How to merge data in stata

This is part eight of the Stata for Researchers series. For a list of topics covered by this series, see the Introduction. If you're new to Stata we highly recommend reading the articles in order. Combining two data sets is a common data management task, and one that's very easy to carry out. However, it's also very easy to get wrong.

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How to become a faster skater

Exerting maximal force in minimal time is having explosive strength and being explosive is essential in just about every sport. Training exercises to increase vertical jumping include plyometrics consisting of quick, explosive movements designed to increase speed and power. Drills on how to jump higher maximize muscle contraction by strengthening the fast-twitch muscle fibers that convert strength into speed. When an athlete can increase the strength of the tendons they not only help with reducing injury but also can be more explosive. Below are 8 great drills to increase vertical jump to be more explosive. These drills can be used to increase an athlete's vertical jump for basketball, jump higher in volleyball, run faster in track, change direction faster in football or be a more explosive athlete.

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How to unjam a kitchen drawer

A stuck drawer is right up in the top three most frustrating everyday problems, along with tangled headphone cords and toast landing butter-side down. Unlike those other problems, you can usually fix a jammed dresser drawer for good with a little effort and some basic tools. Using WD on wood drawers helps protect them from moisture and remove stains, but it will not lubricate them. In fact, it's a degreaser and water repellent.

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How to play rabab instrument

Frets on the viol are usually made of gut, tied on the fingerboard around the instrument's neck, to enable the performer to stop the strings more cleanly. Frets improve consistency of intonation and lend the stopped notes a tone that better matches the open strings. Viols first appeared in Spain in the mid to late 15th century and were most popular in the Renaissance [2] and Baroque - periods. Although bass viols superficially resemble cellos , viols are different in numerous respects from instruments of the violin family : the viol family has flat rather than curved backs, sloped rather than rounded shoulders, c holes rather than f holes , and five to seven rather than four strings; some of the many additional differences are tuning strategy in fourths with a third in the middle-similar to a lute-rather than in fifths , the presence of frets , and underhand "German" rather than overhand "French" bow grip.

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What can i study in college

For full details, please click here. College offers you many academic freedoms. You can cultivate existing passions and explore new interests-and find a major that will put you on the career path you want. Whatever major you choose, don't pick based on the courses that come easiest to you, or what your friends are studying, because you'll be cheating yourself out of some great opportunities and self-discovery.

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