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python Programming Glossary: row“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.. about 1GB. Files are organized into such a manner where a row consists of a record of consumer data. Each row has the same.. where a row consists of a record of consumer data. Each row has the same number of columns for every record. This will always..
Solving embarassingly parallel problems using Python multiprocessing http://stackoverflow.com/questions/2359253/solving-embarassingly-parallel-problems-using-python-multiprocessing . Here is the example problem Given a CSV file with rows of integers as input compute their sums. Separate the problem.. __doc__ ARGUMENTS INPUT_CSV an input CSV file with rows of numbers OUTPUT_CSV an output file that will contain the.. the input CSV and yields tuples with the index of the row as the first element and the integers of the row as the second..
Decimal place issues with floats and decimal.Decimal http://stackoverflow.com/questions/286061/decimal-place-issues-with-floats-and-decimal-decimal and y is the answer vector def equations b y i 0 eqn row while i len b j 0 row while j len b if i j row.append y i.. vector def equations b y i 0 eqn row while i len b j 0 row while j len b if i j row.append y i b i i else row.append.. y i 0 eqn row while i len b j 0 row while j len b if i j row.append y i b i i else row.append b i j b i i j j 1 eqn.append..
http://stackoverflow.com/questions/3684484/peak-detection-in-a-2d-array decide to simply look for the maximums of each column and row can't look in one direction due to the shape of the paw . This..
How can I improve my paw detection? http://stackoverflow.com/questions/4087919/how-can-i-improve-my-paw-detection over time and would start looking for the sum of each row until it finds on that 0.0. Then it does the same for the columns.. 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.. that are zero again. It stores the minimal and maximal row and column values to some index. As you can see in the figure..
Using strides for an efficient moving average filter http://stackoverflow.com/questions/4936620/using-strides-for-an-efficient-moving-average-filter like 0 1 2 1 2 3 2 3 4 ... which corresponds to the top row of the filter kernel. Roll along the vertical axis to get the.. kernel. Roll along the vertical axis to get the middle row of the kernel 10 11 12 11 12 13 13 14 15 ... and add it to the.. add it to the array I got in 1 Repeat to get the bottom row of the kernel 20 21 22 21 22 23 22 23 24 ... . At this point..
Python: simple list merging based on intersections http://stackoverflow.com/questions/9110837/python-simple-list-merging-based-on-intersections nums dict data set m for m in data # Convert to sets for r row in enumerate data for num in row if num not in nums # New number.. # Convert to sets for r row in enumerate data for num in row if num not in nums # New number tag it with a pointer to this.. num not in nums # New number tag it with a pointer to this row's bin nums num r continue else dest locatebin bins nums num..
custom matplotlib plot : chess board like table with colored cells http://stackoverflow.com/questions/10194482/custom-matplotlib-plot-chess-board-like-table-with-colored-cells height text fmt.format val loc 'center' facecolor color # Row Labels... for i label in enumerate data.index tb.add_cell i..
Reading Table Contetnts In MS-Word File Using Python http://stackoverflow.com/questions/10366596/reading-table-contetnts-in-ms-word-file-using-python starts at 1 table doc.Tables 1 To select a cell table.Cell Row 1 Column 1 To get its content table.Cell Row 1 Column 1 .Range.Text.. table.Cell Row 1 Column 1 To get its content table.Cell Row 1 Column 1 .Range.Text Hope that this helps. EDIT An example.. for i in range 1 table.Columns.Count 1 if table.Cell Row 1 Column i .Range.Text header_text return i then you can access..
Python: Data Structure for Maintaing Tabular Data in Memory? http://stackoverflow.com/questions/1038160/python-data-structure-for-maintaing-tabular-data-in-memory separated without titles this is just an illustration Row Name Year Priority 1 Cat 1998 1 2 Fish 1998 2 3 Dog 1999 1.. 1 4 Aardvark 2000 1 5 Wallaby 2000 1 6 Zebra 2001 3 Notes Row may be a real value written to the file or just an auto generated.. 1 2 1 1 1 3 Dictionary with keys being tuples of Row Field Create constants to avoid string searching NAME 1 YEAR..
http://stackoverflow.com/questions/11881165/slice-pandas-dataframe-by-row Pandas DataFrame by Row I am working with survey data loaded from an h5 file as hdf..
Python: tf-idf-cosine: to find document similarity http://stackoverflow.com/questions/12118720/python-tf-idf-cosine-to-find-document-similarity ' with 1787553 stored elements in Compressed Sparse Row format Now to find the cosine distances of one document e.g... ' with 89 stored elements in Compressed Sparse Row format scikit learn already provides pairwise metrics a.k.a...
Cell assignment of a 2-dimensional Matrix in Python, without numpy http://stackoverflow.com/questions/12994595/cell-assignment-of-a-2-dimensional-matrix-in-python-without-numpy how I did it and the wrong for my needs output list_MatrixRow list_Matrix #Not to be confused by what the book calls optimal.. alignment score matrix int_NumbOfColumns 12 int_NumbOfRows 8 for i in range 0 int_NumbOfColumns # Puts Zeros across the.. in range 0 int_NumbOfColumns # Puts Zeros across the first Row list_AlignMatrixRow.append 0 for i in range 0 int_NumbOfRows..
http://stackoverflow.com/questions/2540059/scipy-sparse-arrays ' with 49757 stored elements in Compressed Sparse Row format And the timings timeit numpy.dot x x 10000 loops best..
Which language is easiest and fastest to work with XML content? http://stackoverflow.com/questions/301493/which-language-is-easiest-and-fastest-to-work-with-xml-content s.getiterator s Table self.ns0 for r in t.getiterator s Row self.ns0 # The XML may not be really useful. # In some cases..
Python: pretty-printing ascii tables? http://stackoverflow.com/questions/5909873/python-pretty-printing-ascii-tables 4d00f7abadcf 1 Example from collections import namedtuple Row namedtuple 'Row' 'first' 'second' 'third' data Row 1 2 3 data.. Example from collections import namedtuple Row namedtuple 'Row' 'first' 'second' 'third' data Row 1 2 3 data Row first 1 second.. Row namedtuple 'Row' 'first' 'second' 'third' data Row 1 2 3 data Row first 1 second 2 third 3 pprinttable data first..
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