Sentences with phrase «quadratic fit»
The phrase "quadratic fit" refers to a mathematical method or model that is used to find a curved shape, like a parabola, that best matches a set of data points. It helps us understand and predict patterns or relationships in the data. Full definition
Not using quadratic fits, and certainly the non-parabolic trend which is present can't be found in such noisy data sets.
skepticalscience.com
In particular, trends determined via simple linear regression and acceleration determined through simple quadratic fits are extremely limited and likely to be unduly influenced by the particular time slice.
It uses quadratic fit to 25 - y subintervals.
For what it's worth, with a quadratic fit, I get R ^ 2 = 96.5 %, p < 3.45 x 10 ^ -96.
Here's how: first, they determined the presence or absence of acceleration or deceleration based only on the quadratic term of a quadratic fit.
That answers the question: the quadratic fit shows acceleration in the Church & White data.
Hence we assume the same shape σ (x) for the uncorrelated ensemble, but allow for an overall upscaling cσ (x), c being estimated from a quadratic fit.
Orange line is quadratic fit (John Wahr).
The cleaned global mean temperature warms monotonically, and closely resembles a quadratic fit to the observed 20th century global mean temperature (thin solid)(Swanson 2009).
Fig. 3 shows that the resulting cleaned signal presents a nearly monotonic warming of the global mean surface temperature throughout the 20th century, and closely resembles a quadratic fit to the actual 20th century global mean temperature.
The cleaned global mean temperature warms monotonically, and closely resembles a quadratic fit to the observed 20th century global mean temperature (thin solid).
The standard deviation of the cleaned temperature from the quadratic fit is 0.03 °C compared with 0.06 °C for the observed.