Top "Extrapolation" questions

Cubic spline extrapolation

I have a nice cubic spline code but it is for interpolation only. I need to extrapolate just a little …

plot interpolation spline graphing extrapolation
Extrapolate values in Pandas DataFrame

It's very easy to interpolate NaN cells in a Pandas DataFrame: In [98]: df Out[98]: neg neu pos avg 250 0.508475 0.527027 0.641292 0.558931 500 NaN NaN …

python pandas extrapolation
extrapolate in R for a time-series data

I have a time-series data for the last 20 years. The variable has been measured every year so I have 20 values. …

r time-series extrapolation
How to do linear regression, taking errorbars into account?

I am doing a computer simulation for some physical system of finite size, and after this I am doing extrapolation …

python numpy linear-regression least-squares extrapolation
Extrapolation nonlinear data in matlab

How to extrapolation following data for 850 and above in matlab? x = 200.0000 205.0000 210.0000 215.0000 220.0000 225.0000 230.0000 235.0000 240.0000 245.0000 250.0000 255.0000 260.0000 265.0000 270.0000 275.0000 280.0000 285.0000 290.0000 295.0000 300.0000 305.0000 310.0000 315.0000 320.0000 330.0000 340.0000 350.0000 360.0000 370.0000 380.0000 390.0000 400.0000 410.0000 420.0000 430.0000 440.0000 450.0000 460.0000 470.0000 480.0000 490.0000 500.0000 510.0000 520.0000 530.0000 540.0000 550.0000 560.0000 570.0000 580.0000 590.0000 600.0000 620.0000 640.0000 660.0000 680.0000 700.0000 750.0000 800.0000 y = 0.8900 0.8600 0.8400 0.8200 0.8000 0.7900 0.7700 0.7500 0.7400 0.7200 0.7100 0.6900 0.6800 0.6700 0.6500 0.6400 0.6300 0.6200 0.6100 0.6000 0.5900 0.5800 0.5700 0.5600 0.5500 0.5400 0.5200 0.5100 0.4900 0.4800 0.4700 0.4500 0.4400 0.4300 0.4200 0.4100 0.4000 0.3900 0.3900 0.3800 0.3700 0.3600 0.3600 0.3500 0.3400 0.3400 0.3300 0.3200 0.3200 0.3100 0.3100 0.3000 0.3000 0.2900 0.2800 0.2700 0.2600 0.2600 0.2400 0.2200

matlab extrapolation
How to extrapolate curves in Python?

I have some data represented on the figure below, I am able to interpolate the data points (dotted lines), and …

python numpy graph scipy extrapolation
Extrapolate Pandas DataFrame

It is easy to interpolate values in a Pandas.DataFrame using Series.interpolate, how can extrapolation be done? For example, …

python python-2.7 pandas extrapolation
Matlab interp2 extrapolation

I am doing a 2-D interpolation using interp2. For some data values, the interp2 command returns NaN because one of …

matlab extrapolation