Questions tagged as 'data-science'

I have a dataframe in the following format: colunas = [ 'COMEDY', 'CRIME', 'Classe Prevista' ] precisao_df = pd.DataFrame(columns=colunas) precisao_df['COMEDY'] = y_pred_proba[:,0] precisao_df['CRIME'] = y_pred_proba[:,1] precisao...

Given the concepts of data warehouse and data lake , what notable differences can we cite between them?     

I'm working with this dataset and I applied random forest to create a pricing model, but the accuracy of the model is getting too high, so I'm wary of anything wrong. Apparently train and test are different, so it was not to give such a high a...

From what I've already researched, they both divide the set into two subsets of training and testing. Are there any differences between the two?     

I have a news dataset and want to separate them between two classes. For this I thought of using Bag of words, but I'm not getting with Sklearn. I've tried the following: #Bag of words from sklearn.feature_extraction.text import CountVectorize...