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Does Systematic Sampling Preserve Granger Causality with an Application to High Frequency Financial Data? [PDF]
In applied econometric literature, the causal inferences are often made based on temporally aggregated or systematically sampled data. A number of studies document that temporal aggregation has distorting effects on causal inference and systematic ...
Gulasekaran Rajaguru +2 more
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A modified version of diagonal systematic sampling in the presence of linear trend. [PDF]
Systematic sampling is one of the simplest and popular methods for selecting a random sample from a finite population. The diagonal systematic sampling scheme is a type of systematic sampling design which has gained the attention of researchers during ...
Muhammad Azeem
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An improved version of systematic sampling design for use with linear trend data [PDF]
In survey sampling, systematic sampling design has attracted survey researchers in recent years due to its simplicity of use. We introduce a modified variant of systematic sampling scheme which improves the efficiency of a recently developed diagonal ...
Muhammad Azeem +4 more
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The study of tardigrade diversity in Mexico is at early stage of development, to date, 56 extant species have been reported. To identify the tardigrade fauna associated with mosses in the Iztaccíhuatl volcano, we performed a systematic sampling along an ...
Alba Dueñas-Cedillo +4 more
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Sentiment analysis is a method used to analyze opinions and feelings. The goal of sentiment analysis is to determine whether a document contains a positive or negative emotion.
Rahmatin Nur Amalia +2 more
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The various efforts done to promote conservation agriculture (CA) in the Sub-Saharan Africa and the Republic of South Africa have diminished over time.
Nkonki-Mandleni Busisiwe +2 more
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Modified Systematic Sampling with Multiple Random Starts
Systematic sampling has been facing two problems since its beginning; situational complications, e.g., population size N not being a multiple of the sample size n, and unavailability of unbiased estimators of population variance for all possible ...
Sat Gupta , Zaheen Khan , Javid Shabbir
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The detection of Zika virus (ZIKV) in immunoprivileged anatomical sites, potential sites for viral persistence, may guide the confirmation of undefined cases of ZIKV infection and also bring to light unknown pathways of viral transmission.
Emanuella Meneses Venceslau +39 more
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