نتایج جستجو برای: مدل rfm

تعداد نتایج: 120430  

Journal: :Histology and histopathology 2015
Hiroshi Takada Yoko Miwa Iwao Sato

AIMS Myostatin (Mstn) is a member of the transforming growth factor-β (TGF-β) family that inhibits muscle differentiation. In this study, we aimed to identify the relationships between Mstn, thyroid hormone receptor alpha (TRα), and myosin heavy chain (MyHC) isoform expression during early postnatal development. METHODS We investigated the expression of Mstn, TRα, and MyHCs (embryonic, slow, ...

Journal: :Remote Sensing 2018
Zhenling Ma Wei Song Junping Deng Jiali Wang Cancan Cui

Earth observation satellites with various spatial, spectral and temporal resolutions provide an invaluable means for mapping and monitoring the Earth’s environments. With the increasing demand of satellite images for remote and harsh environments and nature disaster areas such as earthquake, flooding, bushfires and other emergent events, quickly geo-positioning those images without using ground...

ژورنال: :فصلنامه علمی-پژوهشی مدیریت بازرگانی 2015
وحید برادران محمد بیگلری

بخش بندی مشتریان و تحلیل رفتار آنها در صنایع تولید و پخش کالاهای پرگردش، با تعداد کثیری از مشتریان متفاوت در نقاط پراکنده، سبب هدفمندشدن فعالیت­های بازاریابی و ارتباط مؤثر آنها با مشتریان می شود. بخش بندی مشتریان از رویکردهای داده کاوی که به کشف گروه های مشابه از مشتریان منجر می شود، عمدتاً براساس متغیرهای تازگی، تکرار و حجم خرید در مدل rfm انجام می شود. کیفیت بخش بندی، به انتخاب مناسب متغیرهای ...

Journal: :FEMS microbiology letters 2015
Wayne L Nicholson Roy Park

Spontaneous rifampicin-resistant (RFM(R)) mutants were isolated from Bacillus subtilis 168 cultivated in the presence or absence of oxygen. By DNA sequencing, the mutations were located within Cluster I of the rpoB gene encoding the β subunit of RNA polymerase. The spectrum of RFM(R) rpoB mutations isolated from B. subtilis cells grown anaerobically differed from aerobically grown cells, not on...

2012
Derya Birant

RFM stands for Recency, Frequency and Monetary value. RFM analysis is a marketing technique used for analyzing customer behavior such as how recently a customer has purchased (recency), how often the customer purchases (frequency), and how much the customer spends (monetary). It is a useful method to improve customer segmentation by dividing customers into various groups for future personalizat...

2006
M. KANKOFER J. LIPKO

The retention of foetal membranes (RFM) is supposed to be related to oxidative stress which can be evaluated through indirect and direct parameters, among others, total antioxidant capacity (TAC) and lipid peroxidation intensity (LPI). Placental samples (maternal and foetal parts) were collected from Holstein-Friesian healthy cows immediately after caesarean section (n = 13, group A) at time or...

2012
Somayeh Yavari Mohammad Javad Valadan Zoej Mehdi Mokhtarzade Ali Mohammadzadeh

Rational Function Models (RFM) are one of the most considerable approaches for spatial information extraction from satellite images especially where there is no access to the sensor parameters. As there is no physical meaning for the terms of RFM, in the conventional solution all the terms are involved in the computational process which causes over-parameterization errors. Thus in this paper, a...

2004
Ron Kohavi Rajesh Parekh

Segmentation based on RFM (Recency, Frequency, and Monetary) has been used for over 50 years by direct marketers to target a subset of their customers, save mailing costs, and improve profits. RFM analysis is commonly performed using the Arthur Hughes method, which bins each of the three RFM attributes independently into five equal frequency bins. The resulting 125 cells are depicted in a tabul...

2006
MICHAŁ KACZMAROWSKI EDWARD MALINOWSKI HANNA MARKIEWICZ

The comparison of some hormonal and biochemical blood indices in healthy cows (C) and cows affected with retained foetal membranes (RFM) or puerperal metritis (PM) was the aim of the study. Blood samples were taken between 12 and 24 h (RFM) or 8-10 d (PM) after calving. The progesterone, 17-β oestradiol, cholesterol, glucose, ketone bodies (KB) and free fatty acids (FFA) levels were similar in ...

2016
Claire M. McCarthy S. Meaney K. O’Donoghue

BACKGROUND The perception of reduced fetal movement (RFM) is an important marker of fetal wellbeing and is associated with poor perinatal outcome (such as intra-uterine death). METHODS We conducted a prospective study of women presenting with RFM over 28 weeks' gestation to a tertiary-level maternity hospital. We examined pregnancy outcomes and compared them to a retrospectively collected con...

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