parsed = raw.map((d,i) =>{
let parseDate = d3.timeParse("%m/%d/%Y");
let parseHour = d3.timeParse("%H:%M - %H:%M");
d["Num séance"] = +d["Num séance"];
d.date_parsed = parseDate(d.Date);
d.start_hour = d.Heure.split('-')[0];
d.end_hour = d.Heure.split('-')[1];
if(d["Groupe(s)"].length< 2)
{
d.type="Cours";
}
else{
d.type= "TD";
};
d.index = i;
return d;
}
)