Goodness of fit

Coefficients (with 95% confidence bounds)

SSE: 1.621e−10

R-square: 0.9997

Adjusted R-square: 0.9997

RMSE: 1.898e−06

p₁ = −5.342e−16 (−6.484e−16, −4.2e−16)

p₂ = 1.383e−12 (1.148e−12, 1.617e−12)

p₃ = −1.276e−09 (−1.437e−09, −1.116e−09)

p₄ = 8.258e−07 (7.85e−07, 8.665e−07)

p₅ = 0.001053 (0.00105, 0.001056)

${\rho }_L=-5.342\text{e}-16\ast {\left(P_{sat}\right)}^4+1.383\text{e}-12\ast {\left(P_{sat}\right)}^3-1.276\text{e}-9\ast {\left(P_{sat}\right)}^2-8.258\text{e}-7\ast P_{sat}+0.001053$ (38)