dataset = numpy.loadtxt("C:/Users/jayjay/learning/try.txt", delimiter=",", skiprows=1)
# split into input (X) and output (Y) variables
X=dataset[:100,2:4]
Y=dataset[:100,4]

ValueError: could not convert string to float: 'not 1'

135,10,125,10,1
230,16,214,19,not 1
226,16,210,19,1
231,16,215,19,not 1
205,16,189,17,not 1