chrisaycock

New York, NY

https://www.chrisaycock.com

I work for a proprietary trading firm in New York. I'm also the creator of Empirical, a language for time-series analysis.

top accounts reputation activity subscriptions

How do I revert to a previous package in Anaconda?

python anaconda conda asked May 31, 2014 at 20:10

stackoverflow.com

123 votes

Shift elements in a numpy array

python numpy asked May 22, 2015 at 14:36

stackoverflow.com

68 votes

How were some language communities (eg, Ruby and Python) able to prevent fragmentation while others (eg, Lisp or ML) were not?

programming-languages language-design asked Apr 5, 2012 at 23:19

softwareengineering.stackexchange.com

36 votes

Why did the Haskell committee choose monads to represent I/O?

functional-programming history haskell asked May 21, 2012 at 0:40

softwareengineering.stackexchange.com

22 votes

Why is there no "meta-model"?

strategy asked Feb 4, 2011 at 19:52

quant.stackexchange.com

22 votes

How did you become a quant?

career asked Jun 26, 2020 at 17:44

quant.stackexchange.com

15 votes

Unable to query a local variable in pandas 0.14.0

python pandas asked May 31, 2014 at 21:32

stackoverflow.com

14 votes

Using Clang's scan-build with scons and C++11

c++ c++11 clang scons scan-build asked Dec 6, 2012 at 19:32

stackoverflow.com

13 votes

Cluster analysis vs PCA for risk models?

risk-models pca asked Mar 16, 2011 at 16:33

quant.stackexchange.com

11 votes

Data Explorer created a new account; issuing an account merge request resulted in a server error

support data-explorer 500-server-error asked May 13, 2015 at 14:26

meta.stackexchange.com

Top Answers

377

How do I force make/GCC to show me the commands?

stackoverflow.com

210

How to read a Parquet file into Pandas DataFrame?

stackoverflow.com

196

How do I revert to a previous package in Anaconda?

stackoverflow.com

121

The generalist badge should be gold

meta.stackexchange.com

How to get the number of CPUs in Linux using C?

stackoverflow.com

Pandas: Shift down values by one row within a group

stackoverflow.com

Does git return specific return error codes?

stackoverflow.com

Summing over a multiindex level in a pandas series

stackoverflow.com

Are they asking too much of me?

softwareengineering.stackexchange.com

How best to 'hide' embarrassing jobs on a resume (e.g. Yahoo senior software engineer)?

softwareengineering.stackexchange.com

Efficiently storing real-time intraday data in an application agnostic way

quant.stackexchange.com

How much data is needed to validate a short-horizon trading strategy?

quant.stackexchange.com

How to implement a command history on a telnet client? (up/down arrows)

stackoverflow.com

Is there a date/time format that does not have spaces?

stackoverflow.com

How can I get to know the IP address for interfaces in C?

stackoverflow.com

How can the C++ Eigen library perform better than specialized vendor libraries?

stackoverflow.com

How to calculate Rolling Correlation with pandas?

stackoverflow.com

How to speed up matrix multiplication in C++?

stackoverflow.com

How useful is the genetic algorithm for financial market forecasting?

quant.stackexchange.com

How did JavaScript become popular?

softwareengineering.stackexchange.com

What are useful metrics for source code?

softwareengineering.stackexchange.com

What programming languages are most commonly used in quantitative finance?

quant.stackexchange.com

Separating the wheat from the chaff: What quant methods separate skillful managers from lucky ones?

quant.stackexchange.com

Time-series similarity measures

quant.stackexchange.com

Splitting a string by a character

stackoverflow.com

How to create a function in bashrc to accept arguments?

stackoverflow.com

When to use Category rather than Object?

stackoverflow.com

Does pandas iterrows have performance issues?

stackoverflow.com

Is the Interactive Brokers API suitable for hft?

quant.stackexchange.com

Moving your career to another programming language

softwareengineering.stackexchange.com