## signals/links

match 
    (u:User {id:862918193530011688})-[total:CREATED]->(s:Signal)
optional match 
    (u:User)-[withlink:CREATED]->(:Signal)-[:HAS_LINK]-()
with
    count(distinct(total)) as signalsTotal, 
    count(distinct(withlink)) as withLink
with
    signalsTotal,
    withLink,
    tofloat(withLink)/ signalsTotal as perc_with_link
return 
    {
        signals_with_link: withLink,
        signalsTotal: signalsTotal,
        perc_with_link: perc_with_link
    
    }