1. PSYCHO-INFORMATICS
APPROACH IN PSYCHIATRIC
CLASSIFICATIONS
Debdulal Dutta Roy, Ph.D.
Psychology Research Unit
INDIAN STATISTICAL INSTITUTE, KOLKATA
National Workshop on “ Psycho-informatics : Model
for Measuring Randomized Psychological and
Educational Data”
11-12th March, 2013
th
Web: www.isical.ac.in/~ddroy

2. China, Japan and Latin American countries have
own Psychiatric diagnostic classification systems.
Does India need own ?
Do the Indian Psychiatrists find difficulty to make
distinct classifications ?
What complaints are used by Indian Psychiatrists
for classifications of psychiatric disorders ?
BACKGROUND

3. Previous psychiatric case history
records of the department of
psychiatry of one post graduate
hospital. Here data are random,
non-hypothesized and least
structured.
DATA WAREHOUSE

4. Individual case wise all
complaints and diagnostic
classifications are retrieved.
There were 20 complaints and
18 classifications
DATA RETRIEVING

5. All the complaints were coded
with 1,0 and Burt table was
constructed.
Burt table data were used in
Correspondence analysis.
DATA MINING

6. Correspondence analysis provides
correspondence map
Correspondence map reveals
extent of similarities and
dissimilarities among the complaints,
diagnostic classifications and
between the two.
PATTERN RECOGNITION :

7. C o r r e s p o n d e n c e m a p o f p s y c h i a t r i c c la s s i f i c a t i o n a n d c o m p la i n t s
In p u t T a b le ( R o w s x C o lu m n s ) : 5 4 x 5 4 ( B u r t T a b le )
Dimension 2; Eigenvalue: .11454 (11.45% of Inertia)
1 .5
P S Y D E P C L :1
E M W D L C M P :1 B L U A F C M EP U: 1D E P C L : 1
N
1 .0
D E P M D C G UP I:L1 T C M P : 1
M
A N X C TM E PN : S C M P : 0
0
0 .5 C O N D O C M P :1
S CH HA I Z C UL S S:M1U PS : P I C M P : 1
LL C 1
U N T H C C EM XPC : I1T C M P : 1 AOMN A DC AC SMS:I 0N 0 D0 L : P
X L
C SOP CDNT DEO C L LPS: S 0 T:
S OHPMYC TANMRGVCBCRLCNACLSHS:CLSOC:0:0SC0SM C 0SM : O0P M: 0 A T C O M : 1
H O H C L :0 :
H O S T C M P :1 P E S MY W CED OPL N D :OP C:E0MXS UPCN:AT0TLI HMSC PUC SSM :P0P I :C00 M P : 0
D C L
CM 0 C I H C Z C LC : M P :
H LU 0
0 .0 S O M A T C O M :0
G U IL T C M P : 0
N E PU DD DE CP L CS L: :1 0 S O M A T C L S :1
D E P M D C B LP U : 0 F C M P : 0
M A
- 0 .5 G R A N D C M P :1 A N XC M P :1
M A N IC C L S : 1 S T R E C L S :1 T E N S C M H PY : 1 H O C L S : 1
C
C O N V C L S :1
- 1 .0 M A N C M P :1
P H A O N BX CC LL SS :S: 11: 1
O C DCL
- 1 .5
- 2 .0
-2 .0 - 1 .5 -1 .0 -0 .5 0 .0 0 .5 1 .0 1 .5
D i m e n s i o n 1 ; E i g e n v a lu e : . 2 2 7 7 2 ( 2 2 . 7 7 % o f In e r t i a )
CORRESPONDENCE MAP

8. Psychiatrists find difficulty to
classify some symptoms distinctly.
This suggests need for creating
Indian system of psychiatric
classifications.
Psychiatric classifications should
cover symptom dynamics and the
etiology.
DISCOVERY OF KNOWLEDGE

9. Dr. Uday Sankar Mandal of IPGMR. I was
co-guide of his MD dissertation titled
“Mapping of Psychiatric Symptoms
Across Different Demographic
Groups: An Epidemiological problem”
in 2008-2011.
Acknowledgment

10. Thank you