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Detalles Bibliográficos
Autor principal:	Clemente Rodríguez Sabiote
Formato:	Artículo científico
Lenguaje:	es
Publicado:	Universidad Pedagógica Experimental Libertador 2007
Materias:	Educación estadística probabilidad modelos de regresión variables predictivas
Acceso en línea:	https://www.redalyc.org/articulo.oa?id=65822105
Etiquetas:	Agregar Etiqueta Sin Etiquetas, Sea el primero en etiquetar este registro!

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Empleo de modelos de regresión logística binomial para el estudio de variables determinantes en la inserción laboral de egresados universitarios Clemente Rodríguez Sabiote José Gutiérrez Pérez Educación estadística probabilidad modelos de regresión variables predictivas El objetivo fundamental de este estudio es evaluar la probabilidadestadística que un conjunto de variables predictivas (titulaciónuniversitaria, género y residencia de los titulados, así como formacióncomplementaria de los mismos) ejercen sobre una colección devariables (criterio, empleo actual y pasado, tiempo en encontrar elprimer empleo, así como salario mensual de los egresados). Para estefi n, se ha implementado un estudio de encuesta mediante una estrategiamixta (postal y telefónica), cuyos datos han sido sometidos al cálculode la regresión logística binomial en cuatro modelos distintos. De losresultados obtenidos se puede afi rmar que la variable titulación se harevelado como la más determinante en, al menos, dos de ellos (tasa deempleo y colocación). El resto de variables predictivas no han resultadodeterminantes. 2007 artículo científico 1316-0087 https://www.redalyc.org/articulo.oa?id=65822105 es http://www.redalyc.org/revista.oa?id=658 Investigación y Postgrado application/pdf Universidad Pedagógica Experimental Libertador Investigación y Postgrado (República Bolivariana de Venezuela) Num.1 Vol.22

if (filemtime($filename) + $maxlifetime < time()) { unlink($filename); $count++; } } return $count; } /** * A function that is called internally when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ protected function saveSession($sessId, $data): bool { $sessFile = $this->path . '/sess_' . $sessId; if ($handle = fopen($sessFile, 'w')) { $return = false; // Lock the file for exclusive access to avoid issues with multiple // processes writing session simultaneously: if (flock($handle, LOCK_EX)) { $return = fwrite($handle, $data); // Make sure that there's no trailing data by truncating the file to // the correct length: ftruncate($handle, strlen($data)); fflush($handle); flock($handle, LOCK_UN); } fclose($handle); if ($return !== false) { return true; } } // If we got this far, something went wrong with the file output... // It is tempting to throw an exception here, but this code is called // outside of the context of exception handling, so all we can do is // echo a message.

// Anecdotal testing Today and Yesterday seems to indicate destroy() // is called by the garbage collector and everything is good. // Something to keep in mind though. return 0; } /** * Write function that is called when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ public function write($sessId, $data): bool { if ($this->writesDisabled) { return true; } return $this->saveSession($sessId, $data); } /** * A function that is called internally when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ abstract protected function saveSession($sessId, $data): bool; }

* * @return void */ public function writeClose() { // The assumption is that we're using PHP's ext/session. // session_write_close() will actually overwrite $_SESSION with an // empty array on completion -- which leads to a mismatch between what // is in the storage object and $_SESSION. To get around this, we // temporarily reset $_SESSION to an array, and then re-link it to // the storage object. // // Additionally, while you _can_ write to $_SESSION following a // session_write_close() operation, no changes made to it will be // flushed to the session handler. As such, we now mark the storage // object isImmutable. $storage = $this->getStorage(); if (! $storage->isImmutable()) { $_SESSION = $storage->toArray(true); session_write_close(); $storage->fromArray($_SESSION); $storage->markImmutable(); } } /** * Attempt to set the session name * * If the session has already been started, or if the name provided fails * validation, an exception will be raised. * * @param string $name * @return SessionManager * @throws Exception\InvalidArgumentException */ public function setName($name) { if ($this->sessionExists()) { throw new Exception\InvalidArgumentException( 'Cannot set session name after a session has already started'

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