منابع مشابه
Speaking Stata: Graphing distributions
Graphing univariate distributions is central to both statistical graphics, in general, and Stata’s graphics, in particular. Now that Stata 8 is out, a review of official and user-written commands is timely. The emphasis here is on going beyond what is obviously and readily available, with pointers to minor and major trickery and various user-written commands. For plotting histogram-like display...
متن کاملSpeaking Stata: Problems with tables, Part I
Tables in some form or another are part and parcel of data management and analysis. The main general-purpose tabulation commands, tabulate, table, and tabstat, are reviewed and compared. When these do not provide a tabulation solution, one key strategy is to prepare the material for tabulation as a set of variables, after which the table itself can be presented with tabdisp or list. This is the...
متن کاملSpeaking Stata: Graphing categorical and compositional data
Abstract. A variety of graphs have been devised for categorical and compositional data, ranging from widely familiar to more unusual displays. Both official Stata commands and user-written programs are available. After a stacking trick for binary responses is explained, bar charts and related displays for cross-tabulations are discussed in detail. Tips and tricks are introduced for plotting cum...
متن کاملA Drug for All Seasons
Fluoroquinolones have become one of the mainstays of antibacterial therapy, regarded as a major antimicrobial class, with efficacy against a wide range of important pathogens. And among the fluoroquinolones, levofloxacin continues to stand out as one, if not the, most important fluoroquinolone. While the history of these agents first started in 1962 with the development of nalidixic acid, it wa...
متن کاملWheat gene for all seasons.
Diverse seasonal flowering behaviors drive global adaption of bread wheat (Triticum aestivum), the major crop grown in temperate zones worldwide. Many wheats are sown in autumn and flower only after experiencing the prolonged cold of winter (vernalization). By delaying flowering until spring, the requirement for vernalization minimizes the risk that frost-sensitive flowers and developing grain ...
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ژورنال
عنوان ژورنال: The Stata Journal: Promoting communications on statistics and Stata
سال: 2006
ISSN: 1536-867X,1536-8734
DOI: 10.1177/1536867x0600600309