نتایج جستجو برای: by independent variables
تعداد نتایج: 7329682 فیلتر نتایج به سال:
Measurement error in the observed values of the variables can greatly change the output of various causal discovery methods. This problem has received much attention in multiple fields, but it is not clear to what extent the causal model for the measurement-error-free variables can be identified in the presence of measurement error with unknown variance. In this paper, we study precise sufficie...
The paper deals with the problem of approximation functions several variables by branched continued fractions. We study correspondence between formal multiple power series and so-called "multidimensional $S$-fraction independent variables". As a result, necessary sufficient conditions for expansion into corresponding multidimensional have been established. Several numerical experiments show eff...
the objective of this work was to develop bioadhesive topical gel of aceclofenac with the help of response-surface approach. experiments were performed according to a 3-level factorial design to evaluate the effects of two independent variables [amount of poloxamer 407 (pl-407 = x1) and hydroxypropylmethyl cellulose k100 m (hpmc = x2)] on the bioadhesive character of gel, rheological property o...
within the components of communicative competence, a special emphasis is put on the “rules of politeness,” specifically the politeness strategies (brown and levinson, 1978) that speakers deploy when performing the request speech act. this is because the degree of imposition that making a request places upon one’s interlocutor(s) has been seen to be influenced by several factors among which, as ...
abstract the variables affecting the nature of reading comprehension can be classified into two general categories: reader’s variables, and text variables (alderson, 2000). despite the wave of research on vocabulary knowledge as reader’s variable, the role of this knowledge in c-test as a text-dependent test and its interaction with lexical cohesion of the test as a text feature has remained a...
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