Data Science Questions, Problems & Solutions : TransWikia.com ~ Page 56

how to create word2vec for phrases and then calculate cosine similarity

I have just started using word2vec and I have no idea how to create vectors (using word2vec) of two lists, each containing set of words and phrases and then how...

Asked on 08/10/2021 by user3778289

2 answer

RF regressor for probabilites

I am using sklearn multioutput RF regressor to learn statistics in my data. So my target contains several probabilities for the different features, and the sum of all these probabilities...

Asked on 08/10/2021 by Wacken0013

1 answer

CNN kernel location for input image

Given a CNN, say AlexNet: How could one relate kernel locations at the 3rd conv block, i.e 13x13 filter size to the input image....

Asked on 08/10/2021 by Benedict K.

0 answer

Which learning rate should I choose?

I'm training a segmentation model, Unet++, on 2d images and I am now trying to find the optimal learning rate.The backbone of the model is Resnet34, I use Adam...

Asked on 08/10/2021

1 answer

Why am I getting good validation scores, but poor test scores in Kaggle competition

I am participating in a Kaggle multiclass classification competition. The submissions will be scored based on the 'logloss' score. I am using Keras and Scikit libraries and a deep learning...

Asked on 08/10/2021 by Srinivas

0 answer

Why is my Celcius to Kelvin Model performing so bad compared to my Celcius to Fahrenheit Model

I am new to tensorflow and I saw an example model which was made as following -l0 = tf.keras.layers.Dense(units=1, input_shape=[1])model = tf.keras.Sequential([l0])model.compile(loss = 'mean_squared_error', optimizer = tf.keras.optimizers.Adam(0.1))history = model.fit(sampl,...

Asked on 08/10/2021

0 answer

KNN accuracy going worse with chosen k

This is my first ever KNN implementation. I was supposed to use (without scaling the data initially) linear regression and KNN models for predicting the loan status(Y/N) given a bunch...

Asked on 08/09/2021

2 answer

Want to convert a data file into a list of lists where the semi-colon is a separator

I'm doing my very first data science project ever and am likely to seem a bit naive, and I've got three .DAT files each of which I want to convert...

Asked on 08/09/2021 by Rupert

1 answer

Is there any feature selection method specific for regression analysis?

Is there any feature selection method that works especially well for regressions? I used backwards elimination and forward selection before a lot but I've recently read that even though it's...

Asked on 08/09/2021

0 answer

Keras intermediate layer (attention model) output

I have a model with this summary:___________________________Layer (type) Output...

Asked on 08/09/2021 by opyate

1 answer

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