISIS QUICK COUNT DENGAN MENGGUNAKAN METODE STRATIFIED RANDOM SAMPLING (STUDI KASUS PEMILU WALIKOTA BANDUNG 2013) [PDF]

, 2014
Quick Count atau perhitungan suara cepat adalah prediksi hasil Pemilu berdasarkan fakta serta mampu mendeteksi dan melaporkan adanya penyimpangan. Dalam melaksanakan quick count digunakan metode sampling tertentu.
Demokrawati, Fiqa Adha
core  

Prognostic Impact of Treatment Modalities, Including Targeted Compartmental Radio‐Immunotherapy, in a Cohort of Neuroblastoma Patients With CNS Metastases at Relapse

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Introduction Neuroblastoma (NB) with central nervous system (CNS) metastases is rare at diagnosis, but occurs more often during relapse/progression. Patients with CNS metastases face a dismal prognosis, with no standardized curative treatment available.
Vicente Santa‐Maria Lopez, Anna Felip‐Badia, Marina Caballero‐Bellon, Nazaret Sanchez‐Sierra, Alicia Castañeda, Moira Garraus, Maite Gorostegui, Margarida Simão‐Rafael, Juan Pablo Muñoz, Marta Perez‐Somarriba, Salvador Mañe, Mariana Cecilia Planells, Sara Perez‐Jaume, Jaume Mora   +13 more
wiley   +1 more source

A comparison of volume renewal by 3P and traditional methods (Casestudy: forest management plan of Sardabrood) [PDF]

تحقیقات جنگل و صنوبر ایران, 2015
Field-based volume renewal methods were investigated for two tree species of oriental beech (Fagus orientalis Lipsky) and Caucasian alder (Alnus subcordata C. A. Mey.) by means of 3P and fully revised volume across district No.
Houman Abbasi, Asghar Fallah, Mohammad Reza Pourmajidian, Mahsa Rad Karimi   +3 more
doaj   +1 more source

Generating Effective Test Suites for Model Transformations Using Classifying Terms [PDF]

, 2016
Generating sample models for testing a model transformation is no easy task. This paper explores the use of classifying terms and stratified sampling for developing richer test cases for model transformations.
Burgueño, Loli, Gogolla, Martin, Hilken, Frank, Vallecillo-Moreno, Antonio Jesus   +3 more
core  

Fitting Proportional Odds Models to Educational Data with Complex Sampling Designs in Ordinal Logistic Regression [PDF]

, 2013
The conventional proportional odds (PO) model assumes that data are collected using simple random sampling by which each sampling unit has the equal probability of being selected from a population.
Koirala, Hari, Liu, Xing
core   +2 more sources

Improved Outcomes for Older Children, Adolescents, and Young Adults With Neuroblastoma in the Post‐Immunotherapy Era: An Updated Report From the International Neuroblastoma Risk Group

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Background We describe clinical and biologic characteristics of neuroblastoma in older children, adolescents, and young adults (OCAYA); describe survival outcomes in the post‐immunotherapy era; and identify if there is an age cut‐off that best discriminates outcomes.
Rebecca J. Deyell, Kavitha Srivatsa, Paola Angelini, Pei‐Chi Kao, Brady Payne, Arlene Naranjo, Sveva Castelli, Miho Kato, Miki Ohira, Ulriche Pöetschger, Yaël Mossé, Lucas Moreno, Meredith S. Irwin, Ramya Ramanujachar, Wendy B. London   +14 more
wiley   +1 more source

A Web Platform Development to Perform Thematic Accuracy Assessment of Sugarcane Mapping in South-Central Brazil

Remote Sensing, 2012
The ability to monitor sugarcane expansion in Brazil, the world’s largest producer and exporter of sugar and second largest producer of ethanol, is important due to its agricultural, economic, strategic and environmental relevance.
Arley Ferreira de Souza, Bernardo Friedrich Theodor Rudorff, Daniel Alves Aguiar, Marcio Pupin Mello, Marcos Adami   +4 more
doaj   +1 more source