初学R,头大中。。。。
有如下数据
barcode last_contact_days_to death_days_to geneLevel
1 TCGA-3Z-A93Z 4 [Not Applicable] 2.9608
2 TCGA-6D-AA2E 135 [Not Applicable] 2.4501
3 TCGA-A3-3306 1120 [Not Applicable] 3.2246
4 TCGA-A3-3307 1436 [Not Applicable] 1.8578
5 TCGA-A3-3308 16 [Not Applicable] 6.4640
6 TCGA-A3-3311 [Not Available] 1191 10.4052
7 TCGA-A3-3313 [Not Available] 735 6.5100
8 TCGA-A3-3316 1493 [Not Applicable] 14.6871
9 TCGA-A3-3317 1491 [Not Applicable] 16.5597
10 TCGA-A3-3319 1130 [Not Applicable] 10.6939
11 TCGA-A3-3320 1508 [Not Applicable] 12.7718
12 TCGA-A3-3322 1478 [Not Applicable] 27.1325
13 TCGA-A3-3323 1106 [Not Applicable] 19.2964
14 TCGA-A3-3324 1186 [Not Applicable] 16.7843
15 TCGA-A3-3325 751 [Not Applicable] 6.7620
16 TCGA-A3-3326 1137 [Not Applicable] 1.8298
17 TCGA-A3-3328 785 [Not Applicable] 13.4699
18 TCGA-A3-3329 706 [Not Applicable] 5.6123
19 TCGA-A3-3331 1485 [Not Applicable] 14.3855
20 TCGA-A3-3335 665 [Not Applicable] 4.4719
21 TCGA-A3-3336 1043 [Not Applicable] NA
22 TCGA-A3-3343 945 [Not Applicable] 6.0274
23 TCGA-A3-3346 [Not Available] 137 8.9100
第2,3列的数据是死亡时间和最后随访时间,第4列是对应的基因表达水平
请问是否可以根据这个表进行生存分析 ,看看基因表达量高/低是否对生存时间有影响?