Hello, I heve a matrix(4260*34), a part as follow:

> matrix
       brown              grey                  yellow            green                   white                blue
A -1.149255e-03 2.860265e-03 9.198340e-04 5.144036e-03 0.0026969686 5.746249e-03
B -9.174336e-04 8.317152e-03 -1.360653e-03 6.653484e-03 0.0065084797 1.006139e-02
C -7.864003e-03 -1.925244e-02 -1.097666e-03 1.098523e-02 0.0322852911 -1.666910e-02
D -7.039214e-03 -1.279118e-02 -1.351395e-03 6.403375e-03 0.0063110152 -9.466401e-03
E -7.040558e-03 -1.679522e-02 5.303559e-03 2.541649e-02 0.0249588512 -1.357130e-02
F 3.566300e-04 1.973854e-03 6.582043e-03 1.015424e-02 -0.0035802723 3.627824e-03
G 3.268834e-03 -4.372850e-03 -6.720695e-03 2.718662e-03 -0.0045350115 3.312930e-03
H -1.655860e-04 6.670511e-03 1.830364e-03 9.082381e-03 0.0256364955 2.357959e-03
I 1.185147e-02 -2.999770e-04 -1.264101e-03 3.508225e-02 0.0210897963 -1.898114e-04
J 4.564741e-03 7.082577e-03 4.027961e-03 1.801338e-02 -0.0012343277 4.510357e-03
K -8.806285e-03 -1.694895e-02 -1.134117e-01 -1.529373e-01 -0.0765283194 -1.916946e-01
M 1.241366e-03 3.154813e-02 4.881584e-02 -1.303083e-02 -0.0133092729 -2.146324e-02

I want to extract top 5% number informations, the result as follow: 0.0026969686 A white 0.0065084797 B white 0.0322852911 C white 0.006311015 D white

But I don't know how to do this use R code. Can you help me?