python Programming Glossary: rows

http://stackoverflow.com/questions/1053928/python-numpy-very-large-matrices

is handy when dealing with tens or hundreds of millions of rows. It's also very fast my 5 year old laptop can crunch through.. data doing SQL like GROUP BY aggregation at 1 000 000 rows second. Not bad for a Python based solution Accessing the data..

“Large data” work flows using pandas

http://stackoverflow.com/questions/14262433/large-data-work-flows-using-pandas

of both numeric and character data. I rarely append rows but I do perform many operations that create new columns. Typical.. be the case. It's pretty rare that I would subset by rows when creating a new column. However it's pretty common for me.. new column. However it's pretty common for me to subset on rows when creating reports or generating descriptive statistics...

How can I improve my paw detection?

http://stackoverflow.com/questions/4087919/how-can-i-improve-my-paw-detection

same for the columns and as soon as it finds more than 2 rows with that are zero again. It stores the minimal and maximal.. can have 'hollow feet' which means there are several empty rows within the footprint itself. Since I feared this could happen.. with large dogs too I waited for at least 2 or 3 empty rows before cutting off the paw. This creates a problem if another..

Matrix Transpose in Python

http://stackoverflow.com/questions/4937491/matrix-transpose-in-python

words if I were to print this 2D array as columns and rows I would like the rows to turn into columns and columns into.. print this 2D array as columns and rows I would like the rows to turn into columns and columns into rows. I made this so far.. would like the rows to turn into columns and columns into rows. I made this so far but it doesn't work def matrixTranspose..