[R] Help me about singular error nls

Dear List I have that problem: this is file : PBS.txt TimeRFU 0. 27.3021 0.0800 26.1565 0.1600 25.4836 0.2400 25.2104 0.3200 24.7967 0.4000 24.6310 0.4800 24.3472 0.5600 24.2905 0.6400 24.1394 0.7200 24.0244 0.8000 23.8532 0.8800 23.7908 0.9600 23.6668 1.0400 23.7458 1.1200

Re: [R] Help me about singular error nls

jarod_v6 jarod_v6 at libero.it writes: I have that problem: this is file : PBS.txt Time RFU 0.27.3021 0.080026.1565 rm(list=ls()) print(ls()) #carica Dati con file di testo b -read.table(PBS.txt, sep=\t, header= TRUE) print(b) b nlmod1 - nls(RFU ~ A +