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1
1 vote
1
1 answer
2.7k
2.7k views
How do I reduce RMSE in a Random Forest Regressor?
I preprocessed the data, normalized the numerical features, and did one hot encoding for the categorical ones. I end up with a model with R^2=0.7 and RMSE which is 15% of...
engy.abdelazeez
190
points
3
3
5
asked
Apr 3, 2019
Machine Learning
random-forest
data-science
machine-learning
+
–
1
1 vote
1
1 answer
851
851 views
What is the problem of putting a laptop hdd to desktop computer?
Can i put laptop hdd to desktop and what problem makes
Yazmyrat
130
points
1
1
3
asked
Mar 30, 2019
Human Computer Interaction
computer
+
–
2
2 votes
1
answers
1 answer
6.6k
6.6k views
How to update weights using gradient decent algorithm?
For the below neural network, imagine we are going to use the backpropagation algorithm to update weights. If the Bias (b) in this problem is always 0 (ignore bias when y...
tofighi
116k
points
73
79
101
asked
Mar 28, 2019
Machine Learning
machine-learning
deep-learning
gradient-decent
backpropagation
cost-function
linear-regression
ml-exercise
ele888-final
+
–
1
1 vote
0
0 answers
7.8k
7.8k views
Looking for guidance on whether I have the necessary data to answer a Regression question
Hi everyone.I'm currently working on my final project for a Data Science degree and after a month of literature review, exploratory analysis and model testing, I'm not su...
TomGoncalves
130
points
1
1
3
asked
Mar 24, 2019
Machine Learning
machine-learning
statistics
linear-regression
random-forest
decision-tree
+
–
1
1 vote
1
1 answer
586
586 views
model.predict is abnormal
the code is import numpy as np import pandas as pd from keras.models import Sequential from keras.layers import Dense, LSTM, Dropout from keras.layers.core import Dense, ...
kmr1994
210
points
4
4
7
asked
Mar 20, 2019
Machine Learning
lstm
machine-learning
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–
1
1 vote
1
1 answer
1.3k
1.3k views
Determine weights on the paths that connect to the different data points in a neural network?
How do you determine the weight values that connect to the other data points when solving for our output in neural networks?
mcneils
130
points
1
1
3
asked
Mar 18, 2019
Machine Learning
data-science
machine-learning
deep-learning
+
–
0
0 votes
1
1 answer
901
901 views
How to open Jupyter notebook files on Windows or Mac without web browser?
tofighi
116k
points
73
79
101
asked
Mar 16, 2019
General
python
jupyter-notebook
programming
+
–
0
0 votes
2
answers
2 answers
1.1k
1.1k views
Who can write a recursive Python program for Fibonacci sequence 0,1,1,2,3,5,8,...?
Please also check if the fibo(7) = 8
tofighi
116k
points
73
79
101
asked
Mar 15, 2019
Python
math
python
recursive
+
–
1
1 vote
1
1 answer
548
548 views
I fit a many different models to my data set and I still get horrible accuracy. Any suggestions?
I'm trying to create a regression with a data set that does not contain any nulls and has a very few outliers. I fit a linear regression, a random forest, and a gbm model...
engy.abdelazeez
190
points
3
3
5
asked
Mar 7, 2019
Machine Learning
data-science
+
–
1
1 vote
1
1 answer
602
602 views
What to install on a Linux VPS to remotely work with it?
interview
1.4k
points
11
19
23
asked
Mar 2, 2019
Cloud Computing
vps
linux
ubuntu
remote-desktop
+
–
1
1 vote
1
1 answer
1.1k
1.1k views
How do you visualize/present the predicted output of a random forest model with large trees?
I’ve heard that it’s hard to visualize the output of random forest models with large trees/forest but I’m finding it hard to understand what the use case for the model i...
engy.abdelazeez
190
points
3
3
5
asked
Feb 28, 2019
Machine Learning
data-science
random-forest
visualization
+
–
1
1 vote
1
1 answer
2.3k
2.3k views
Do you have a cheatsheet for Data Science?!
interview
1.4k
points
11
19
23
asked
Feb 26, 2019
Data Science Interview Questions
data-science
cheat-sheet
interview
+
–
1
1 vote
1
1 answer
1.1k
1.1k views
How to use Watson Assistant V2 in my nodejs code?
I wanted to use Watson Assistant V2 in my following nodejs code, but it cannot be found and gave me error.var AssistantV2 = require('watson-developer-cloud/assistant/v2')...
tofighi
116k
points
73
79
101
asked
Feb 23, 2019
Javascript
watson-assistant
cognitive-computing
nodejs
+
–
2
2 votes
1
1 answer
592
592 views
How do I know when it is appropriate to use stratified sampling?
cbarbisan
180
points
3
3
7
asked
Feb 19, 2019
Machine Learning
machine-learning
statistics
test-set
+
–
0
0 votes
1
1 answer
728
728 views
What is the best place to start working with IBM Watson Assistant?
tofighi
116k
points
73
79
101
asked
Feb 13, 2019
Cognitive Computing
cognitive-computing
cloud-computing
ibm
watson
+
–
0
0 votes
1
1 answer
1.8k
1.8k views
How to get academic license to access IBM cloud services?
tofighi
116k
points
73
79
101
asked
Feb 13, 2019
Cognitive Computing
cognitive-computing
cloud-computing
+
–
1
1 vote
0
0 answers
504
504 views
Passing variable length sentences to Tensorflow LSTM
I have a tensorflow LSTM model for predicting the sentiment. I build the model with the maximum sequence length 150. (Maximum number of words) While making predictions, i...
sujitha
130
points
1
1
5
asked
Feb 10, 2019
General
python
deep-learning
tensorflow
classification
rnn
+
–
2
2 votes
1
1 answer
840
840 views
Python Machine Learning: Scikit-Learn Tutorial
Regarding the datacamp tutorial "Python Machine Learning: Scikit-Learn Tutorial", the author is considering the use cases that are relevant to the digits data set, so she...
cbarbisan
180
points
3
3
7
asked
Jan 31, 2019
Machine Learning
machine-learning
scikit-learn
+
–
1
1 vote
1
1 answer
866
866 views
What is human-in-the-loop machine learning system?
interview
1.4k
points
11
19
23
asked
Jan 13, 2019
Machine Learning Interview Questions
machine-learning
interview
+
–
1
1 vote
1
1 answer
594
594 views
What is the easiest way to distinguish whether to use a z value test or a t value test?
paralkar
270
points
1
1
2
asked
Dec 17, 2018
Data Science
statistics
+
–
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