The calculation of CSI is 0.0 and the paired region is NULL

[kizliupei]

Hi Kepbod,

I met a issue in CSI calculation,

the code I used is:
CSI -g $genome $input/dmso_knowncirc.txt -o $output/dmso_CSI -p 10

and the format of input is: (processed used circexplorer2)
chrX 7594761 7594959 circular_RNA/1 0 - 7594761 7594761 0,0,0 1 198 0 1 ciRNA Ccdc22 NM_138603 14 chrX:7594743-7594959
chrX 7596049 7596493 circular_RNA/5 1 - 7596049 7596049 0,0,0 1 444 0 5 ciRNA Ccdc22 NM_138603 9 chrX:7596022-7596493
chrX 7596820 7597537 circular_RNA/3 0 - 7596820 7596820 0,0,0 1 717 0 3 ciRNA Ccdc22 NM_138603 7 chrX:7596793-7597537
chrX 7597755 7599157 circular_RNA/3 0 - 7597755 7597755 0,0,0 1 1402 0 3 ciRNA Ccdc22 NM_138603 6 chrX:7597732-7599157
chrX 7599779 7600620 circular_RNA/2 0 - 7599779 7599779 0,0,0 1 841 0 2 ciRNA Ccdc22 NM_138603 3 chrX:7599735-7600620
chrX 7668533 7668926 circular_RNA/1 1 - 7668533 7668533 0,0,0 1 393 0 1 ciRNA Plp2 NM_019755 4 chrX:7668506-7668926
chrX 7668926 7669758 circular_RNA/5 0 - 7668926 7668926 0,0,0 3 91,96,156 0,488,676 5 circRNA Plp2 NM_019755 4,3,2 chrX:7668506-7668926|chrX:7669758-7671142
chrX 7697395 7698452 circular_RNA/1 0 + 7697395 7697395 0,0,0 1 1057 0 1 ciRNA Gpkow NM_173747 1 chrX:7697395-7698492
chrX 7697395 7698454 circular_RNA/5 0 + 7697395 7697395 0,0,0 1 1059 0 5 ciRNA Gpkow NM_173747 1 chrX:7697395-7698492
chrX 7702172 7703343 circular_RNA/3 0 + 7702172 7702172 0,0,0 1 1171 0 3 ciRNA Gpkow NM_173747 4 chrX:7702172-7703369

and the results in dmso_CSI.txt is:
chrX 7668926 7669758 0.0 NULL NULL
chrX 7856303 7872199 0.0 NULL NULL
chrX 7885748 7889763 0.0 NULL NULL
chrX 8190078 8190436 0.0 NULL NULL
chrX 9450681 9455279 0.0 NULL NULL
chrX 10047674 10067601 0.0 NULL NULL
chrX 10164721 10182052 0.0 NULL NULL
chrX 10579314 10585652 0.0 NULL NULL
chrX 10582164 10585652 0.0 NULL NULL
chrX 12604866 12608954 0.0 NULL NULL

could you pls give me some suggestions?

best
Pei