from jhplot  import *
from jhpro.tseries import *


# create time series data
data="""
/*
Description goes here.
10 observations starting from 1970 (1st quarter), 
and finishing in 1972 (2nd quarter) 
*/
 3  1970.1 4 
 inve   income  profit 
0.00551 0.01057 0.00435
0.02297 0.02211 0.00041
0.03783 0.01636 0.01178
0.09436 0.03193 0.01015
0.01359 0.02138 0.00218
0.02445 0.00192 0.00283
0.03325 0.03581 0.00656
0.07644 0.01471 0.00032
0.00086 0.01808 0.00512
0.02159 0.02827 0.08169
"""
file = open("tseries.dat", "w")
file.write(data)
file.close()

# reading this file and showing
js=HStatData("Data","tseries.dat")
ind1=1              # 2nd column vs time 
y=js.getColumn(ind1)
t=js.getTS()[0]
rr=t.range()        # time ranges  
names=js.getVarNames().vec()
pp=P1D(names[ind1])
pp.setDrawLine(1)   # show as connected lines
for j in range(t.numOfObs()):
        dd=rr.dateForIndex(j)
        pp.add(dd.doubleValue(),y[j])
c1=HPlot()
c1.setMarginLeft(90)
c1.visible(); c1.setAutoRange()
c1.setNameX("Time")
c1.setNameY(names[ind1])
c1.draw(pp)