Convert row names into first column
问题 I have a data frame like this: df VALUE ABS_CALL DETECTION P-VALUE 1007_s_at \"957.729231881542\" \"P\" \"0.00486279317241156\" 1053_at \"320.632701283368\" \"P\" \"0.0313356324173416\" 117_at \"429.842323161046\" \"P\" \"0.0170004527476119\" 121_at \"2395.7364289242\" \"P\" \"0.0114473584876183\" 1255_g_at \"116.493632746934\" \"A\" \"0.39799368200131\" 1294_at \"739.927122116896\" \"A\" \"0.0668649772942343\" I want to convert the row names into the first column. Currently I use something