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# transform a polynom into subset

Hello,

I'm new on rapidminer and I would like to use this tool to learn about data analysis. I decided to begin with a Kaggle competition wich is already closed. I want to predict the next number of a sequence, for this I wanna try some algorithms using rapidminer.

My CSV is made like the following : (those are examples, not the real data I use)

ID Sequence

1 1,2,3,4,5

2 2,4,6,8,10

I want to use a regression algorithm to predict the next number of the sequence. But I would like to compute it separatly for each sequence. How can I transform each sequence into a subset of data ?

0

## Answers

1,761UnicornWell this will depend on how many sequences you have. For your 2 row example, it's probably easiest to use a Transform operator and then Select the column you want, and add a Cross Validation with a Linear Regresion (or GLM). If there are 100's of rows, this will be hard to select by hand so you probably want to do a Loop and save each performance per loop.

3Contributor IThank you for your help

3Contributor II just figured out that I can't find a transform operator, and no other operator wich allows to put a list of numbers into a subset

3,525RM Data ScientistHi,

the split operator is what you search for.

Best,

Martin

Dortmund, Germany