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The Plasmodium falciparum parasite rate (PfPR) is a commonly reported index of …


Biology Articles » Parasitology » Standardizing estimates of the Plasmodium falciparum parasite rate » Table 01

Table 01
- Standardizing estimates of the Plasmodium falciparum parasite rate

Comparing Algorithms

Data Subset
All (n = 242)
Random (n = 160/82)
L1 2–10 U1 (n = 87)

r2
1st
2nd
3rd
r2 (n=87)
Cat. Err.
Pull & Grab
0.72
80%
94%
99%
0.71
18%
Regression
0.68
17%
70%
95%
0.68
31%
Interpolation
0.64
3%
28%
50%
0.57
22%
Garki
0.58
0%
0%
5%
0.46
25%
PR2
0.05
0%
0%
0%
0.21
38%

A summary of the skill of the four candidate standardization algorithms. The columns summarize the proportion of variance explained (r2), for the full data, the rankings of the four algorithms fitted to 100 random sub-samples of the testing set (n = 160) and tested on the remainder (n = 82), and the r2 and the proportion of categorical errors for the subset of the testing set that was within the standardization range. The table also includes an evaluation of the paired PfPR estimate (PR2).


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