20 (at most) genes with differential expression at t1, 20 (at most) genes with differential expression at t2, 20 (at most) genes with differential expression at t3, 20 (at most) genes with differential expression at t4 et 20 (at most) genes with global differential expression were selected.

Author

Bertrand Frederic, Myriam Maumy-Bertrand.

Examples


data(Selection)
head(Selection)
#> $omicsarray
#>                    US60       US90      US210
#> 210226_at    0.82417544  0.9166931  0.7310784
#> 233516_s_at -0.27395188 -2.3695246  0.6511830
#> 202081_at    0.60477249  0.6599672 -0.1884742
#> 236719_at   -2.07284086 -0.3123747  0.1792494
#> 236019_at   -0.08175065 -0.3699708 -0.4315901
#> 1563563_at  -1.44513486  1.6869516 -0.4297297
#> 
#> $name
#> [1] "210226_at"   "233516_s_at" "202081_at"   "236719_at"   "236019_at"  
#> [6] "1563563_at" 
#> 
#> $gene_ID
#> [1] "210226_at"   "233516_s_at" "202081_at"   "236719_at"   "236019_at"  
#> [6] "1563563_at" 
#> 
#> $group
#> [1] 1 2 1 1 1 1
#> 
#> $start_time
#> [1] 1 2 1 1 1 1
#> 
#> $time
#> [1]  60  90 210 390
#> 
#> $subject
#> [1] 6
#> 
summary(Selection,3)
#> Loading required package: cluster
#>       US60               US90               US210             US390         
#>  Min.   :-2.76841   Min.   :-2.369525   Min.   :-1.6147   Min.   :-2.60480  
#>  1st Qu.:-0.18028   1st Qu.:-0.181425   1st Qu.: 0.1985   1st Qu.:-0.03884  
#>  Median : 0.05675   Median :-0.001924   Median : 0.9886   Median : 0.31766  
#>  Mean   : 0.05764   Mean   : 0.278275   Mean   : 0.9611   Mean   : 0.26428  
#>  3rd Qu.: 0.22438   3rd Qu.: 0.664063   3rd Qu.: 1.6918   3rd Qu.: 0.57117  
#>  Max.   : 2.86440   Max.   : 4.284675   Max.   : 3.6727   Max.   : 2.54704  
#>       US60              US90              US210              US390         
#>  Min.   :-2.7932   Min.   :-2.49245   Min.   :-1.21606   Min.   :-1.74407  
#>  1st Qu.:-0.5547   1st Qu.:-0.01944   1st Qu.: 0.07966   1st Qu.:-0.26548  
#>  Median :-0.3089   Median : 0.14977   Median : 0.72019   Median : 0.03616  
#>  Mean   :-0.2917   Mean   : 0.33720   Mean   : 0.73063   Mean   : 0.06753  
#>  3rd Qu.:-0.1725   3rd Qu.: 0.48744   3rd Qu.: 1.26164   3rd Qu.: 0.32496  
#>  Max.   : 2.0267   Max.   : 3.37588   Max.   : 3.87950   Max.   : 2.83321  
#>       US60               US90             US210             US390        
#>  Min.   :-2.94444   Min.   :-0.9721   Min.   :-1.9349   Min.   :-3.8418  
#>  1st Qu.:-0.23136   1st Qu.:-0.1027   1st Qu.: 0.3254   1st Qu.:-0.1592  
#>  Median :-0.04761   Median : 0.2548   Median : 1.2512   Median : 0.1538  
#>  Mean   : 0.22115   Mean   : 0.6479   Mean   : 1.0485   Mean   : 0.1219  
#>  3rd Qu.: 0.33157   3rd Qu.: 1.0737   3rd Qu.: 1.8513   3rd Qu.: 0.6268  
#>  Max.   : 3.31723   Max.   : 4.3604   Max.   : 4.4860   Max.   : 1.9886  
#>       US60               US90              US210              US390         
#>  Min.   :-2.85438   Min.   :-0.90355   Min.   :-0.83324   Min.   :-0.96834  
#>  1st Qu.:-0.06031   1st Qu.:-0.08464   1st Qu.: 0.07605   1st Qu.: 0.01569  
#>  Median : 0.03601   Median : 0.17135   Median : 0.52176   Median : 0.17370  
#>  Mean   : 0.14593   Mean   : 0.41929   Mean   : 0.62446   Mean   : 0.23854  
#>  3rd Qu.: 0.24568   3rd Qu.: 0.75565   3rd Qu.: 1.07821   3rd Qu.: 0.45189  
#>  Max.   : 1.82903   Max.   : 3.60640   Max.   : 2.27744   Max.   : 1.90880  
#>       US60               US90              US210             US390        
#>  Min.   :-1.38002   Min.   :-2.94444   Min.   :-1.0271   Min.   :-1.3636  
#>  1st Qu.:-0.19910   1st Qu.:-0.01758   1st Qu.: 0.1459   1st Qu.:-0.1386  
#>  Median :-0.07962   Median : 0.16080   Median : 0.7430   Median : 0.1492  
#>  Mean   : 0.12972   Mean   : 0.37123   Mean   : 0.7972   Mean   : 0.1271  
#>  3rd Qu.: 0.26113   3rd Qu.: 0.61933   3rd Qu.: 1.3922   3rd Qu.: 0.4825  
#>  Max.   : 2.31074   Max.   : 3.24454   Max.   : 3.6213   Max.   : 1.5979  
#>       US60               US90              US210             US390         
#>  Min.   :-1.79176   Min.   :-3.20791   Min.   :-1.4716   Min.   :-1.95883  
#>  1st Qu.:-0.09822   1st Qu.:-0.03963   1st Qu.: 0.1292   1st Qu.:-0.04786  
#>  Median : 0.03378   Median : 0.28261   Median : 0.8392   Median : 0.22472  
#>  Mean   : 0.27978   Mean   : 0.52529   Mean   : 0.7903   Mean   : 0.21171  
#>  3rd Qu.: 0.33548   3rd Qu.: 1.03256   3rd Qu.: 1.4416   3rd Qu.: 0.42511  
#>  Max.   : 3.16035   Max.   : 3.19975   Max.   : 2.8027   Max.   : 2.14903  
#> Loading required package: lattice