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. Author manuscript; available in PMC: 2020 Aug 26.
Published in final edited form as: Stat Methods Med Res. 2017 Nov 23;28(3):670–680. doi: 10.1177/0962280217734241

Table 3.

Sparse solution, large measurement error.

Scenarios Method Median of squared error
Variable selection
W1b W2b W3b W4b W5b All Predictorsc True Positive
(mean)
False Positive
(mean)
No validation dataa Uncorrected 0.303 0.306 0.303 0.307 0.304 1.537 5 13.897
Scenario 3: Uncorrected 0.277 0.306 0.303 0.307 0.303 1.507 5 14.159
  1 corrected, 10% Corrected 0.042 0.370 0.365 0.371 0.365 1.525 5 0.76
Scenario 3: Uncorrected 0.277 0.279 0.302 0.306 0.302 1.479 5 14.397
  2 corrected, 10% Corrected 0.086 0.090 0.426 0.429 0.424 1.474 5 0.034
Scenario 3: Uncorrected 0.277 0.280 0.277 0.307 0.303 1.452 5 14.085
  3 corrected, 10% Corrected 0.107 0.110 0.114 0.450 0.450 1.272 5 0.002
Scenario 3: Uncorrected 0.276 0.279 0.276 0.280 0.303 1.423 5 14.302
  4 corrected, 10% Corrected 0.113 0.115 0.116 0.116 0.457 0.999 5 0
Scenario 3: Uncorrected 0.275 0.278 0.276 0.279 0.276 1.398 5 14.337
  5 corrected, 10% Corrected 0.114 0.113 0.116 0.116 0.116 0.694 4.999 0
Scenario 4: Uncorrected 0.250 0.305 0.304 0.305 0.303 1.478 5 14.05
  1 corrected, 20% Corrected 0.035 0.356 0.354 0.355 0.353 1.464 5 0.877
Scenario 4: Uncorrected 0.249 0.252 0.301 0.304 0.303 1.422 5 14.179
  2 corrected, 20% Corrected 0.077 0.078 0.410 0.415 0.414 1.407 5 0.015
Scenario 4: Uncorrected 0.247 0.251 0.250 0.304 0.302 1.360 5 14.359
  3 corrected, 20% Corrected 0.150 0.108 0.104 0.445 0.445 1.222 5 0
Scenario 4: Uncorrected 0.247 0.251 0.247 0.250 0.301 1.304 5 14.679
  4 corrected, 20% Corrected 0.113 0.117 0.118 0.113 0.456 0.965 5 0
Scenario 4: Uncorrected 0.246 0.250 0.246 0.249 0.247 1.245 5 14.877
  5 corrected, 20% Corrected 0.118 0.122 0.120 0.114 0.115 0.636 5 0
a

The first row shows results for the error-prone model without validation data. This would represent the model with only multiplex data.

b

The covariates W1–W5 include validation data and represent the five of 100 covariates that may be corrected. These columns show the bias (MSE) for each of the individual estimates.

c

This column represents the MSE for all 100 covariates.