Example tax that causes a NullPointerException in RDPClassifier crossvalidate

minimal.tax

0*Root*-1*0*rootrank
1*k__Viridiplantae*0*1*kingdom
2*p__Streptophyta*1*2*phylum
3*c__asterids*2*3*class
4*o__Apiales*3*4*order
5*f__Apiaceae*4*5*family
6*g__Heracleum*5*6*genus
7*s__Heracleum sphondylium*6*7*species
8*c__Liliopsida*2*3*class
9*o__Poales*8*4*order
10*f__Poaceae*9*5*family
11*g__Muhlenbergia*10*6*genus
12*s__Muhlenbergia richardsonis*11*7*species
13*s__Muhlenbergia seatonii*11*7*species
14*g__Tordylium*5*6*genus
15*s__Tordylium elegans*14*7*species
16*s__Muhlenbergia setarioides*11*7*species
17*s__Heracleum franchetii*6*7*species
18*s__Heracleum millefolium*6*7*species
19*s__Heracleum maximum*6*7*species
20*o__Asterales*3*4*order
21*f__Asteraceae*20*5*family
22*g__Ligularia*21*6*genus
23*s__Ligularia caloxantha*22*7*species
24*s__Ligularia nelumbifolia*22*7*species
25*g__Layia*21*6*genus
26*s__Layia glandulosa*25*7*species
27*s__Layia discoidea*25*7*species
28*o__Solanales*3*4*order
29*f__Solanaceae*28*5*family
30*g__Athenaea*29*6*genus
31*s__Athenaea micrantha*30*7*species
32*g__Aureliana*29*6*genus
33*s__Aureliana sellowiana*32*7*species
34*s__Muhlenbergia torreyi*11*7*species
35*s__Muhlenbergia sinuosa*11*7*species
36*s__Muhlenbergia tenuifolia*11*7*species
37*s__Muhlenbergia stricta*11*7*species
38*g__Tetrataenium*5*6*genus
39*s__Tetrataenium sublineare*38*7*species
40*s__Muhlenbergia wrightii*11*7*species
41*s__Heracleum hookerianum*6*7*species
42*s__Muhlenbergia plumiseta*11*7*species
43*s__Heracleum bhutanicum*6*7*species
44*s__Muhlenbergia villiflora*11*7*species
45*s__Tetrataenium nepalense*38*7*species
46*s__Muhlenbergia virescens*11*7*species
47*s__Heracleum sp. JHP-2008*6*7*species
48*s__Muhlenbergia utilis*11*7*species
49*s__Heracleum cachemiricum*6*7*species
50*s__Muhlenbergia vaginata*11*7*species
51*o__Boraginales*3*4*order
52*f__Boraginaceae*51*5*family
53*g__Trichodesma*52*6*genus
54*s__Trichodesma africanum*53*7*species
55*f__Cyperaceae*9*5*family
56*g__Carex*55*6*genus
57*s__Carex spinirostris*56*7*species
58*s__Carex ternaria*56*7*species
59*g__Zosima*5*6*genus
60*s__Zosima absinthifolia*59*7*species
61*g__Semenovia*5*6*genus
62*s__Semenovia transiliensis*61*7*species
63*s__Semenovia dasycarpa*61*7*species
64*g__Brachypodium*10*6*genus
65*s__Brachypodium distachyon*64*7*species
66*c__rosids*2*3*class
67*o__Fabales*66*4*order
68*f__Fabaceae*67*5*family
69*g__Melilotus*68*6*genus
70*s__Melilotus indicus*69*7*species
71*s__Carex pumila*56*7*species
72*s__Carex ophiolithica*56*7*species
73*s__Carex fretalis*56*7*species
74*o__Brassicales*66*4*order
75*f__Brassicaceae*74*5*family
76*g__Matthiola*75*6*genus
77*s__Matthiola longipetala*76*7*species
78*s__Carex enysii*56*7*species
79*s__Carex echinata*56*7*species
80*s__Heracleum candicans*6*7*species