All Outputs (74)

Minimally invasive ablative techniques in the treatment of breast cancer: a systematic review and meta-analysis (2016)
Journal Article
Peek, M., Ahmed, M., Napoli, A., Usiskin, S., Baker, R., & Douek, M. (2016). Minimally invasive ablative techniques in the treatment of breast cancer: a systematic review and meta-analysis. International Journal of Hyperthermia, 33(2), 191-202. https://doi.org/10.1080/02656736.2016.1230232

Purpose: Breast conserving surgery is effective for breast cancer treatment but is associated
with morbidity in particular high re-excision rates. We performed a systematic review to
assess the current evidence for clinical outcomes with minimally... Read More about Minimally invasive ablative techniques in the treatment of breast cancer: a systematic review and meta-analysis.

An empirical Bayes model for time-varying paired comparisons ratings : who is the greatest women’s tennis player? (2016)
Journal Article
Baker, R., & McHale, I. (2017). An empirical Bayes model for time-varying paired comparisons ratings : who is the greatest women’s tennis player?. European Journal of Operational Research, 258(1), 328-333. https://doi.org/10.1016/j.ejor.2016.08.043

We present a methodology for fitting a time-varying paired comparisons model using an empirical Bayes approach. The model simultaneously avoids two problems that typically arise with paired comparisons data: first, that extreme values of estimated st... Read More about An empirical Bayes model for time-varying paired comparisons ratings : who is the greatest women’s tennis player?.

Predicting creditworthiness in retail banking with limited scoring data (2016)
Journal Article
Abdou, H., Tsafack, M., Ntim, C., & Baker, R. (2016). Predicting creditworthiness in retail banking with limited scoring data. Knowledge-Based Systems, 103, 89-103. https://doi.org/10.1016/j.knosys.2016.03.023

The preoccupation with modelling credit scoring systems including their relevance to predicting and decision making in the financial sector has been with developed countries, whilst developing countries have been largely neglected. The focus of our i... Read More about Predicting creditworthiness in retail banking with limited scoring data.

The compatriot win effect on national sales of a multicountry lottery (2016)
Journal Article
Baker, R., Forrest, D., & Perez, L. (2016). The compatriot win effect on national sales of a multicountry lottery. Journal of the Royal Statistical Society: Series C, 65(4), 603-618. https://doi.org/10.1111/rssc.12143

Euromillions is a lotto game played across nine countries.We examine more than 8
years of sales data for individual states to assess whether a jackpot win in a country increases
subsequent sales in that country.We propose a novel test for the prese... Read More about The compatriot win effect on national sales of a multicountry lottery.

Magnetic sentinel lymph node biopsy in a murine tumour model (2015)
Journal Article
Ahmed, M., Woo, T., Ohashi, K., Suzuki, T., Kaneko, A., Hoshino, A., …Sekino, M. (2015). Magnetic sentinel lymph node biopsy in a murine tumour model. Nanomedicine: Nanotechnology, Biology and Medicine, 12(4), 1045-1052. https://doi.org/10.1016/j.nano.2015.12.366

The magnetic technique for sentinel node biopsy provides a radioisotope-free alternative for staging breast cancer. It requires refinement
to reduce “residual iron content” at injection sites by maximising lymphatic uptake to prevent “void artefacts... Read More about Magnetic sentinel lymph node biopsy in a murine tumour model.

New models for describing outliers in meta-analysis (2015)
Journal Article
Baker, R., & Jackson, D. (2015). New models for describing outliers in meta-analysis. Research Synthesis Methods, 7(3), 314-328. https://doi.org/10.1002/jrsm.1191

An unobserved random effect is often used to describe the between-study variation that is apparent in
meta-analysis datasets. A normally distributed random effect is conventionally used for this purpose. When
outliers or other unusual estimates are... Read More about New models for describing outliers in meta-analysis.

Approximate confidence intervals for moment-based estimators of the between-study variance in random effects meta-analysis (2015)
Journal Article
effects meta-analysis. Research Synthesis Methods, 6(4), 372-382. https://doi.org/10.1002/jrsm.1162

Moment-based estimators of the between-study variance are very popular when performing random effects
meta-analyses. This type of estimation has many advantages including computational and conceptual
simplicity. Furthermore, by using these estimato... Read More about Approximate confidence intervals for moment-based estimators of the between-study variance in random effects meta-analysis.

Deliberations on jury service (2015)
Journal Article
Baker, R. (2015). Deliberations on jury service. Mathematics today, 51(4), 194-185

Mathematical reflections on doing jury duty, emphasizing the probability of being called up for duty, and how improvements could be made. An improved selection method that would avoid some people being called up more than once is discussed.

An empirical Bayes' procedure for ranking players in Ryder Cup golf (2015)
Journal Article
Baker, R., & McHale, I. (2015). An empirical Bayes' procedure for ranking players in Ryder Cup golf. Journal of Applied Statistics, 43(3), 387-395. https://doi.org/10.1080/02664763.2015.1043869

We describe a model to obtain strengths and rankings of players appearing in golf's Ryder Cup. Obtaining rankings is complicated because of two reasons. First, competitors do not compete on an equal number of occasions, with some competitors appearin... Read More about An empirical Bayes' procedure for ranking players in Ryder Cup golf.

Analysing deviation-from-target data : Applying the correct force in Sellick’s maneuver (2015)
Journal Article
Baker, R., Taylor, R., Smurthwaite, G., Kitchen, G., & Mehmood, I. (2015). Analysing deviation-from-target data : Applying the correct force in Sellick’s maneuver. Journal of Biopharmaceutical Statistics, 25(4), 619-634. https://doi.org/10.1080/10543406.2014.920872

The problem of comparing the deviation from a target of two or more treatments or procedures
arises now and again in medicine. Practitioners usually carry out a t-test on a loss
function such as absolute error. We have adapted and developed statist... Read More about Analysing deviation-from-target data : Applying the correct force in Sellick’s maneuver.

A new fast LDI for assessment of burns: a multi-centre clinical evaluation (2014)
Journal Article
Hoeksema, H., Baker, R., Holland, A., Travis, P., Steven, L., Jeffery, J., & Monstrey, S. (2014). A new fast LDI for assessment of burns: a multi-centre clinical evaluation. Burns, 40(7), 1274-1282. https://doi.org/10.1016/j.burns.2014.04.024

INTRODUCTION:

Laser Doppler imaging (LDI) provides early accurate determination of wound healing potential. LDI can scan large areas of up to 2500 cm2 within 2 min. This duration may require additional sedation in a mobile, uncooperative child. In... Read More about A new fast LDI for assessment of burns: a multi-centre clinical evaluation.

Patient attitudes to intensive care and life-sustaining technology (2014)
Journal Article
Tully, R., Kitchen, G., Tufchi, A., Saha, B., & Baker, R. (2014). Patient attitudes to intensive care and life-sustaining technology. Journal of the Intensive Care Society, 15(4), 331-335. https://doi.org/10.1177/175114371401500413

We used a validated questionnaire to explore the views of patients regarding receiving intensive care and life-sustaining technology. Data was obtained from 38 patients. A score was obtained for ‘general attitude towards use of lifesustaining/prolong... Read More about Patient attitudes to intensive care and life-sustaining technology.

Deterministic evolution of strength in multiple comparisons models : Who is the greatest golfer? (2014)
Journal Article
Baker, R., & McHale, I. (2015). Deterministic evolution of strength in multiple comparisons models : Who is the greatest golfer?. Scandinavian Journal of Statistics, 42(1), 180-196. https://doi.org/10.1111/sjos.12101

We present a statistical methodology for fitting time varying rankings, by estimating the strength parameters of the Plackett–Luce multiple comparisons model at regularly
spaced times for each ranked item. We use the little-known method of barycentr... Read More about Deterministic evolution of strength in multiple comparisons models : Who is the greatest golfer?.

Modelling regional lottery sales : methodological issues and a case study from Spain (2014)
Journal Article
and a case study from Spain. Papers in Regional Science, 95(S1), S127-S142. https://doi.org/10.1111/pirs.12118

Sales are modelled for 50 Spanish provinces over 522 draws of a high prize lotto
game.Acrossed random effects model allows for random shocks specific to particular draws and
to particular provinces. The paper explores how demographic and socio-econ... Read More about Modelling regional lottery sales : methodological issues and a case study from Spain.

Time varying ratings in association football : the all-time greatest team is... (2014)
Journal Article
Baker, R., & McHale, I. (2015). Time varying ratings in association football : the all-time greatest team is... Journal of the Royal Statistical Society: Series A, 178(2), 481-492. https://doi.org/10.1111/rssa.12060

We present a new methodology to estimate time varying team strengths of football teams. Our dynamic model allows for deterministic, rather than stochastic, evolution of team
strengths. We use the model to identify the best team in England since the... Read More about Time varying ratings in association football : the all-time greatest team is....

The influence of bait presentation on bait uptake by mice (Mus domesticus) in infested urban domestic dwellings (2014)
Journal Article
Murphy, G., Baker, R., Felix-Thomas, A., & Fowler, M. (2014). The influence of bait presentation on bait uptake by mice (Mus domesticus) in infested urban domestic dwellings. International Journal of Pest Management, 60(1), 22-32. https://doi.org/10.1080/09670874.2014.885613

Several researchers have established a link between the presence of house mouse (Mus domesticus) infestations and detrimental effects on human health. Controlling mouse infestations therefore requires methods that are quick, safe and effective. A tam... Read More about The influence of bait presentation on bait uptake by mice (Mus domesticus) in infested urban domestic dwellings.

Statistical application of barycentric rational interpolants : an alternative to splines (2014)
Journal Article
interpolants : an alternative to splines. Computational Statistics, 29(5), 1065-1081. https://doi.org/10.1007/s00180-014-0480-7

Spline curves, originally developed by numerical analysts for interpolation,
are widely used in statistical work, mainly as regression splines and smoothing
splines. Barycentric rational interpolants have recently been developed by numerical
analy... Read More about Statistical application of barycentric rational interpolants : an alternative to splines.

Endoscopic balloon dilatation of Crohnʼs Disease strictures (2014)
Journal Article
Bhalme, M., Sarkar, S., Lal, S., Bodger, K., Baker, R., & Willert, R. (2014). Endoscopic balloon dilatation of Crohnʼs Disease strictures. Inflammatory Bowel Diseases, 20(2), 265-270. https://doi.org/10.1097/01.MIB.0000439067.76964.53

Introduction: Stricturing is a common complication of Crohn's disease. Endoscopic balloon dilatation (EBD) offers a valuable alternative to surgical intervention, but there are limited data on factors influencing its safety and efficacy.

Methods:... Read More about Endoscopic balloon dilatation of Crohnʼs Disease strictures.

A dynamic paired comparisons model : who is the greatest tennis player? (2014)
Journal Article
Baker, R., & McHale, I. (2014). A dynamic paired comparisons model : who is the greatest tennis player?. European Journal of Operational Research, 236(2), 677-684. https://doi.org/10.1016/j.ejor.2013.12.028

We present a methodology for fitting time-varying paired comparisons models in which the parameters are allowed to vary deterministically, as opposed to stochastically, with time. Our dynamic paired comparisons model is based on a new closed-form for... Read More about A dynamic paired comparisons model : who is the greatest tennis player?.

Optimal betting under parameter uncertainty : improving the Kelly criterion (2013)
Journal Article
Baker, R., & McHale, I. (2013). Optimal betting under parameter uncertainty : improving the Kelly criterion. Decision Analysis, 10(3), 189-199. https://doi.org/10.1287/deca.2013.0271

The Kelly betting criterion ignores uncertainty in the probability of winning the bet and uses an estimated probability. In general, such replacement of population parameters by sample estimates gives poorer out-of-sample than in-sample performance.... Read More about Optimal betting under parameter uncertainty : improving the Kelly criterion.