tabel module¶
transpose¶
-
tabel.
transpose
(datastruct)¶ Transpose rows and columns.
Convenience function. Usually DB connectors return data as a list of records, Tabel takes and internally stores data as a list of columns (column store). This function will transpose the list of records into a list of columns without a priori assuming anything about the datatype of each individual element.
Parameters: datastruct (list) – list or tuple containing lists or tuples with the data for each row. Returns: transposed datastruct, list containing lists with the data for each column.
-
tabel.
T
(datastruct)¶ Convenience alias for
tabel.transpose
.
read_tabel¶
-
tabel.
read_tabel
(filename, fmt=u'auto')¶ Read data from disk
Read data from disk and return a Tabel object.
Parameters: - filename (str) – filename sring, including path and extension.
- fmt (str) – format specifier, supports: ‘csv’, ‘npz’, ‘gz’.
Returns: Tabel object containing the data.
first¶
-
tabel.
first
(array)¶ Get the first element when doing a
tabel.Tabel.group_by
.- Arguments :
- array (numpy ndarray) :
- numpy 1D array containing the subset of elements
- Returns :
- The first element of ar
- Examples :
- See Tabel.group_by for examples