Hello.
I have this matrix:
cy [,1] [,2] [,3] [,4] [,5] [,6]
[1,] 1.0000000 1.0000000 -0.5164570 -0.5164087 -0.4004139 -0.4003719
[2,] 1.0000000 1.0000000 -0.5164570 -0.5164087 -0.4004139 -0.4003719
[3,] -0.5164570 -0.5164570 1.0000000 1.0000000 -0.1186691 -0.1186972
[4,] -0.5164087 -0.5164087 1.0000000 1.0000000 -0.1186995 -0.1187276
[5,] -0.4004139 -0.4004139 -0.1186691 -0.1186995 1.0000000 1.0000000
[6,] -0.4003719 -0.4003719 -0.1186972 -0.1187276 1.0000000 1.0000000
[7,] -0.4058070 -0.4058070 -0.1150400 -0.1150706 0.9999826 0.9999824
[8,] -0.4061715 -0.4061715 -0.1147942 -0.1148249 0.9999802 0.9999799
[9,] -0.4061804 -0.4061804 -0.1147882 -0.1148189 0.9999801 0.9999799
[10,] 1.0000000 1.0000000 -0.5164570 -0.5164087 -0.4004139 -0.4003719
[,7] [,8] [,9] [,10]
[1,] -0.4058070 -0.4061715 -0.4061804 1.0000000
[2,] -0.4058070 -0.4061715 -0.4061804 1.0000000
[3,] -0.1150400 -0.1147942 -0.1147882 -0.5164570
[4,] -0.1150706 -0.1148249 -0.1148189 -0.5164087
[5,] 0.9999826 0.9999802 0.9999801 -0.4004139
[6,] 0.9999824 0.9999799 0.9999799 -0.4003719
[7,] 1.0000000 0.9999999 0.9999999 -0.4058070
[8,] 0.9999999 1.0000000 1.0000000 -0.4061715
[9,] 0.9999999 1.0000000 1.0000000 -0.4061804
[10,] -0.4058070 -0.4061715 -0.4061804 1.0000000
I want to know the coordinates of the 1's only in the cy's lower triangle.
If I do cy%in%1 or cy ==1 I have this result: [1] TRUE FALSE FALSE
FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE TRUE
[13] FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE TRUE FALSE
[25] FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE TRUE FALSE FALSE
[37] FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE TRUE FALSE FALSE FALSE
[49] FALSE FALSE FALSE FALSE FALSE FALSE FALSE TRUE FALSE FALSE FALSE FALSE
[61] FALSE FALSE FALSE FALSE FALSE FALSE TRUE FALSE FALSE FALSE FALSE FALSE
[73] FALSE FALSE FALSE FALSE FALSE TRUE FALSE FALSE FALSE FALSE FALSE FALSE
[85] FALSE FALSE FALSE FALSE TRUE FALSE FALSE FALSE FALSE FALSE FALSE FALSE
[97] FALSE FALSE FALSE TRUE
It seems that is only considering the principal diagonal.
I don't understand why...
Thank you,
Rui
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