35 research outputs found

    Fungsi Promosi Dalam Meningkatkan Daya Beli Gadget Samsung Di Kota Manado

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    Promosi adalah upaya untuk memberitahukan penawaran produk atau jasa dengan tujuan menarik calon konsumen untuk membeli atau mengkonsumsinya. Dengan adanya promosi produsen atau distributor mengharapkan kenaikan angka penjualannya.Penelitian ini menggunakan teori konsep promosi dengan metode pendekatan secara kualitatif. Hasil penelitian di lapangan menemukan bahwa fungsi promosi dalam meningkatkan daya beli gadget sangat mempengaruhi peningkatan penjualan gadget, dalam persaingan antar gadget yang semakin banyak.Dengan hasil tersebut maka sebagai saran ialah: perlu meningkatkan intensitas promosi produk kepada masyarakat dengan mengoptimalkan semua pendekatan komunikasi, baik personal, kelompok dan media massa modern

    High-dimensional order-free multivariate spatial disease mapping

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    Despite the amount of research on disease mapping in recent years, the use of multivariate models for areal spatial data remains limited due to difficulties in implementation and computational burden. These problems are exacerbated when the number of areas is very large. In this paper, we introduce an order-free multivariate scalable Bayesian modelling approach to smooth mortality (or incidence) risks of several diseases simultaneously. The proposal partitions the spatial domain into smaller subregions, fits multivariate models in each subdivision and obtains the posterior distribution of the relative risks across the entire spatial domain. The approach also provides posterior correlations among the spatial patterns of the diseases in each partition that are combined through a consensus Monte Carlo algorithm to obtain correlations for the whole study region. We implement the proposal using integrated nested Laplace approximations (INLA) in the R package bigDM and use it to jointly analyse colorectal, lung, and stomach cancer mortality data in Spanish municipalities. The new proposal allows for the analysis of large datasets and yields superior results compared to fitting a single multivariate model. Additionally, it facilitates statistical inference through local homogeneous models, which may be more appropriate than a global homogeneous model when dealing with a large number of areas.This work has been supported by the project PID2020-113125RB-I00/MCIN/AEI/10.13039/501100011033. It has also been partially funded by the Public University of Navarra (project PJUPNA2001). Open Access funding provided by Universidad Pública de Navarra

    Age- and sex-specific spatio-temporal patterns of colorectal cancer mortality in Spain (1975-2008)

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    Incluye 2 ficheros de datosIn this paper, space-time patterns of colorectal cancer (CRC) mortality risks are studied by sex and age group (50-69, ≥70) in Spanish provinces during the period 1975-2008. Space-time conditional autoregressive models are used to perform the statistical analyses. A pronounced increase in mortality risk has been observed in males for both age-groups. For males between 50 and 69 years of age, trends seem to stabilize from 2001 onward. In females, trends reflect a more stable pattern during the period in both age groups. However, for the 50-69 years group, risks take an upward trend in the period 2006-2008 after the slight decline observed in the second half of the period. This study offers interesting information regarding CRC mortality distribution among different Spanish provinces that could be used to improve prevention policies and resource allocation in different regions.This research has been supported by the Spanish Ministry of Science and Innovation (project MTM 2011-22664, which is co-funded by FEDER)
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