Out-of-sample analysis
The short-selling skill of institutions and individuals: a market-wide and out-of-sample analysis
... second analysis of P S-short-sellers ability in opening a short position, we relate their trading activity to past movements of stock ...incorporation of negative information into stock ...
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STICSA: psychometric analysis in a sample of Portuguese university students
... methods of learning and teaching, and moving out from parents house and hometown), new social relationships (implying the integration to the new social context ...time, of “childhood” relationships. ...
46
Getting the most out of RNA-seq data analysis
... likelihood of being validated, provided that the underlying biological effect size is ...combinations of sample pairs, as we found out in the present ...validation of DEG candidates is ...
20
Judging statistical models of individual decision making under risk using in- and out-of-sample criteria.
... subset of the data collected in the experiment. Data analysis of the full dataset with a different research focus is reported in ...formats of risk preference elicita- tion ...chance of ...
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Out of sample value-at-risk and backtesting with the standardized pearson type-IV skewed distribution
... aim of this paper is to reconsider the Value-at-Risk where the volatility clustering and returns are modelled via a typical GARCH (1,1) model, and the inno- vations process follows a standardized form of ...
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Scientific Notes Interference of sample size on multicollinearity diagnosis in path analysis
... carried out in a greenhouse in the spring-summer of 2014 growing ...fruit of 347 plants were harvested and, from them, the following agronomic traits were obtained: average fruit length per plant ...
5
REDUCTION OF SAMPLE SIZE IN THE ANALYSIS OF SPATIAL VARIABILITY OF NONSTATIONARY SOIL CHEMICAL ATTRIBUTES
... existence of anisotropy using the non-parametric test of Maity & Sherman (2012) (MS) was evaluated at 5% significance ...models of the semivariance function were estimated by the maximum ...
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Development of new sample preparation techniques for the analysis of volatiles in solid and liquid samples
... Na preparação de amostra para líquidos, uma das técnicas que foi utilizada foi a microextração por difusão gasosa (GDME). Esta técnica baseia-se na extração de compostos voláteis e semi-voláteis de uma amostra, por ...
199
Application of bias correction methods to improve U3Si2 sample preparation for quantitative analysis by WDXRF
... 19.9% of 235 U) powder samples by wavelength dispersion X-ray fluorescence (WDXRF) is carried out by a validated procedure at IPEN’s X-Ray Fluorescence Laboratory (IPEN-CNEN/SP) in São Paulo, Brazil ...
9
Analysis of the frequency of biological sample recollections as quality indicators in a clinical laboratory of Distrito Federal, Brazil
... carried out in India, the outpatient department had the lowest percentage of errors in relation to other sectors of the ...laboratory of the current study also presented low error rates, and ...
7
Microsatellite analysis of a sample of Uruguayan Creole bulls (Bos taurus)
... consists of a herd of about 600 animals (bulls, cows and calves) lo- cated in an indigenous habitat of 650 ...random sample from this herd showed high heterozygosity and a Hardy-Weinberg ...
6
Population and mutation analysis of Y-STR loci in a sample from the city of São Paulo (Brazil)
... size analysis was performed using the GeneScan ...microliters of the amplification products were mixed with 24 µL of Hi-Di Formamide (Applied Biosystems), 1 µL of the size stan- dard TAMRA-350 ...
12
Exploratory factor analysis of Kenny Music Performance Anxiety Inventory (K-MPAI) in a Brazilian musician sample
... study of K-MPAI’s construct valid- ity, by means of an exploratory factor analysis of this ...some of the theoretical aspects pointed out in the literature as important ...
4
Analysis of organic contaminants in water intended for human consumption – analysis by GC-MS with different sample preparation techniques (LLE and SPE)
... consistency of analytical results, which are the base of any good analytical practice ...carries out the analysis has the responsibility to justify trust of the analytical ...purpose ...
138
Out of sight but not out of mind: alternative means of communication in plants.
... our sample size to a total of 3,600 chilli seeds which were randomly apportioned among 3 of the original 5 treatments ...statistical analysis section below. The experimen- tal units consisted ...
9
Oral Cancer: Socio-Spatial Analysis of a Brazilian Sample
... features of oral cancer and analyze the spatial distribution of the disease in relation to the neighborhood socioeconomic status including availability of health care ...analyses of all ...
9
Shedding Light on the Role of Sample Sizes and Splitting Proportions in Out-of-Sample Tests: A Monte Carlo Cross-Validation Approach
... proportions of randomized samples and calculate different performance ...size of the training sample and thus decrease the size of the test ...assessment of our second research ...
15
Patients’ out-of-pocket expenses analysis of presurgical teledermatology
... (PCP) of 24 health dis- tricts with the hospital’s dermatology department via the corporate intranet of the Portuguese healthcare ...triage of patients and the management of patient referral ...
8
Considerations on the application of miniaturized sample preparation approaches for the analysis of organic compounds in environmental matrices
... miniaturization of conventional sample pretreatment techniques, ...improvement of analytical aspects that affect the overall performance of an analytical method, such as potentially high ...
17
Comparative studies of the sample decomposition of green and roasted coffee for determination of nutrients and data exploratory analysis
... contents of some nutrients in 35 Brazilian green and roasted coffee samples were determined by flame atomic absorption spectrometry (Ca, Mg, Fe, Cu, Mn, and Zn), flame atomic emission photometry (Na and K) and ...
10