Research map / Probabilistic and scientific modeling / Variational and generative sampling
Spearman Rank Correlation Screening for Ultrahigh-Dimensional Censored Data
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Measured effects reported in the paper
| What was changed | Where | Measured | Effect |
|---|---|---|---|
| Use censoring-adjusted Spearman screening instead of censored rank-correlation screening | Screening followed by SCAD in the linear model · Linear model, CR=65% | CP (%): 11.00 -> 86.50 | Helped |
| Use censoring-adjusted Spearman screening instead of censored rank-correlation screening | Linear transformation model, normal errors · CR=65%, random censoring | P_all: 0.00 -> 0.92 | Helped |
| Use censoring-adjusted Spearman screening instead of censored quantile screening | Linear transformation model, normal errors · CR=65%, random censoring | P_all: 0.86 -> 0.92 | Helped |
| Use censoring-adjusted Spearman screening instead of censored quantile screening | Screening followed by SCAD in the linear model · Linear model, CR=45% | CP (%): 63.50 -> 91.50 | Helped |
| Use censoring-adjusted Spearman screening instead of censored quantile screening | Additive model · CR=45% | P_all: 0.90 -> 0.97 | Helped |
| Use censoring-adjusted Spearman screening instead of censored quantile screening | Single-index regression model · CR=65% | P_all: 0.92 -> 0.95 | Helped |
| Replace SCAD with MCP (ablation) | SRCS_cen screening in the linear model · CR=45% | RMS: 0.49 -> 0.49 | No clear effect |
| Replace SCAD with LASSO (ablation) | SRCS_cen screening in the linear model · CR=45% | RMS: 0.49 -> 0.86 | Hurt |
| Apply screening methods designed for complete responses to censored responses | Traditional SRCS, CQS, and RCS screening · Linear model, CR=65% | CP (%): SRCS: 22.50; CQS(0.5): 4.50; RCS: 14.00 | Hurt |
| Increase censoring from CR=45% to CR=65% | RCS_cen screening · Linear transformation model, normal errors, random censoring | P_all: 0.92 -> 0.00 | Hurt |
| Increase censoring from CR=45% to CR=65% | SRCS_cen screening · Linear transformation model, normal errors, random censoring | P_all: 1 -> 0.92 | Hurt |
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