Category "data-preprocessing"

Join large set of CSV files where the header is the timestamp for the file

I have a large set of CSV files. Approx. 15 000 files. And would like to figure out how to join them together as one file for data processing. Each file is in a

PCA for Recurrent Neural Networks (LSTM) - Shall I use PCA for target variables too?

I have a seasonal timeseries dataset containing 3 target variables and n feature variables. I am trying to apply a PCA algorithm before feeding the data to a si

Encoding each value in a pandas cell

I have a dataset Inp1 Inp2 Inp3 Output A,B,C AI,UI,JI Apple,Bat,Dog Animals L,M,N LI,DO,LI Lawn, Moon, Noon Noun X,Y

When predicting, shall we scale unseen inputs, and un-scale outputs of a model?

I am new to Machine Learning, and I followed this tutorial to implement LSTM model in Keras/Tensorflow: https://www.tensorflow.org/tutorials/structured_data/tim