table_10_11: Gompertz non-symmetric sigmoid with error ~ U(-0.05,0.05)

Description Usage Format Details References Examples

Description

Data used for creating Table 10 and 11 of arXiv:1206.5478v2

Usage

1
data("table_10_11")

Format

A data frame with 501 observations on the following 2 variables.

x

a numeric vector

y

a numeric vector

Details

Table 10: Gompertz sigmoid, p=5, asymmetry, [a, b] = [3.5, 8], n=500, error r=0.05

Table 11: ESE & EDE iterations for Gompertz sigmoid, p=5, asymmetry, [a, b] = [3.5, 8], n=500, error r=0.05

References

Christopoulos, DT (2014). Developing methods for identifying the inflection point of a convex/concave curve. arXiv:1206.5478v2 [math.NA]

Examples

1
2
3
4
5
6
data("table_10_11")
dh=table_10_11
plot(dh,pch=19,cex=0.1)
findiplist(dh$x,dh$y,0)
bese(dh$x,dh$y,0)
bede(dh$x,dh$y,0)

Example output

    j1  j2    chi
ESE 74 274 5.0570
EDE 66 319 5.2235
$iplast
[1] 5.0075

$iters
    n     a     b    ESE
1 501 3.500 8.000 5.0570
2 201 4.634 5.534 5.0840
3 101 4.859 5.156 5.0075

$iplast
[1] 5.057

$iters
    n     a     b    EDE
1 501 3.500 8.000 5.2235
2 254 4.472 5.642 5.0570

inflection documentation built on June 28, 2019, 5:03 p.m.