C语言怎样如何计算一个txt文件里的均值,如:第4列的N值为110.00,计算整个文件夹里N平均值?
OutersurfaceproteinC1GGQC13GLYNN110.000.1123GLYHH8.300.01133GLYCAC44.460.5144PROCAC62...
Outer surface protein C 1GGQC
1 3 GLY N N 110.00 0.1 1
2 3 GLY H H 8.30 0.01 1
3 3 GLY CA C 44.46 0.5 1
4 4 PRO CA C 62.69 0.5 1
RXRalpha ligand-binding domain dimer 1MZNG
1 3 SER CA C 58.72 0.2 1
2 3 SER CB C 63.42 0.2 1
3 3 SER C C 175.01 0.1 1
4 4 ALA H H 8.31 0.01 1
5 4 ALA N N 125.63 0.1 1
6 4 ALA CA C 53.82 0.2 1 展开
1 3 GLY N N 110.00 0.1 1
2 3 GLY H H 8.30 0.01 1
3 3 GLY CA C 44.46 0.5 1
4 4 PRO CA C 62.69 0.5 1
RXRalpha ligand-binding domain dimer 1MZNG
1 3 SER CA C 58.72 0.2 1
2 3 SER CB C 63.42 0.2 1
3 3 SER C C 175.01 0.1 1
4 4 ALA H H 8.31 0.01 1
5 4 ALA N N 125.63 0.1 1
6 4 ALA CA C 53.82 0.2 1 展开
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