['2i1', '2i2', 'Serum1', 'Serum2', 'pNPC1', 'pNPC2']
[[ 1.          0.96697874  0.90833291  0.90105915  0.88150638  0.88047355]
 [ 0.96697874  1.          0.93463038  0.92885156  0.89151858  0.89716557]
 [ 0.90833291  0.93463038  1.          0.96734117  0.87489302  0.88978209]
 [ 0.90105915  0.92885156  0.96734117  1.          0.86904787  0.88753915]
 [ 0.88150638  0.89151858  0.87489302  0.86904787  1.          0.93984855]
 [ 0.88047355  0.89716557  0.88978209  0.88753915  0.93984855  1.        ]]
[[ 1.          0.97110792  0.92249338  0.9167661   0.90927321  0.90784827]
 [ 0.97110792  1.          0.94379439  0.93929875  0.91878917  0.92199886]
 [ 0.92249338  0.94379439  1.          0.97163106  0.90405629  0.91559691]
 [ 0.9167661   0.93929875  0.97163106  1.          0.89900198  0.91370024]
 [ 0.90927321  0.91878917  0.90405629  0.89900198  1.          0.9550001 ]
 [ 0.90784827  0.92199886  0.91559691  0.91370024  0.9550001   1.        ]]
