def test_convex4():
logger = getLogger('test_convex4')
logger.info("Test convex Poly(4)-Distribution")
model = Models.Convex_pdf('C4', x, power=4, increasing=False, convex=True)
result, f = model.fitTo(dataset, silent=True, refit=5)
with wait(1), use_canvas('test_convex4'):
model.draw(dataset)
title = 'Positive decreasing convex polynomial'
logger.info('%s \n%s' % (title, result.table(title=title, prefix='# ')))
models.add(model)
def test_convex4():
logger.info("Test convex Poly(4)-Distribution")
model = Models.Convex_pdf('C4', x, power=4, increasing=False, convex=True)
result, f = model.fitTo(dataset, silent=True)
if 0 != result.status() or 3 != result.covQual():
logger.warning('Fit is not perfect MIGRAD=%d QUAL=%d ' %
(result.status(), result.covQual()))
print(result)
else:
for phi in model.phis:
logger.info("\tConvex4: phi= %-17s " % phi.ve())
models.add(model)