Circulation Data: Initial Analysis Steve Zweibel CCMSCC 6/14/2010.

Circulation Data:Initial Analysis

Steve Zweibel

CCMSCC

6/14/2010

Purpose

• Compile existing circulation data

• Organize data according to primary categories

• Visualize circulation data by year and month

• Observe changes in circulation patterns

• Explore questions: Who, What , When, Where, Why and How?

https://www1.columbia.edu/sec/cu/libraries/inside/clio/statistics/circulation/xls/circ_all_xls.html

Circ Data Set Categories

• Happening Location: physical (virtual) location of circulation activity

• CLIO Location: owning location of collections

• Patron Group: classification of patron (undergrad, faculty, etc.)

• Charge Type: variety of circulation activity

• Date: FY and month of circulation activity

Questions to Explore

• Who: patron group

• What: CLIO location

• When: date

• Where: happening location

• Why: [not so easy]

• How: charge type

Patron Groups

• GRD- Graduate Students

• IND- Indefinite

• OFF- Officers (Faculty)

• REG- Undergraduates

• VIS- Visitors

Contents

1. Charges

2. Renewals

3. Holds

4. Recalls

5. OPAC Happening Location Details

1. Charges

-3%

0

100000

200000

300000

400000

500000

600000

700000

800000

FY04 FY05 FY06 FY07 FY08 FY09 FY10

Total Charges FY04-FY10

0

50000

100000

150000

200000

250000


Charges to Patrons by Patron Group: From FY04-FY09

GRD IND OFF REG VIS

0

5000

10000

15000

20000

25000

30000

35000

40000Ju

l-03

Aug

-03

Sep-

03O

ct-0

3Nov

-03

Dec

-03

Jan-

04Fe

b-04

Mar

-04

Apr

-04

May

-04

Jun-

04Ju

l-04

Aug

-04

Sep-

04O

ct-0

4Nov

-04

Dec

-04

Jan-

05Fe

b-05

Mar

-05

Apr

-05

May

-05

Jun-

05Ju

l-05

Aug

-05

Sep-

05O

ct-0

5Nov

-05

Dec

-05

Jan-

06Fe

b-06

Mar

-06

Apr

-06

May

-06

Jun-

06Ju

l-06

Aug

-06

Sep-

06O

ct-0

6Nov

-06

Dec

-06

Jan-

07Fe

b-07

Mar

-07

Apr

-07

May

-07

Jun-

07Ju

l-07

Aug

-07

Sep-

07O

ct-0

7Nov

-07

Dec

-07

Jan-

08Fe

b-08

Mar

-08

Apr

-08

May

-08

Jun-

08Ju

l-08

Aug

-08

Sep-

08O

ct-0

8Nov

-08

Dec

-08

Jan-

09Fe

b-09

Mar

-09

Apr

-09

May

-09

Jun-

09Ju

l-09

Aug

-09

Sep-

09O

ct-0

9Nov

-09

Dec

-09

Jan-

10Fe

b-10

Charges by Patron Group: Monthly

GRD IND OFF REG VIS

Comments on Charges

• Decrease in charges

• Stable

• In phase with academic year, early bump for GRD

Comments on Charges

• Large increase in charges by IND

• No change for VIS

• GRD with most charges, but steep decline

• REG no longer most charges, 3rd behind IND and GRD

2. Renewals

0

100000

200000

300000

400000

500000

600000


Total Renewals FY04-FY10

-27%

0

50000

100000

150000

200000

250000


Renewals to Patrons by Patron Group: From FY04-FY09

GRD IND OFF REG VIS

0

5000

10000

15000

20000

25000

30000

35000

40000

45000Ju

l-03

Aug

-03

Sep-

03O

ct-0

3Nov

-03

Dec

-03

Jan-

04Fe

b-04

Mar

-04

Apr

-04

May

-04

Jun-

04Ju

l-04

Aug

-04

Sep-

04O

ct-0

4Nov

-04

Dec

-04

Jan-

05Fe

b-05

Mar

-05

Apr

-05

May

-05

Jun-

05Ju

l-05

Aug

-05

Sep-

05O

ct-0

5Nov

-05

Dec

-05

Jan-

06Fe

b-06

Mar

-06

Apr

-06

May

-06

Jun-

06Ju

l-06

Aug

-06

Sep-

06O

ct-0

6Nov

-06

Dec

-06

Jan-

07Fe

b-07

Mar

-07

Apr

-07

May

-07

Jun-

07Ju

l-07

Aug

-07

Sep-

07O

ct-0

7Nov

-07

Dec

-07

Jan-

08Fe

b-08

Mar

-08

Apr

-08

May

-08

Jun-

08Ju

l-08

Aug

-08

Sep-

08O

ct-0

8Nov

-08

Dec

-08

Jan-

09Fe

b-09

Mar

-09

Apr

-09

May

-09

Jun-

09Ju

l-09

Aug

-09

Sep-

09O

ct-0

9Nov

-09

Dec

-09

Jan-

10Fe

b-10

Renewals by Patron Group: Monthly

GRD IND OFF REG VIS

Comments on Renewals

• Decrease in renewals

• Accelerated decrease after FY07

• In phase with academic year

Comments on Renewals

• REG out of phase until Jan 08

• Large decrease by REGs

• Somewhat smaller decrease by GRD

• OFF and REG were equal, now OFF much higher

• OFF now most renewals, was GRD before

3. Holds

72%

0

1000

2000

3000

4000

5000

6000

7000


Total Holds FY04-FY10

0

500

1000

1500

2000

2500

3000


Holds to Patrons by Patron Group: From FY04-FY09

GRD IND OFF REG VIS

0

50

100

150

200

250

300

350

400

Jul-0

3Aug

-03

Sep-

03O

ct-0

3Nov

-03

Dec

-03

Jan-

04Fe

b-04

Mar

-04

Apr

-04

May

-04

Jun-

04Ju

l-04

Aug

-04

Sep-

04O

ct-0

4Nov

-04

Dec

-04

Jan-

05Fe

b-05

Mar

-05

Apr

-05

May

-05

Jun-

05Ju

l-05

Aug

-05

Sep-

05O

ct-0

5Nov

-05

Dec

-05

Jan-

06Fe

b-06

Mar

-06

Apr

-06

May

-06

Jun-

06Ju

l-06

Aug

-06

Sep-

06O

ct-0

6Nov

-06

Dec

-06

Jan-

07Fe

b-07

Mar

-07

Apr

-07

May

-07

Jun-

07Ju

l-07

Aug

-07

Sep-

07O

ct-0

7Nov

-07

Dec

-07

Jan-

08Fe

b-08

Mar

-08

Apr

-08

May

-08

Jun-

08Ju

l-08

Aug

-08

Sep-

08O

ct-0

8Nov

-08

Dec

-08

Jan-

09Fe

b-09

Mar

-09

Apr

-09

May

-09

Jun-

09Ju

l-09

Aug

-09

Sep-

09O

ct-0

9Nov

-09

Dec

-09

Jan-

10Fe

b-10

Holds by Patron Group: Monthly

GRD IND OFF REG VIS

Comments on Holds

• Increase in holds

• Moderates after FY05

Comments on Holds

• GRDs have large increase followed by decrease

• REG out of phase with academic calendar

• VIS proportionally high

4. Recalls

0

2000

4000

6000

8000

10000

12000

14000


Total Recalls FY04-FY10

52%

0

1000

2000

3000

4000

5000

6000


Recalls to Patrons by Patron Group: From FY04-FY09

GRD IND OFF REG VIS

0

100

200

300

400

500

600

700

800

Jul-0

3Aug

-03

Sep-

03O

ct-0

3Nov

-03

Dec

-03

Jan-

04Fe

b-04

Mar

-04

Apr

-04

May

-04

Jun-

04Ju

l-04

Aug

-04

Sep-

04O

ct-0

4Nov

-04

Dec

-04

Jan-

05Fe

b-05

Mar

-05

Apr

-05

May

-05

Jun-

05Ju

l-05

Aug

-05

Sep-

05O

ct-0

5Nov

-05

Dec

-05

Jan-

06Fe

b-06

Mar

-06

Apr

-06

May

-06

Jun-

06Ju

l-06

Aug

-06

Sep-

06O

ct-0

6Nov

-06

Dec

-06

Jan-

07Fe

b-07

Mar

-07

Apr

-07

May

-07

Jun-

07Ju

l-07

Aug

-07

Sep-

07O

ct-0

7Nov

-07

Dec

-07

Jan-

08Fe

b-08

Mar

-08

Apr

-08

May

-08

Jun-

08Ju

l-08

Aug

-08

Sep-

08O

ct-0

8Nov

-08

Dec

-08

Jan-

09Fe

b-09

Mar

-09

Apr

-09

May

-09

Jun-

09Ju

l-09

Aug

-09

Sep-

09O

ct-0

9Nov

-09

Dec

-09

Jan-

10Fe

b-10

Recalls by Patron Group: Monthly

GRD IND OFF REG VIS

Comments on Recalls

• Increase in Recalls

Comments on Recalls

• Large increase for OFF starting in FY07

• Increase followed my moderation for GRD

• GRD always most recalls, OFF catching up

5. OPAC Happening Location Details

0

1000

2000

3000

4000

5000

6000


Holds: OPAC vs Everywhere Else

OPAC All Other Locations

0

100000

200000

300000

400000

500000

600000


Renewals: OPAC vs Everywhere Else


0

2000

4000

6000

8000

10000

12000


Recalls: OPAC vs Everywhere Else


Comments on OPAC

• Charges do not take place in OPAC happening location

• Majority of Recalls done on OPAC

• Majority of Renewals done on OPAC

• Huge proportion of holds done on OPAC

Circulation Data: Initial Analysis Steve Zweibel CCMSCC 6/14/2010.

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Transcript of Circulation Data: Initial Analysis Steve Zweibel CCMSCC 6/14/2010.