Chemometrics is defined as the use of statistical and mathematical techniques to analyze chemical data, which are transformed into information used for decision making. This book is written for analytical chemists who must use several chemometric techniques to solve problems. The authors offer a balance between the theoretical and practical aspects of chemometrics.The chapters outline a recommended process for solving problems. Obviously an analytical chemist must define the problem before devising a strategy to solve it. The authors then discuss preprocessing which is the mathematical manipulation of data prior to the primary analysis. The next chapter shows how to examine the computer output with the goal of validating the model. The book concludes with a detailed discussion of multivariate calibration and prediction.The authors provide chapter summaries and bibliographies. This book is highly recommended for collections in analytical chemistry in academic and special libraries.
This article reviews the research literature of three major journals in reference librarianship. The texts of 494 articles were analyzed and classified as research versus nonresearch. Articles such as news, commentary, book reviews, editorials, meeting announcements, and opinion pieces were excluded from the analysis. A total number of 162 (30.49%) articles were determined to be research articles and were examined to collect data on numerous variables including but not limited to authorship, affiliation, topic, type of research, data collection, and data analysis techniques.
The purpose of this article is to present a bibliometric analysis and a comparison of two journals that cover all aspects of STEM librarianship: ISTL (Issues in Science & Technology Librarianship) and STL (Science & Technology Libraries). A recent 10 years of publications were selected to report many variables that describe and compare the bibliometric indicators of the publications and bibliographies. Each issue of these journals published from 2005 to 2014 were carefully examined, and nonresearch articles such as reviews, editorial boards, opinions, and columns were excluded from the study. A total of 338 research articles; 163 from STL and 175 from ISTL, have been analyzed. Findings presented a wide range of data such as subject coverage, nature of authorship, number and format distribution of the bibliographic citations, affiliations of the authors, etc. It is hoped that this bibliometric study will provide a concise review of these two STEM LIS journals as well as in-depth analysis of the research articles being published. The results are particularly relevant to those prospective first-time authors of forthcoming research articles submitted to STL and ISTL.
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