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1
1 vote
1
answers
1 answer
2.0k
2.0k views
What are the best tools and resources for learning programming?
I am wondering if anyone can suggest the best resources and tools for learning programming?
askdatascience
1.0k
points
12
13
16
asked
Aug 26, 2018
Programming
books
resources
apps
programming
+
–
10
10 votes
2
answers
2 answers
4.9k
4.9k views
How to use LinkedIn Learning (formerly Lynda.com) for free?
I heard some people use Lynda.com resources for free. Could someone let me know how does it work?
tofighi
116k
points
73
79
101
asked
Sep 16, 2018
General
linkedin-learning
lynda
video-tutorial
tutorials
+
–
0
0 votes
1
1 answer
2.0k
2.0k views
If s='Sammy' what is the output of s[2:]?
wxeshetu
400
points
5
5
8
asked
Oct 29, 2018
Python
python
+
–
0
0 votes
1
1 answer
632
632 views
How do I create comments in my code?
wxeshetu
400
points
5
5
8
asked
Oct 29, 2018
Python
python
+
–
1
1 vote
1
1 answer
905
905 views
How will you create a classification to identify key customer trends in unstructured data?
rozhan
710
points
5
5
9
asked
Oct 28, 2018
Data Science Interview Questions
data-science
+
–
1
1 vote
1
1 answer
1.3k
1.3k views
Mention some common problems that data analysts encounter during analysis.
rozhan
710
points
5
5
9
asked
Oct 28, 2018
Data Science Interview Questions
data-analysis
+
–
1
1 vote
1
1 answer
986
986 views
Explain the typical data analysis process.
rozhan
710
points
5
5
9
asked
Oct 28, 2018
Data Science Interview Questions
data-science
data-analysis
+
–
1
1 vote
1
1 answer
803
803 views
What is the difference between Data Mining and Data Analysis?
rozhan
710
points
5
5
9
asked
Oct 28, 2018
Data Science Interview Questions
data-science
data-mining
data-analysis
+
–
1
1 vote
1
1 answer
904
904 views
How to discover outliers of a data frame?
rozhan
710
points
5
5
9
asked
Oct 28, 2018
Statistics
outliers
outlier
boxplot
percentile
python
+
–
1
1 vote
1
1 answer
799
799 views
Which scenarios among the following are a valid reason to use regularization?
A. To drop the least useful variables of a modelB. To reduce over-fittingC. To reduce the bias of a modelD. To decrease p-value
Gabriel777
280
points
2
2
5
asked
Oct 27, 2018
Data Science Interview Questions
statistics
data-science
programming
combination
+
–
1
1 vote
1
1 answer
569
569 views
How to transform categorical variable into a matrix binary feature?
Which of the following feature transformations would be a good choice to transform a categorical variable into a matrix binary feature?A. One-hot-encodingB. Principal Com...
Gabriel777
280
points
2
2
5
asked
Oct 27, 2018
Data Science Interview Questions
python
programming
+
–
1
1 vote
1
1 answer
879
879 views
What are the Interaction Design Basics?
hurtadro
450
points
5
5
6
asked
Oct 25, 2018
Human Computer Interaction
hci
design
+
–
1
1 vote
1
answers
1 answer
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.
xuxinc
230
points
2
2
5
asked
Oct 24, 2018
Python
python
jupyter-notebook
pickle
dill
+
–
1
1 vote
1
1 answer
3.1k
3.1k views
Using Tensorflow.DNNClassifier, getting Error: assertion failed: [Labels must >= 0]
Hi All,I am writing a simple program using Tensorflow and DNNClassifier. Training Data is 9 pixel with four spectral bands, i.e. 4*9=36 featurs. And each data-point will ...
mllearner000
190
points
1
1
4
asked
Oct 23, 2018
Deep Learning
deep-learning
tensorflow
classification
dnnclassifier
+
–
1
1 vote
1
1 answer
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
Neo
660
points
10
12
17
asked
Oct 19, 2018
Machine Learning
k-means
clustering
+
–
1
1 vote
1
1 answer
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...
Neo
660
points
10
12
17
asked
Oct 19, 2018
Python
programming
python
plots
+
–
0
0 votes
1
1 answer
606
606 views
What are basic steps for treating missing values?
tofighi
116k
points
73
79
101
asked
Oct 18, 2018
Exploratory Data Analysis
data-science
missing-values
data-cleaning
python
tidy-data
+
–
0
0 votes
1
1 answer
597
597 views
What are the general steps in data cleaning?
tofighi
116k
points
73
79
101
asked
Oct 18, 2018
General
tidy-data
data-cleaning
python
data-science
+
–
0
0 votes
1
1 answer
588
588 views
How can you tell a Python library is a good one and useful?
If a big company such as Google behind it, with high probability it is a great library such as TensorFlow. But in general how can I found out?
tofighi
116k
points
73
79
101
asked
Oct 18, 2018
Python
library
python
programming
+
–
1
1 vote
1
1 answer
743
743 views
In a dataframe of a size (5,10) with random values, how to have exactly 5 NAN values in each row?
Sumi
140
points
2
2
4
asked
Oct 17, 2018
Python
python
programming
jupyter-notebook
+
–
1
1 vote
1
1 answer
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
DavidS
200
points
2
2
4
asked
Oct 17, 2018
Machine Learning
k-means
machine-learning
pca
unsupervised-learning
+
–
2
2 votes
2
2 answers
1.1k
1.1k views
plotting categorical radio
Hello,I am trying to gain insight of the data but having hard time plotting it.Suppose I have a data frame like belowIDFeature 1Class1agood2agood3bgood4bbad5abad6abad7bba...
Neo
660
points
10
12
17
asked
Oct 16, 2018
Python
python
programming
plots
matplotlib
+
–
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