[BioC] number of digits to the right of the decimal point

[D.Enrique ESCOBAR ESPINOZA]

hi,
Do anyone knows how to format the ouptup of a matrix?

I would like to have a presision of 3 digits after the decimal point,
but R puts a lot like in:
========================
1415672_at	11.3675725685574	11.1207181716185	11.5835752310751
11.2635376544275	11.3803862471594	11.1876590302025	11.4803751218766
11.0407217370855	11.3803027471964	11.2107667749786	11.4240626154589
11.0726937904953	11.3404430284996	11.0983111542149	11.4295884632465
11.0385013450733	11.4303251130914	11.1001933325894	11.3698742158253
11.1251462071339	11.3758935688852	11.0525464293471	11.4410588092048
11.1137336744801	11.5089182538428	11.3033845671624	11.3726029979076
11.2408092611829	11.2501676060334	11.0138833147261	11.6985808445551
11.4163481418696	11.3136368224942	11.1259446705625	11.4781239446360
11.1370483924019	11.4161256305254	11.1489896409569	11.6419664718143
11.2759734361695	11.5410814859232	11.1406823752741	11.5346061725365
11.2717171467062
================================
thanks