--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/rnaseq/cutadapt/test-data/pca_out3.tabular	Sat Feb 21 16:33:42 2015 +0100
@@ -0,0 +1,159 @@
+#Component	1	2	3	4
+#Std. deviation	2.049	0.4905	0.2793	0.1534
+#Proportion of variance explained	0.9246	0.05302	0.01719	0.005183
+#Loadings	1	2	3	4
+c1	0.3616	-0.6565	0.581	0.3173
+c2	-0.08227	-0.7297	-0.5964	-0.3241
+c3	0.8566	0.1758	-0.07252	-0.4797
+c4	0.3588	0.07471	-0.5491	0.7511
+#Scores	1	2	3	4
+1	-2.684	-0.3266	0.02151	0.001006
+2	-2.715	0.1696	0.2035	0.0996
+3	-2.89	0.1373	-0.02471	0.0193
+4	-2.746	0.3111	-0.03767	-0.07596
+5	-2.729	-0.3339	-0.09623	-0.06313
+6	-2.28	-0.7478	-0.1743	-0.02715
+7	-2.821	0.0821	-0.2643	-0.0501
+8	-2.626	-0.1704	0.0158	-0.04628
+9	-2.888	0.5708	-0.02734	-0.02662
+10	-2.674	0.1067	0.1915	-0.05589
+11	-2.507	-0.6519	0.06927	-0.01661
+12	-2.613	-0.02152	-0.1077	-0.1577
+13	-2.787	0.2277	0.2003	-0.007235
+14	-3.225	0.5033	-0.06841	-0.02195
+15	-2.644	-1.186	0.1445	0.157
+16	-2.384	-1.345	-0.2837	0.001926
+17	-2.623	-0.8181	-0.1453	0.1647
+18	-2.648	-0.3191	-0.03339	0.07612
+19	-2.199	-0.8792	0.1145	0.02533
+20	-2.587	-0.5205	-0.2196	-0.06908
+21	-2.311	-0.3979	0.2337	-0.01532
+22	-2.543	-0.44	-0.2148	0.03844
+23	-3.216	-0.1416	-0.2996	0.001857
+24	-2.303	-0.1055	-0.04568	0.1472
+25	-2.356	0.03121	-0.1294	-0.3016
+26	-2.508	0.1391	0.2471	0.03538
+27	-2.469	-0.1379	-0.1013	0.05597
+28	-2.562	-0.3747	0.07236	-0.01524
+29	-2.64	-0.3193	0.1393	0.06514
+30	-2.633	0.1901	-0.04647	-0.1246
+31	-2.588	0.1974	0.07128	-0.06048
+32	-2.41	-0.4181	0.1384	0.2308
+33	-2.648	-0.82	-0.2306	-0.2848
+34	-2.597	-1.1	-0.1636	-0.09896
+35	-2.674	0.1067	0.1915	-0.05589
+36	-2.867	-0.07719	0.1568	0.1625
+37	-2.625	-0.6068	0.2612	0.1759
+38	-2.674	0.1067	0.1915	-0.05589
+39	-2.982	0.4803	-0.07972	-0.01105
+40	-2.59	-0.2361	0.0739	-0.01456
+41	-2.77	-0.2711	-0.08424	0.09236
+42	-2.852	0.9329	0.341	0.3227
+43	-2.998	0.3343	-0.199	-0.07587
+44	-2.406	-0.1959	-0.2707	0.1738
+45	-2.209	-0.4427	-0.3035	-0.1859
+46	-2.716	0.2427	0.09052	0.143
+47	-2.538	-0.5104	-0.1719	-0.1922
+48	-2.84	0.2206	-0.09006	-0.06039
+49	-2.543	-0.5863	0.01118	-0.04833
+50	-2.704	-0.115	0.0827	0.0341
+51	1.285	-0.6854	0.4061	0.01929
+52	0.9324	-0.3192	0.01713	-6.758e-06
+53	1.464	-0.5042	0.3383	-0.0008576
+54	0.181	0.8256	0.1771	0.09578
+55	1.087	-0.07539	0.3065	0.1134
+56	0.6404	0.4173	-0.04119	-0.2427
+57	1.095	-0.2839	-0.17	-0.08497
+58	-0.7515	1.001	-0.01567	-0.01651
+59	1.043	-0.229	0.4148	-0.03752
+60	-0.01019	0.7206	-0.2834	-0.005946
+61	-0.5111	1.262	0.2665	0.04891
+62	0.5111	0.1023	-0.1323	0.0501
+63	0.2623	0.5479	0.6919	0.06148
+64	0.984	0.1244	0.06216	-0.169
+65	-0.1749	0.2518	-0.09366	0.1249
+66	0.9276	-0.4682	0.3132	0.1004
+67	0.6596	0.352	-0.3284	-0.189
+68	0.2345	0.3319	0.2703	-0.212
+69	0.9424	0.5418	0.4973	0.2606
+70	0.04325	0.5815	0.233	-0.03956
+71	1.116	0.08421	-0.4598	-0.07721
+72	0.3568	0.06682	0.2275	0.1241
+73	1.296	0.3276	0.3475	0.003246
+74	0.9205	0.1824	0.2316	-0.2868
+75	0.714	-0.1504	0.3204	0.04294
+76	0.8996	-0.3296	0.3148	0.1011
+77	1.331	-0.2447	0.5212	0.03751
+78	1.557	-0.2674	0.1646	0.07035
+79	0.8125	0.1623	-0.03634	-0.02968
+80	-0.3073	0.3651	0.3153	0.07653
+81	-0.07034	0.7025	0.2418	0.009095
+82	-0.1919	0.6775	0.3039	-0.01805
+83	0.135	0.3117	0.175	0.03418
+84	1.379	0.4212	-0.01548	-0.1776
+85	0.5873	0.4833	-0.4446	-0.2524
+86	0.8072	-0.1951	-0.3895	-0.1166
+87	1.22	-0.408	0.2366	0.03164
+88	0.8129	0.3707	0.6129	0.1577
+89	0.2452	0.2667	-0.1896	-0.1473
+90	0.1645	0.6797	0.0578	0.03097
+91	0.463	0.6695	0.02405	-0.2684
+92	0.8902	0.03381	0.009768	-0.1534
+93	0.2289	0.4023	0.2274	0.01862
+94	-0.7071	1.008	0.1021	0.04762
+95	0.3555	0.5032	-0.01789	-0.09807
+96	0.3311	0.2112	-0.08381	-0.2387
+97	0.3752	0.2916	-0.07907	-0.1312
+98	0.6417	-0.01907	0.2042	-0.02051
+99	-0.9085	0.7516	0.007737	0.2336
+100	0.2978	0.347	-0.01218	-0.05078
+101	2.532	0.01184	-0.7585	-0.0326
+102	1.414	0.5749	-0.2964	-0.0157
+103	2.616	-0.3419	0.1121	0.06596
+104	1.971	0.1811	-0.1065	-0.2369
+105	2.35	0.04188	-0.2841	-0.001313
+106	3.397	-0.5472	0.3519	-0.1112
+107	0.5194	1.191	-0.5467	-0.0988
+108	2.932	-0.3524	0.4237	-0.2554
+109	2.32	0.2455	0.3499	-0.07626
+110	2.918	-0.7804	-0.4217	0.1077
+111	1.662	-0.242	-0.2428	0.1194
+112	1.802	0.2162	0.0377	0.07871
+113	2.165	-0.2153	-0.03315	0.1627
+114	1.345	0.7764	-0.2829	0.1405
+115	1.585	0.5393	-0.6306	0.3275
+116	1.905	-0.1188	-0.4801	0.2171
+117	1.949	-0.04073	-0.04273	-0.1578
+118	3.489	-1.172	-0.1293	-0.3116
+119	3.795	-0.2533	0.517	0.05645
+120	1.298	0.761	0.3449	-0.04267
+121	2.428	-0.3768	-0.2186	0.1839
+122	1.198	0.6056	-0.5126	0.0595
+123	3.499	-0.4568	0.5769	-0.1378
+124	1.388	0.204	0.06351	0.1638
+125	2.276	-0.3334	-0.2847	-0.06223
+126	2.614	-0.5584	0.2084	-0.2404
+127	1.258	0.1791	-0.04698	0.1476
+128	1.291	0.1164	-0.2316	0.003084
+129	2.123	0.2109	-0.1535	0.05261
+130	2.388	-0.4625	0.452	-0.2299
+131	2.841	-0.3727	0.501	-0.02022
+132	3.232	-1.371	0.1184	-0.2545
+133	2.159	0.2183	-0.2084	0.1277
+134	1.443	0.1438	0.1541	-0.1899
+135	1.78	0.5015	0.1758	-0.5035
+136	3.077	-0.6858	0.3364	0.3106
+137	2.145	-0.1389	-0.7342	0.05177
+138	1.905	-0.04805	-0.1605	-0.222
+139	1.169	0.1645	-0.2825	0.01933
+140	2.108	-0.3715	-0.02744	0.21
+141	2.314	-0.1826	-0.3229	0.2759
+142	1.922	-0.4093	-0.1155	0.5041
+143	1.414	0.5749	-0.2964	-0.0157
+144	2.563	-0.276	-0.2913	0.05618
+145	2.419	-0.3035	-0.5043	0.2382
+146	1.944	-0.1874	-0.1793	0.4251
+147	1.526	0.375	0.1206	0.2557
+148	1.764	-0.07852	-0.1308	0.1363
+149	1.902	-0.1159	-0.7229	0.04087
+150	1.39	0.2829	-0.3623	-0.1563