# Delo s podatki

Obstaja veliko različnih načinov za delo s podatki v Grafih. Vse podatke Grafi obravnavajo enako, ne glede na to, iz katere datoteke so uvoženi ali če gre za ustvarjeno enačbo. Ko izberete del platna z orodjem za poudarjanje, bo delovalo samo v poudarjenem področju.

# Glajenje

The smoothening action has two different modes, a rolling average or the Savitzky-Galov filter. The moving average simply works iterating through the data set, and replacing each point by the average of the last few data points that were encountered, this way sharp outliers are ignored but details may be lost. Sudden actual changes in the data may also be detected later when a smoothening has been applied. Another way to smoothen the data is the Savitzky-Galov. The difference with the moving average, is that not a simple average is used for the last data points, but instead a polynomial function is fitted between the data points. This makes it possible to filter the underlaying signal still quite nicely out of very noisy data.

# Preoblikovanja po meri

Drug način za delo s podatki je uporaba preoblikovanj po meri. To polje preoblikuje koordinato X in Y kos za kosom v skladu z izbrano enačbo. Primer: če želite vzeti kvadrat vseh Y-koordinat, preprosto nastavite `Y = Y²` v y-podatkovno polje in `X = X` v x-podatkovno polje. Upoštevajte, da vhodne koordinate ne razlikujejo med velikimi in malimi črkami.