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This prediction was made with data up to June 2006 and inclusive.

Predictions were made using Auto-Regressive Integrated Moving Average (ARIMA) modeling in the R software (function arima) using the parameters AR = 2, I = 1, MA = 0, and with a seasonal component SAR = 1, SI=0, and SMA = 1, and a time series of malaria cases starting January 1972.

Table: Predictions for positive cases by district

DISTRICT

Jan-06

Feb-06

Mar-06

Apr-06

May-06

Jun-06

Jul-06

Aug-06

Sep-06

AMPARA+KALMUNE

2

1

0

0

0

0

1

0 (0-2)

0 (0-3)

ANURADHAPURA

25

9

9

6

4

0

0 (0-1)

0 (0-2)

 

BADULLA

1

1

0

0

0

0 (0-2)

0 (0-3)

 

 

BATTICALOA

0

1

2

0

0

0

0

0 (0-1)

0 (0-1)

COLOMBO

0

0

0

0

0

0

0 (0-2)

0 (0-2)

 

GALLE

0

0

0

0

0

0

0 (0-3)

0 (0-4)

 

GAMPAHA

5

1

0

0

0

2

0 (0-4)

0 (0-4)

 

HAMBANTOTA

1

1

2

0

1

5

5

4 (1-9)

3 (1-11)

JAFFNA

1

0

0

1

0

0

0 (0-3)

0 (0-4)

 

KALUTARA

0

0

0

0

0

0

0 (0-3)

0 (0-4)

 

KANDY

0

0

0

0

0

1

0 (0-2)

0 (0-2)

 

KEGALLA

1

1

0

0

0

0

1 (0-3)

1 (0-3)

 

KILINOCHCHI

0

0

0

0

0

0

0

0 (0-2)

0 (0-4)

KURUNEGALA

45

19

8

11

10

8

25

29 (14-59)

25 (8-73)

MANNAR

0

1

0

0

0

0 (0-16)

0

0 (0-4)

0 (0-8)

MATALE

0

4

2

0

0

0

0

0 (0-1)

0 (0-3)

MATARA

1

1

0

0

1

0

1 (0-3)

1 (0-3)

 

MONERAGALA

1

0

0

0

NA

0

0

0 (0-1)

0 (0-1)

MULLAITIVU

0

0

0

0

NA

0

0

0 (0-3)

0 (0-4)

NUWARAELIYA

0

0

0

0

0

0

0 (0-3)

0 (0-4)

 

POLONNARUWA

0

1

1

0

1

0

1 (0-7)

1 (0-9)

 

PUTTALAM

3

2

3

0

0

0

0

0 (0-1)

0 (0-1)

RATNAPURA

2

1

0

0

0

0 (0-4)

0

0 (0-1)

0 (0-1)

TRINCOMALEE

8

10

14

20

12

0

2

2 (0-8)

2 (0-16)

VAVUNIYA

1

0

3

1

1

1

0

0 (0-4)

0 (0-13)

Legend: one month ahead prediction in bold; two months ahead prediction in bold italic; figure between (): 95% Confidence Interval

 

Disclaimer: Predictions are based on preliminary work. No rights can be claimed based on information displayed on this page.


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