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Answers by tofighi
0
0 votes
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')...
answered
Feb 23, 2019
Javascript
watson-assistant
cognitive-computing
nodejs
+
–
0
0 votes
593
593 views
How do I know when it is appropriate to use stratified sampling?
answered
Feb 20, 2019
Machine Learning
machine-learning
statistics
test-set
+
–
0
0 votes
841
841 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...
answered
Feb 17, 2019
Machine Learning
machine-learning
scikit-learn
+
–
0
0 votes
867
867 views
What is human-in-the-loop machine learning system?
answered
Feb 13, 2019
Machine Learning Interview Questions
machine-learning
interview
+
–
0
0 votes
728
728 views
What is the best place to start working with IBM Watson Assistant?
answered
Feb 13, 2019
Cognitive Computing
cognitive-computing
cloud-computing
ibm
watson
+
–
0
0 votes
1.8k
1.8k views
How to get academic license to access IBM cloud services?
answered
Feb 13, 2019
Cognitive Computing
cognitive-computing
cloud-computing
+
–
0
0 votes
700
700 views
What is degree of Freedom while calculating confidence interval?
answered
Dec 28, 2018
Statistics
statistics
data-science
expected-value
normal-distribution
+
–
0
0 votes
595
595 views
What is the easiest way to distinguish whether to use a z value test or a t value test?
answered
Dec 28, 2018
Data Science
statistics
+
–
0
0 votes
587
587 views
How to find the strength of a P-value against a null hypothesis?
answered
Dec 28, 2018
Statistics
statistics
python
+
–
1
1 vote
798
798 views
I'm wondering how I can copy files from my computer to the server on Digital Cloud?
I've created a server on Digital Ocean, and employed uWSGI + NGINX to run a Flask application on the Ubuntu server. I need to copy some files from my computer to the serv...
answered
Dec 6, 2018
Web Development
python
web-development
+
–
0
0 votes
610
610 views
Merging data using dates
Index _d.index incident dataDatetimeIndex(['2011-01-01 00:03:43', '2011-01-01 00:03:55', '2011-01-01 00:05:03', '2011-01-01 00:04:46', '2011-01-01 00:06:07', '2011-01-01 ...
answered
Dec 6, 2018
Machine Learning
python
merging-datasets
+
–
0
0 votes
666
666 views
How do you know when to use T-Distribution instead of regular Confidence Interval?
answered
Dec 5, 2018
Statistics
statistics
+
–
0
0 votes
3.6k
3.6k views
What is the difference between a batch and an epoch in a Neural Network?
Both of the batch size and number of epochs are integer values and seem to do the same thing in Stochastic gradient descent. What are these two hyper-parameters of this l...
answered
Oct 31, 2018
Machine Learning Interview Questions
machine-learning
deep-learning
stochastic-gradient-descent
batch
epoch
interview
hyper-parameter
ml-final
ai-final
+
–
0
0 votes
6.2k
6.2k views
When should we use Mean, Median or Mode as Measures of Central Tendency?
answered
Oct 24, 2018
Data Science Interview Questions
statistics
mean
median
mode
+
–
1
1 vote
6.5k
6.5k views
Hey, anyone knows how to save workspace in jupyter python? I would like to save the variables and functions, etc.
answered
Oct 24, 2018
Python
python
jupyter-notebook
pickle
dill
+
–
0
0 votes
1.1k
1.1k views
how to choose the number of clusters based on intertia and based on silhouette using K-means
how to choose the number of clusters based on intertia and based on silhouette using K-means
answered
Oct 21, 2018
Machine Learning
k-means
clustering
+
–
0
0 votes
678
678 views
ploting the xticks to be datatime
I have a dataframe like belowMT_001 MT_002 hour 2012-01-01 00:15:00 3.807107 22.759602 00:15:00 2012-01-01 00:30:00 5.076142 22.759602 00:30:00 2012-01-01 00:45:00 3.8071...
answered
Oct 21, 2018
Python
programming
python
plots
+
–
0
0 votes
606
606 views
What are basic steps for treating missing values?
answered
Oct 18, 2018
Exploratory Data Analysis
data-science
missing-values
data-cleaning
python
tidy-data
+
–
0
0 votes
597
597 views
What are the general steps in data cleaning?
answered
Oct 18, 2018
General
tidy-data
data-cleaning
python
data-science
+
–
0
0 votes
918
918 views
Great Video for K-means and PCA
PCAhttps://www.youtube.com/watch?v=FgakZw6K1QQK-Meanshttps://www.youtube.com/watch?v=4b5d3muPQmA&index=10&list=PLblh5JKOoLUICTaGLRoHQDuF_7q2GfuJF&t=0s
answered
Oct 18, 2018
Machine Learning
k-means
machine-learning
pca
unsupervised-learning
+
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