x=matrix(rnorm(1500),500,3)
mq(x)

> mq(x)
Ljung-Box Statistics:
        m       Q(m)     df    p-value
 [1,]   1.0      15.2     9.0     0.08
 [2,]   2.0      42.2    18.0     0.00
 [3,]   3.0      52.9    27.0     0.00
 [4,]   4.0      68.2    36.0     0.00
 [5,]   5.0      80.5    45.0     0.00
 [6,]   6.0      92.7    54.0     0.00
 [7,]   7.0      97.6    63.0     0.00
 [8,]   8.0     104.8    72.0     0.01
 [9,]   9.0     110.0    81.0     0.02
[10,]  10.0     127.5    90.0     0.01
[11,]  11.0     134.5    99.0     0.01
[12,]  12.0     141.7   108.0     0.02
[13,]  13.0     155.9   117.0     0.01
[14,]  14.0     168.6   126.0     0.01
[15,]  15.0     174.6   135.0     0.01
[16,]  16.0     184.8   144.0     0.01
[17,]  17.0     191.9   153.0     0.02
[18,]  18.0     199.3   162.0     0.02
[19,]  19.0     204.6   171.0     0.04
[20,]  20.0     220.3   180.0     0.02
[21,]  21.0     227.1   189.0     0.03
[22,]  22.0     242.4   198.0     0.02
[23,]  23.0     246.3   207.0     0.03
[24,]  24.0     256.1   216.0     0.03