Table 1

Test results of the 18 parameters implemented in miRFinder

Parameters
Pre-miRNA
Non-miRNA Hairpins
Parameter Test

ID
Symbol
Mean
Std. Deviation
Mean
Std. Deviation
F value
T test

01
pMFE
-0.444
0.072
-0.218
0.086
1.44
0.000
02
pVMFE
0.455
0.936
0.506
0.632
0.03
0.014
03
pVStrc
0.903
1.812
3.635
4.703
0.41
0.000
04
pMatch
0.892
0.063
0.639
0.176
1.06
0.000
05
pDI
0.050
0.058
0.088
0.126
0.21
0.000
06
pMismatch
0.097
0.060
0.196
0.119
0.55
0.000
07
pBulge
0.014
0.036
0.169
0.209
0.64
0.000
08
pMutFreq
0.018
0.024
0.136
0.126
0.78
0.000
09
"=-"
0.043
0.029
0.035
0.031
0.13
0.000
10
"=="
0.649
0.081
0.466
0.089
1.08
0.000
11
"=:"
0.090
0.041
0.093
0.037
0.04
0.001
12
"--"
0.023
0.041
0.043
0.076
0.17
0.000
13
"-="
0.043
0.029
0.035
0.031
0.13
0.000
14
"^^"
0.008
0.021
0.090
0.130
0.54
0.000
15
"^="
0.014
0.018
0.044
0.026
0.69
0.000
16
"::"
0.044
0.044
0.102
0.086
0.45
0.000
17
":^"
0.014
0.018
0.044
0.026
0.69
0.000
18
":="
0.076
0.041
0.048
0.037
0.36
0.000

Note: T tests are 2-tailed. The F value represents the discriminative power of the parameters. The 18 parameters were coded as. 1: Minimum Free Energy; 2: The difference of the MFE of the sequence pair; 3: The difference of the structure of the sequence pair; 4–7: Base pairing and other properties of the 22 mer hypothesized mature miRNA; 8: The mutation frequency of the sequence segment pair; 9–18: The frequency of the 10 possible secondary structure elements (combinations of 2 adjacent characters) in the pseudo code of stem region (represented by the new syntax). [See details in additional file 1].

Huang et al. BMC Bioinformatics 2007 8:341   doi:10.1186/1471-2105-8-341