Skip to main content

Stack Exchange

DYZ

MA, United States

http://networksciencelab.com

I teach computer programming (Python, Erlang), operating systems, data science, and complexity at Suffolk university, Boston. I am the author of Data Science Essentials in Python.

top accounts reputation activity subscriptions
Top Questions
Top Answers
288
TypeError: only integer scalar arrays can be converted to a scalar index with 1D numpy indices array
stackoverflow.com

216
Python - TypeError: Object of type 'int64' is not JSON serializable
stackoverflow.com

73
Pandas(Python) : Fill empty cells with with previous row value?
stackoverflow.com

72
pandas pivot table to data frame
stackoverflow.com

49
Removing non-English words from text using Python
stackoverflow.com

43
Python - re.error: unterminated character set at position
stackoverflow.com

42
unable to decode Python web request
stackoverflow.com

41
Three lists zipped into list of dicts
stackoverflow.com

40
thresh in dropna for DataFrame in pandas in python
stackoverflow.com

36
Error : "sh: gfortran: command not found" | Ubuntu 16.04
stackoverflow.com

24
Trying to change a single value in pandas dataframe
stackoverflow.com

23
Color scatter plot points based on a value in third column?
stackoverflow.com

23
Removing multiple columns with the same name except the first one?
stackoverflow.com

21
How to efficiently apply tuple to multiple columns in a pandas dataframe simultaneously
stackoverflow.com

21
Why the object, which I read a csv file using pandas from, is TextFileReader object
stackoverflow.com

20
Python - TypeError: Can't mix strings and bytes in path components
stackoverflow.com

20
Pandas merge df error
stackoverflow.com

19
Drop column that starts with
stackoverflow.com

18
Pandas Convert Some Rows to Columns in Python
stackoverflow.com

16
NameError: global name 'flash' is not defined
stackoverflow.com

16
how to use python to select first X columns and last Y columns
stackoverflow.com

15
python merge set of fronzensets into one set
stackoverflow.com

15
The ';' character in the input is being misinterpreted
stackoverflow.com

15
K-means using only specific dataframe columns with scikit-learn
stackoverflow.com

15
Convert daily data in pandas dataframe to monthly data
stackoverflow.com

14
Time difference within group by objects in Python Pandas
stackoverflow.com

13
How to get the filesystem's root directory in Python?
stackoverflow.com

12
Networkx drawing label partially outside the box
stackoverflow.com

11
Pandas: Find the max value in one column containing lists
stackoverflow.com

11
Got `bad character range` in regex when using comma after dash but not reverse
stackoverflow.com

1 2 3 4 5 6