At Airbnb, R has been amongst the most popular tools for doing data science in many different contexts, including generating product insights, interpreting experiments, and building predictive models. Airbnb supports R usage by creating internal R tools and by creating a community of R users. At the end of the post, the authors provide some specific advice for practitioners who wish to incorpor...

BACKGROUND Various studies have been conducted to determine the causes of drug abuse from a psychological perspective. Mental health has also been among the studied factors. The present study aimed to investigate the relationship between mental health and general self-efficacy beliefs, coping strategies and locus of control in male drug abusers. METHODS This was a correlational descriptive st...

OBJECTIVE To translate the Need for Recovery Scale (NFR) into Brazilian Portuguese and culturally adapt it and assess the stability, internal consistency and convergent validity of the Brazilian scale among industrial workers. METHODS The translation process followed the guidelines for cultural adaptation of questionnaires including the steps of translation, synthesis, back translation, exper...

It is shown that for a metric space (M,d) the following are equivalent: (i) M is a complete R-tree; (ii) M is hyperconvex and has unique metric segments.

The present study tested the clinical efficiency (item grouping, internal consistency of the subscales, construct validity, and clinical feasibility) of a widely used pain assessment system, the Mandarin version of the American Pain Society Patient Outcome Questionnaire (APS-POQ-R-C), in Chinese patients. We also attempted to investigate the current quality of pain management provided in orthop...

PURPOSE The purpose of this study was to develop and validate a new knowledge scale for patients with type 2 diabetes and poor literacy: the Spoken Knowledge in Low Literacy patients with Diabetes (SKILLD). METHODS The authors evaluated the 10-item SKILLD among 217 patients with type 2 diabetes and poor glycemic control at an academic general medicine clinic. Internal reliability was measured...

AIM The study aimed to investigate the relationship among sociodemographic factors, neurocognitive factors, self-esteem, and health locus of control in patients diagnosed with schizophrenia. We examined the self-esteem, internal health locus of control, and external health locus of control through sociodemographic and neurocognitive factors. METHODS Forty-six schizophrenic patients and 31 hea...

Immunology Research Laboratory, The Houston Veterans Administration Medical Center [M. M. C., R. D. R.¡;The Departments of Developmental Therapeutics [K. B. M.] and Laboratory Medicine [J.M. T.], The University of Texas System Cancer Center, The M. D. Anderson Hospital; and the Departments of Microbiology, Immunology, and Internal Medicine [M. M. C., R. D. R.], Baylor College of Medicine, Hous...

A r = magnetic potential vector B = azimuthal magnetic field B r = magnetic field vector C = electromagnetic Chapman-Jouguet speed csound = speed of sound E r = electric field vector e = internal energy H = Hugoniot constant h = enthalpy I = total current J = current density L = energy lost l = characteristic length scale of thruster m = mass of the particle mi = ion mass p = pressure p = total...