By Lawrence C. Hamilton
For college kids and practising researchers alike, information WITH STATA model 12 opens the door to the total use of the preferred Stata program--a quickly, versatile, and easy-to-use surroundings for info administration and records research. Integrating Stata's remarkable pics, this entire booklet offers hundreds and hundreds of examples displaying how one can practice Stata to complete a large choice of initiatives. Like Stata itself, statistics WITH STATA will make it more straightforward that you should circulation fluidly in the course of the global of contemporary info research.
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Extra resources for Statistics with STATA: Version 12
Order place unemp mlife flife pop The Data Editor also offers a Tools menu with choices that can perform these operations. We can restrict the Data Editor beforehand to work only with certain variables, in a specified order, or with a specified range of values. For example, . edit place mlife flife or . edit place unemp if pop > 100 The last example employs an if qualifier, an important tool described in later sections. Creating a New Dataset by Copy and Paste When the original data source is electronic, such as a web page, text file, spreadsheet or word processor document, we can bring these data into Stata by copy and paste.
These can be valuable for subsequent calculations or programming. To see a complete list of the names and values currently saved, type return list. In this example, saved values named r(N), r(sum_w), r(mean), and so forth describe the most recent summarize results for extent. 87430191040e-07 Stata also provides another variable-creation command, egen (extensions to generate), which has its own set of functions to accomplish tasks not easily done by generate. These include such things as creating new variables from the sums, maxima, minima, medians, interquartile ranges, standardized values, ranks or moving averages of existing variables or expressions.
To convert dollars to thousands of dollars, we divide all values by 1,000: . replace income = income/1000 Copyright 2012 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part. Due to electronic rights, some third party content may be suppressed from the eBook and/or eChapter(s). Editorial review has deemed that any suppressed content does not materially affect the overall learning experience. Cengage Learning reserves the right to remove additional content at any time if subsequent rights restrictions require it.
Statistics with STATA: Version 12 by Lawrence C. Hamilton