Predicting Academic Library Circulations: A Forecasting Methods Competition.

Fuente: ERIC Institute of Education Sciences

Saved in:

Bibliographic Details
Main Authors:	Brooks, Terrence A., Forys, John W., Jr.
Format:	Recurso educativo Open Access
Language:	en
Published:	1984
Subjects:	Academic Libraries Goodness of Fit Higher Education Library Circulation Mathematical Models Prediction Predictive Measurement Statistical Data
Online Access:	Acceder al recurso
Tags:	Add Tag No Tags, Be the first to tag this record!

Using the Gamma-Poisson Model to Predict Library Circulations.
by: Burrell, Quentin L.
Published: (1990)

Using Time-Series Regression to Predict Academic Library Circulations.
by: Brooks, Terrence A.
Published: (1984)

Smoothing Forecasting Methods for Academic Library Circulations: An Evaluation and Recommendation.
by: Brooks, Terrence A., et al.
Published: (1986)

Naive vs. Sophisticated Methods of Forecasting Public Library Circulations.
by: Brooks, Terrence A.
Published: (1984)

A Simple Empirical Method for Predicting Library Circulations.
by: Burrell, Quentin L.
Published: (1988)

A Bivariate Model to Predict Library Circulation.
by: Barr, Aiala, et al.
Published: (1991)

A Third Note on Ageing in a Library Circulation Model: Applications to Future Use and Relegation.
by: Burrell, Quentin L.
Published: (1987)

Forecasting Techniques and Library Circulation Operations: Implications for Management.
by: Ahiakwo, Okechukwu N.
Published: (1988)

Approaches to Forecasting Demands for Library Network Services. Report No. 10.
by: Kang, Jong Hoa
Published: (1979)

A Simple Stochastic Model for Library Loans.
by: Burell, Quentin
Published: (1980)

Predicting Graduate Library School Performance Using a Probabilistic Retrieval Model.
by: Bookstein, Abraham, et al.
Published: (1986)

Forecasting Academic Library Growth
by: Drake, Miriam A.
Published: (1976)

Predicting Book Fund Expenditures: A Statistical Model.
by: Sauer, Tim
Published: (1978)

University Libraries: Standards and Statistics.
by: Stubbs, Kendon
Published: (1981)

Using a Gravity Model to Predict Circulation in a Public Library System.
by: Ottensmann, John R.
Published: (1995)

Global Least-Squares Analysis of the IR Rotation-Vibration Spectrum of HCI
by: Tellinghuisen, Joel
Published: (2005)

A Review of Futures Research in Librarianship.
by: Morrison, Elizabeth
Published: (1980)

Library Book Circulation and the Beta-Binomial Distribution.
by: Gelman, E., et al.
Published: (1987)

Predictors of Interlibrary Loan Turnaround Times.
by: Hert, Carol Anne
Published: (1987)

High Efficiency Inventorying through Predictive Data.
by: Kohl, David F.
Published: (1982)

Library Skills, Study Habits and Attitudes, and Sex as Related to Academic Achievement
by: Corlett, Donna
Published: (1974)

Testing for Markov-Chain Properties in the Circulation of Social-Science Monographs.
by: Coady, Reginald P.
Published: (1984)

Patterns, Processes of Growth, and the Projection of Library Size: A Critical Review of the Literature on Academic Library Growth.
by: Molyneux, Robert E.
Published: (1986)

A Model for Library Book Circulations Incorporating Loan Periods.
by: Burrell, Quentin L., et al.
Published: (1994)

The Effect of Parameter Uncertainties on the Prediction of a Library Network Model
by: Rouse, William B., et al.
Published: (1978)

Research Library Trends, 1951-1980 and Beyond: An Update of Purdue's "Past and Likely Future of 58 Research Libraries."
by: Seibert, Warren F., et al.
Published: (1988)

Academic Library Performance Measures and Undergraduates' Library Use and Educational Outcomes.
by: Whitmire, Ethelene
Published: (2002)

Looking Back: Implementation of AACR2.
by: Taylor, Arlene G., et al.
Published: (1986)

Beyond the Computer.
by: Wilkinson, John
Published: (1984)

CD-ROM Down Under: A Delphi Study of CD-ROM in Australian Academic and Special Libraries.
by: Stocks, Jenny
Published: (1990)

Technology and the Post-Industrial Society: The Academic Library in the 1980s and Beyond.
by: Turock, Betty J.
Published: (1984)

A Trend Analysis of Volumes Added to the ARL Libraries.
by: Wang, Chih
Published: (1985)

The University Library in the Twenty-First Century.
by: Hendrick, Clyde
Published: (1986)

Confidence Bands for the Survival Function Using a Weibull Regression Model in Presence of Arbitrary Censoring
by: Mario César Jaramillo Elorza
Published: (2017)

Information in a Data Collection: Models of Database and Library Quality.
by: Losee, Robert M., Jr.
Published: (1990)

An Application of the Cobb-Douglas Model to the Association of Research Libraries.
by: Hayes, Robert M, et al.
Published: (1983)

1985 to 1995: The Next Decade in Academic Librarianship, Part I.
by: Veaner, Allen B.
Published: (1985)

Forecasting Library Futures: Participative Decisionmaking with a Microcomputer Model. Background Paper. Workshop 3.
by: Mason, Thomas R., et al.
Published: (1983)

Optimizing Selection of Library School Students.
by: Blue, Richard I., et al.
Published: (1977)

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'

Environment & details:

GET Data empty

POST Data empty

Files empty

Key	Value
VUFIND_SESSION	"eb219d1442756cccc8af9e9a84425c21"
ui	"standard"
language	"en"

Session

Key	Value
__Laminas	array:2 [`"_REQUEST_ACCESS_TIME" => 1789102173.9185 "_VALID" => array:1 [ "Laminas\Session\Validator\Id" => "eb219d1442756cccc8af9e9a84425c21" ]`]
SessionState	Laminas\Stdlib\ArrayObject {#938}
FlashMessenger	Laminas\Stdlib\ArrayObject {#1455}
SessionHelper	Laminas\Stdlib\ArrayObject {#1782}

Server/Request Data

Key	Value
REDIRECT_VUFIND_LOCAL_DIR	"/usr/local/vufind/local"
REDIRECT_HTTPS	"on"
REDIRECT_SSL_TLS_SNI	"info.umar.mx"
REDIRECT_STATUS	"200"
VUFIND_LOCAL_DIR	"/usr/local/vufind/local"
HTTPS	"on"
SSL_TLS_SNI	"info.umar.mx"
HTTP_ACCEPT	"/"
HTTP_USER_AGENT	"Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)"
HTTP_COOKIE	"VUFIND_SESSION=eb219d1442756cccc8af9e9a84425c21; ui=standard; language=en"
HTTP_ACCEPT_ENCODING	"gzip, br, zstd, deflate"
HTTP_HOST	"info.umar.mx"
PATH	"/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/snap/bin"
SERVER_SIGNATURE	"<address>Apache/2.4.66 (Ubuntu) Server at info.umar.mx Port 443</address>\n"
SERVER_SOFTWARE	"Apache/2.4.66 (Ubuntu)"
SERVER_NAME	"info.umar.mx"
SERVER_ADDR	"200.23.222.19"
SERVER_PORT	"443"
REMOTE_ADDR	"216.73.216.170"
DOCUMENT_ROOT	"/usr/local/vufind/public"
REQUEST_SCHEME	"https"
CONTEXT_PREFIX	""
CONTEXT_DOCUMENT_ROOT	"/usr/local/vufind/public"
SERVER_ADMIN	"admin@localhost"
SCRIPT_FILENAME	"/usr/local/vufind/public/index.php"
REMOTE_PORT	"11852"
REDIRECT_URL	"/Record/eric_ED243489/Similar"
GATEWAY_INTERFACE	"CGI/1.1"
SERVER_PROTOCOL	"HTTP/1.1"
REQUEST_METHOD	"GET"
QUERY_STRING	""
REQUEST_URI	"/Record/eric_ED243489/Similar"
SCRIPT_NAME	"/index.php"
PHP_SELF	"/index.php"
REQUEST_TIME_FLOAT	1789102173.9058
REQUEST_TIME	1789102173

Environment Variables empty

Registered Handlers

0. Whoops\Handler\PrettyPageHandler

Environment & details:

GET Data empty

POST Data empty

Files empty

Key	Value
VUFIND_SESSION	"eb219d1442756cccc8af9e9a84425c21"
ui	"standard"
language	"en"

Session

Key	Value
__Laminas	array:2 [`"_REQUEST_ACCESS_TIME" => 1789102173.9185 "_VALID" => array:1 [ "Laminas\Session\Validator\Id" => "eb219d1442756cccc8af9e9a84425c21" ]`]
SessionState	Laminas\Stdlib\ArrayObject {#938}
FlashMessenger	Laminas\Stdlib\ArrayObject {#1455}
SessionHelper	Laminas\Stdlib\ArrayObject {#1782}

Server/Request Data

Key	Value
REDIRECT_VUFIND_LOCAL_DIR	"/usr/local/vufind/local"
REDIRECT_HTTPS	"on"
REDIRECT_SSL_TLS_SNI	"info.umar.mx"
REDIRECT_STATUS	"200"
VUFIND_LOCAL_DIR	"/usr/local/vufind/local"
HTTPS	"on"
SSL_TLS_SNI	"info.umar.mx"
HTTP_ACCEPT	"/"
HTTP_USER_AGENT	"Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)"
HTTP_COOKIE	"VUFIND_SESSION=eb219d1442756cccc8af9e9a84425c21; ui=standard; language=en"
HTTP_ACCEPT_ENCODING	"gzip, br, zstd, deflate"
HTTP_HOST	"info.umar.mx"
PATH	"/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/snap/bin"
SERVER_SIGNATURE	"<address>Apache/2.4.66 (Ubuntu) Server at info.umar.mx Port 443</address>\n"
SERVER_SOFTWARE	"Apache/2.4.66 (Ubuntu)"
SERVER_NAME	"info.umar.mx"
SERVER_ADDR	"200.23.222.19"
SERVER_PORT	"443"
REMOTE_ADDR	"216.73.216.170"
DOCUMENT_ROOT	"/usr/local/vufind/public"
REQUEST_SCHEME	"https"
CONTEXT_PREFIX	""
CONTEXT_DOCUMENT_ROOT	"/usr/local/vufind/public"
SERVER_ADMIN	"admin@localhost"
SCRIPT_FILENAME	"/usr/local/vufind/public/index.php"
REMOTE_PORT	"11852"
REDIRECT_URL	"/Record/eric_ED243489/Similar"
GATEWAY_INTERFACE	"CGI/1.1"
SERVER_PROTOCOL	"HTTP/1.1"
REQUEST_METHOD	"GET"
QUERY_STRING	""
REQUEST_URI	"/Record/eric_ED243489/Similar"
SCRIPT_NAME	"/index.php"
PHP_SELF	"/index.php"
REQUEST_TIME_FLOAT	1789102173.9058
REQUEST_TIME	1789102173

Environment Variables empty

Registered Handlers

0. Whoops\Handler\PrettyPageHandler

Similar Items

Similar Items

Environment & details:

Environment & details: