GAP 4.8.9 installation with standard packages -- copy to your CoCalc project to get it
gap> START_TEST("HAP library"); gap> Read(Concatenation(dir,"data245.txt")); gap> G:=SymmetricMatrixToFilteredGraph(A,10,60);; gap> K:=CliqueComplex(G,2);; gap> P1:=PersistentBettiNumbers(K,1);; gap> BarCodeCompactDisplay(P1); gap> STOP_TEST( "tst.tst", 1000 );