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geneflow.py
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geneflow.py
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# -*- coding: utf-8 -*-
"""
@author: Alba Casillas Rodríguez (albacaro@correo.ugr.es)
"""
import math
from src import utils as ut
from src import processing as pro
from src import dataobject as dobj
from src import visualize as vis
from src.processing import Task
from src.dataobject import DataObject
from src.etl import ProcessGDC
from src.objects import GDCQuery
from src.objects import DataProject
from src.objects import FileProject
from src.objects import Workflow
from src.model import ModelSelection
from src.model import LogisticRegression
from src.model import RandomForest
from src.model import ScikitLearnModel
from src.model import SupportVectorClassif
from src.model import NeuralNetwork
"""
######################################################
TASK
######################################################
"""
def from_dict(json_task):
"""Returns a object Task replicate from json or dictionary
:return: a object Task replicated
:rtype: Task
"""
return Task.from_dict(json_task)
def workflow_to_json(workfw : Workflow, path = ""):
"""Generate an external file to save every Log object of Workflow
:param path: file where dictionary generates will be saved
:type: str
"""
workfw.generate_json(path)
def workflow_from_json(path = ""):
"""Open a json file with some Log saved as dictionary
and creates a new Workflow throught them
:param path: The file that contains object Task as dictionary for lines
:type: str
:return: a replicate Workflow from json dictionary
:rtype: Workflow
"""
flow = Workflow()
opened = "workflow.json"
if path != "":
opened = path
with open(opened, 'r') as handle:
task_json = ut.json.load(handle)
for tk in task_json:
flow_task = from_dict(tk)
flow.add_function(flow_task)
return flow
def replicate_workflow(workflow, data_object):
"""Replicate a workflow to obtain the same result as previous experiment
:param workflow: a flow of another object that contains step of its experiment
:type workflow: Workflow
:param data_object: a DataObject to which the same process will be applied through the Workflow
:type data_object: DataObject
:return: a DataObject
"""
return workflow.apply(data_object)
"""
######################################################
VISUALIZE
######################################################
"""
def show_figure(fig, xlabel = "x axis", ylabel = "y axis", x_ini_range = None, x_fin_range = None,
y_ini_range = None, y_fin_range = None, legend = True, legend_title = "",
vheight = 600, vwidth = 800, title = "Plot of the figure"):
"""Show in the screen the figure plot with the specified figured parameters.
:param fig: Figure to update.
:type fig: Figure
:param xlabel: Name of the X axis. Defaults to `x axis`.
:type xlabel: str
:param ylabel: Name of the Y axis. Defaults to `y axis`.
:type ylabel: str
:param x_ini_range: Initial value of X axis range. Defaults to None.
:type x_ini_range: int
:param x_fin_range: Final value of X axis range. Defaults to None.
:type x_fin_range: int
:param y_ini_range: Initial value of Y axis range. Defaults to None.
:type y_ini_range: int
:param y_fin_range: Final value of Y axis range. Defaults to None.
:type y_fin_range: int
:param legend: Indicates if the figure will have legend or not. Defaults to `True`.
:type legend: bool
:param legend_title: Name of the legend's label
:type legend_title: str
:param vheight: Height of the figure as image. Defaults to 600.
:type vheight: int
:param vwidth: Width of the figure as image. Defaults to 800.
:type vwidth: int
:param title: Title of the figure. Defaults to `Plot of the figure`.
:type title: str
:return: The figure with the layout's features updated.
:rtype: Figure
"""
return vis.show_figure(fig, xlabel = xlabel, ylabel = ylabel, x_ini_range = x_ini_range, x_fin_range = x_fin_range,
y_ini_range = y_ini_range, y_fin_range = y_fin_range, legend = legend, legend_title = legend_title,
vheight = vheight, vwidth = vwidth, title = title)
def save_image(fig, fig_name = "fig", img_format = "png", os_path = "images",
xlabel = "x axis", ylabel = "y axis", x_ini_range = None, x_fin_range = None,
y_ini_range = None, y_fin_range = None, legend = True, legend_title = "", vheight = 600, vwidth = 800,
title = "Plot of the figure"):
"""Save a figure as image on disk.
:param fig: Figure to update.
:type fig: Figure
:param fig_name: Name of file.
:type fig_name: str
:param img_format: Format of the file saved. Available formats: 'png', 'jpeg',
'webp', 'svg', 'pdf'.
:type img_format: str
:param os_path: Path to save the image.
:type os_path: str
:param xlabel: Name of the X axis. Defaults to `x axis`.
:type xlabel: str
:param ylabel: Name of the Y axis. Defaults to `y axis`.
:type ylabel: str
:param x_ini_range: Initial value of X axis range. Defaults to None.
:type x_ini_range: int
:param x_fin_range: Final value of X axis range. Defaults to None.
:type x_fin_range: int
:param y_ini_range: Initial value of Y axis range. Defaults to None.
:type y_ini_range: int
:param y_fin_range: Final value of Y axis range. Defaults to None.
:type y_fin_range: int
:param legend: Indicates if the figure will have legend or not. Defaults to `True`.
:type legend: bool
:param legend_title: Name of the legend's label
:type legend_title: str
:param vheight: Height of the figure as image. Defaults to 600.
:type vheight: int
:param vwidth: Width of the figure as image. Defaults to 800.
:type vwidth: int
:param title: Title of the figure. Defaults to `Plot of the figure`.
:type title: str
"""
vis.save_image(fig, fig_name = fig_name, img_format = img_format, os_path = os_path,
xlabel = xlabel, ylabel = ylabel, x_ini_range = x_ini_range, x_fin_range = x_fin_range,
y_ini_range = y_ini_range, y_fin_range = y_fin_range, legend = legend, legend_title = legend_title,
vheight = vheight, vwidth = vwidth, title = title)
def show_image_web(fig):
"""Show an image on a web browser. If there is not an available web browser,
it shows the image on the default application to visualize images.
:param fig: Figure to dislay.
:type fig: Figure
"""
vis.show_image_web(fig)
def bar_plot(data, x = None, y = None):
"""Create a bar diagram with the data received as the input.
:param data: Data values to create the diagram.
:type data: DataFrame
:param x: Name of X axis. Defaults to None.
:type x: str
:param y: Name of Y axis. Defaults to None.
:type y: str
:return: Figure that contains the bar plot
:rtype: Figure
"""
return vis.bar_plot(data, x = x, y = y)
def kde_plot(data):
"""Creates a Kernel Density Estimation (kde) diagram with the data received as the input.
A kernel density estimate (KDE) plot is a method for visualizing the distribution
of observations in a dataset, analagous to a histogram.
:param data: Data values to create the diagram.
:type data: DataFrame
:return: Figure that contains the KDE plot.
:rtype: Figure
"""
return vis.kde_plot(data)
def box_plot(data, x = None, y = None, median = False):
"""Creates a box plot with the data received as the input.
If "median" parameter is true, the function will display a line with the median value.
If x and y are not None, they must be name of row and column of the data.
:param data: The data used to create the plot.
:type data: DataFrame
:param x: Name of X axis. Defaults to None.
:type x: str
:param y: Name of Y axis. Defaults to None.
:type y: str
:param median: Indicates if the diagram will show a median line.
Defaults to `False`.
:type median: bool
:return: Figure that contains the box plot.
:rtype: Figure
"""
return vis.box_plot(data, x = x, y = y, median = median)
def mds_plot(data, color_list = [], clinical_info = [], symbols = [], text_plot = True):
"""Creates a multidimensional diagram plot with the data received as the input.
If "color_list" parameter is empty, colors will be formed automatically by function,
otherwise, lenght of them must be the same as lenght of data columns
If "text_plot" is true, the name of the columns will appear over the point its point on the plot,
if False will only appear the point
:param data: The data used to create the plot.
:type data: DataFrame
:param color_list: A list of colors to be used on plot
:type color_list: list
:param clinical_info: A classification of the samples to represent them by types
:type clinical_info: list
:param symbols: A classification of the samples to represent them by symbols
:type symbols: list
:param text_plot: Indicates if name of column should appear over its representation on plot
:type text_plot: bool
:return: Figure that contains the mds plot.
:rtype: Figure
"""
return vis.mds_plot(data = data, color_list = color_list, clinical_info = clinical_info, symbols = symbols, text_plot = text_plot)
def volcano_plot(data, clinical_data, grouped_by, group_1, group_2):
"""Creates a volcano plot with the data received as the input.
To do a volcano plot is necessary to indicates two types of information
collected in clinical data.
It will be neccesary calculated a stadistic information
:param data: The data used to create the plot.
:type data: DataFrame
:param clinical_data: A dataframe with clinical information of the count matrix
:type clinical_data: DataFrame
:param grouped_by: Name of the clinical data column to organize the plot
:type grouped_by: str
:param group_1: A type of the clinical data column selected
:type group_1: str
:param group_2: A second type of the clinical data column selected
:type group_2: str
:return: Figure that contains the volcano plot.
:rtype: Figure
"""
return vis.volcano_plot(data, clinical_data, grouped_by, group_1, group_2)
def heatmap(x, y, z, color = 'YlOrRd'):
"""Create a heatmap with the data received as the input.
:param x: The data to create the heatmap.
:type x: list
:param y: The data to create the heatmap.
:type y: list
:param z: The data to create the heatmap.
:type z: list
:param color: color spectrum used on heatmap
:type color: str
:return: Figure that contains the heatmap.
:rtype: Figure
"""
return vis.heatmap(x, y, z, color = color)
def clustermap(data, color = 'YlOrRd'):
"""Create a clustermap with the data received as the input.
A clustermap order data by similarity.
This reorganizes the data for the rows and columns and displays
similar content next to one another for even more
depth of understanding the data.
:param data: The data to create the clustermap.
:type data: DataFrame
:param color: color spectrum used on heatmap of clustermap
:type color: str
:return: Figure that contains the clustermap.
:rtype: Figure
"""
return vis.clustermap(data)
def duplicated_corr_plot(data_duplicated, ini_row = 1001, fin_row = 2000):
"""Create a diagram to display the correlation between duplicate variables.
In case the original dataFrame is set as the input, the method will be check
for duplicates. If the DataFrame contains only the duplicates, this checking
will not affect the result.
The layout wil be created the most squared and symetric as possible.
:param data_duplicated: The duplicated data used to create the diagram
:type data_duplicated: DataFrame
:param ini_row: First row to select the data will be used. Defaults to 1001.
:type ini_row: int
:param fin_row: Final row to select the data will be used. Dafults to 2000.
:type fin_row: int
:return: figure that contains a diagram with duplicated data of a correlation
:rtype: figure
"""
return vis.duplicated_corr_plot(data_duplicated, ini_row = ini_row, fin_row = fin_row)
# =============================================================================
# MACHINE LEARNING VISUALIZATIONS
# =============================================================================
def plot_prec_recall_vs_thresh(testy, predictions):
"""Creates the curve between Precision-Real and Thresholds.
:param testy: Real value of a dataset if a ML algorithm has been applied.
:type testy: list
:param predictions: Result of apply ML on the dataset.
:type predictions: list
:return: Figure that contains the plot showing the precision recall curve over thresholds.
:rtype: Figure
"""
return vis.plot_prec_recall_vs_thresh(testy, predictions)
def plot_roc(testy, predictions):
"""Creates a ROC Curve.
:param testy: Real value of a dataset if a ML algorithm has been applied.
:type testy: list
:param predictions: Result of apply ML on the dataset.
:type predictions: list
:return: Figure that contains the ROC Curve of the Real Value and Predictions.
:rtype: Figure
"""
return vis.plot_roc(testy, predictions)
def plot_prc(testy, predictions):
"""Creates a Precision-Recall (PR) Curve.
:param testy: Real value of a dataset if a ML algorithm has been applied.
:type testy: list
:param predictions: Result of apply ML on the dataset.
:type predictions: list
:return: Figure that contains the PR Curve of the Real Value and Predictions.
:rtype: Figure
"""
return vis.plot_prc(testy, predictions)
def plot_confusion_matrix(matrix, label_list = None, color = "Viridis"):
"""Create a figure with the Confusion Matriz as Heatmap.
:param matrix: Contains the elements and data of a confusion matrix.
:type matrix: list[list]
:param label_list: Used as value of axis. Defaults to None.
:type label_list: list
:param color: color spectrum used on heatmap. Defaults to `Viridis`.
:type color: list
:return: Figure that contains the heatmap showing the colored confusion matrix.
:rtype: Figure
"""
return vis.plot_confusion_matrix(matrix, label_list = label_list, color = color)
"""
######################################################
PROCESSING
######################################################
"""
# =============================================================================
# ACCESS
# =============================================================================
def columnames(data=None):
"""Return on a list the name of the columns of the DataFrame
:param data: a dataframe to obtain the name of its columns
:type data: DataFrame
:return: a list with the column names of the data
:rtype: list
"""
return pro.DataColumnames().apply(data)
def rownames(data=None):
"""Return on a list the name of the rows of the DataFrame
:param data: a dataframe to obtain the name of its rows
:type data: DataFrame
:return: a list with the row names of the data
:rtype: list
"""
return pro.DataRownames().apply(data)
def explain_variable(samples, var_id):
"""Return information about a specific variable of a DataFrame
:param samples: a dataframe with information of variables
:type data: DataFrame
:param var_id: specific identificator of a variable
:type var_id: str, int
:return: specific information of a variable
:rtype: series
"""
return pro.DataExplainVariable(var_id).apply(samples)
def explain_variable_colname(samples, var_id, colnm):
"""Return specific field about a specific variable of a DataFrame
:param samples: a dataframe with information of variables
:type data: DataFrame
:param var_id: specific identificator of a variable
:type var_id: str, int
:param colnm: specific column name of the DataFrame (field)
:type colnm: str, int
:return: specific field of information of a variable
:rtype: series
"""
return pro.DataExplainVariableColname(var_id, colnm).apply(samples)
def explain_all_variable_colname(samples, colnm):
"""Return specific field about all variables of a DataFrame
:param samples: a dataframe with information of variables
:type data: DataFrame
:param colnm: specific column name of the DataFrame (field)
:type colnm: str, int
:return: a dataframe with specific field of information about all variables
:rtype: DataFrame
"""
return pro.DataExplainAllVariableColname(colnm).apply(samples)
# =============================================================================
# CHECKING
# =============================================================================
def check_element(list_ = [], element = ""):
"""Check if a given element is on a list or array
:param list_: The current list to be process
:type list_: list
:param element: element to find on a list
:type element: int, float, str, bool
:return: True if element is on a list, False otherwise
:rtype: bool
"""
return pro.CheckElement(element).apply(list_)
def check_all_element(list_ = [], sublist = []):
"""Check if a given list of elements are on a list or array
:param list_: The current list to be process
:type list_: list
:param sublist: list of element to find
:type sublist: list, ndarray
:return: True if all elements is on a list, False otherwise
:rtype: bool
"""
return pro.CheckAllElement(sublist).apply(list_)
def check_sub_element(list_ = [], partial_sublist = []):
"""It receives a list with elements where it is only needed to find
a SUBSTRING of the name to be valid.
:param list_: The current list to be process
:type list_: list
:param partial_sublist: list of element to find without need to match all name
:type partial_sublist: list, ndarray
:return: a list of coincidence with the large name
:rtype: list, ndarray
"""
return pro.CheckSubElement(partial_sublist).apply(list_)
def check_sub_element_short(list_ = [], partial_sublist = []):
"""It receives a list with elements where it is only needed to find
a SUBSTRING of the name to be valid, but returns the short name founded
:param list_: The current list to be process
:type list_: list
:param partial_sublist: list of element to find without need to match all name
:type partial_sublist: list, ndarray
:return: a list of coincidence with the short name
:rtype: list, ndarray
"""
return pro.CheckSubElementShort(partial_sublist).apply(list_)
# =============================================================================
# EXTRACTION
# =============================================================================
# Projection means choosing which columns (or expressions) the query shall return.
def data_projection_list(data=None, column_list=[]):
"""Extract a Sub-DataFrame selecting a specific column list.
:param data: The current DataFrane to be process
:type data: DataFrame
:param column_list: A list with the names of the columns to keep
:type column_list: list
:return: a Sub-DataFrame with selected columns
:rtype: DataFrame
"""
return pro.DataProjectionList(column_list).apply(data)
def data_projection_index(data=None, indx=0):
"""Extract a Sub-DataFrame selecting a specific column by index.
:param data: The current DataFrane to be process
:type data: DataFrame
:param indx: a number of a column. Must be on range of lenght columns
:type indx: int
:return: a Sub-DataFrame with selected column
:rtype: DataFrame
"""
return pro.DataProjectionIndex(indx).apply(data)
def data_projection_name(data=None, name = ""):
"""Extract a Sub-DataFrame selecting a specific column by name.
:param data: The current DataFrane to be process
:type data: DataFrame
:param name: a name of a column. Must exists
:type name: str
:return: a Sub-DataFrame with selected column
:rtype: DataFrame
"""
return pro.DataProjectionName(name).apply(data)
def data_projection_range(data=None, ini_column = 0, fini_column = -1):
"""Extract a Sub-DataFrame selecting a range of columns
:param data: The current DataFrane to be process
:type data: DataFrame
:param ini_column: a initial position to project. Must be on range of lenght columns
:type ini_column: int
:param fini_column: a final position to project. Must be on range of lenght columns
:type fini_column: int
:return: a Sub-DataFrame with the selected columns in an interval
:rtype: DataFrame
"""
return pro.DataProjectionRange(ini_column, fini_column).apply(data)
def data_projection_filter(data=None, filter_ = None):
"""Extract a Sub-DataFrame selecting columns by filter.
:param data: The current DataFrane to be process
:type data: DataFrame
:param filter_: a filter to do the projection by columns
:type filter_: pd.Series, pd.DataFrame
:return: a Sub-DataFrame after apply a filter by columns
:rtype: DataFrame
"""
return pro.DataProjectionFilter(filter_).apply(data)
def data_projection_substring(data=None, column_list=[], rename = False):
"""Extract a Sub-DataFrame selecting a specific column list no matter if name doesn't match complete.
:param data: The current DataFrane to be process
:type data: DataFrame
:param column_list: A list with the names of the columns to keep
:type column_list: list
:param rename: check if should rename the column to the short name. True, then rename, False, not
:type rename: bool
:return: a Sub-DataFrame with selected columns
:rtype: DataFrame
"""
return pro.DataProjectionSubstring(column_list, rename).apply(data)
# Selection means which rows are to be returned.
def data_selection_list(data=None, row_list=[]):
"""Extract a Sub-DataFrame selecting a specific row list.
:param data: The current DataFrane to be process
:type data: DataFrame
:param row_list: A list with the names of the rows to keep
:type row_list: list
:return: a Sub-DataFrame with selected rows
:rtype: DataFrame
"""
return pro.DataSelectionList(row_list).apply(data)
def data_selection_index(data=None, indx=0):
"""Extract a Sub-DataFrame selecting a specific row by index.
:param data: The current DataFrane to be process
:type data: DataFrame
:param indx: a number of a row. Must be on range of lenght row
:type indx: int
:return: a Sub-DataFrame with selected row
:rtype: DataFrame
"""
return pro.DataSelectionIndex(indx).apply(data)
def data_selection_name(data=None, name = ""):
"""Extract a Sub-DataFrame selecting a specific row by name.
:param data: The current DataFrane to be process
:type data: DataFrame
:param name: a name of a row. Must exists
:type name: str
:return: a Sub-DataFrame with selected row
:rtype: DataFrame
"""
return pro.DataSelectionName(name).apply(data)
def data_selection_range(data=None, ini_row = 0, fini_row = -1):
"""Extract a Sub-DataFrame selecting a range of rows
:param data: The current DataFrane to be process
:type data: DataFrame
:param ini_row: a initial position to select. Must be on range of lenght rows
:type ini_row: int
:param fini_row: a final position to select. Must be on range of lenght rows
:type fini_row: int
:return: a Sub-DataFrame with the selected rows in an interval
:rtype: DataFrame
"""
return pro.DataSelectionRange(ini_row, fini_row).apply(data)
def data_selection_filter(data=None, filter_ = None):
"""Extract a Sub-DataFrame selecting rows by filter.
:param data: The current DataFrane to be process
:type data: DataFrame
:param filter_: a filter to do the selection by rows
:type filter_: pd.Series, pd.DataFrame
:return: a Sub-DataFrame after apply a filter by rows
:rtype: DataFrame
"""
return pro.DataSelectionFilter(filter_).apply(data)
def data_selection_series(series : ut.pd.Series, data=None):
"""Extract a Sub-DataFrame selecting a specific row by series.
:param data: The current DataFrane to be process
:type data: DataFrame
:param series: A series with a structure to keep
:type series: list
:return: a Sub-DataFrame with selected rows
:rtype: DataFrame
"""
return pro.DataSelectionSeries(series).apply(data)
# =============================================================================
# FILTERING
# =============================================================================
def filter_by_index(data=None, index_cond = ""):
"""Extract a Sub-DataFrame selected by a filter of index condition.
For multi-index cases:
index_cond must have index type (it is returned after do dataframe.index)
It keeps only the rows that are in index_cond
:param data: The current DataFrane to be process
:type data: DataFrame
:param index_cond: a condition as filter
:type index_cond: str
:return: a Sub-DataFrame that keeps only the rows that are in index_cond
:rtype: DataFrame
"""
return pro.FilterByIndex(index_cond).apply(data)
def filter_dictionary(data=None, list_var = []):
"""Given a Dictionary, select only elements on a passed list
:param dict_: The current Dictionary to be process
:type dict_: dict
:param list_var: new Count Matrix
:type list_var: list
:return: A new dictionary with filtered elements
:rtype: dict
"""
return pro.FilterDictionary(list_var).apply(data)
# =============================================================================
# INTERSECTION
# =============================================================================
def list_intersection(list_ = [], sublist = []):
"""Obtains a new list with commom elements of two list or array
:param list_: The primary list to be process
:type list_: list
:param sublist: secondary list to find commom elements
:type sublist: list
:return: A list which is the intersection between both input lists
:rtype: list
"""
return pro.ListIntersection(sublist).apply(list_)
def list_intersection_substring(list_ = [], substrings = []):
"""Obtains a new list with commom elements of two lists or array
It is enough if only match partial name of element
:param list_: The primary list to be process
:type list_: list
:param substrings: secondary list to find commom elements
:type substrings: list
:return: A list with founded common substring between two list
:rtype: list
"""
return pro.ListIntersectionSubString(substrings).apply(list_)
# =============================================================================
# ZIP
# =============================================================================
def list_zip(list_ = [], sublist = []):
"""Creates a new dictionary using one list
for the keys, and other to its values
:param list_: The current list to be process
:type list_: list
:param sublist: a list with values of the dictionary
:type sublist: list
:return: with the current list used as keys, creates and returns a dictionary with second list as values
:rtype: dict
"""
return pro.ListZip(sublist).apply(list_)
def data_zip(data=None, key_column = "", values_column = ""):
"""Creates a dictionary using information about two columns
of a DataFrame
:param data: The current DataFrame to be process
:type data: DataFrame
:param key_column: column name of a DataFrame used for the dictionary keys
:type key_column: str
:param values_column: column name of a DataFrame used for the dictionary values
:type values_column: str
:return: with both columns indicates, create and returns a dictionary
:rtype: dict
"""
return pro.DataZip(key_column, values_column).apply(data)
# =============================================================================
# RENAME
# =============================================================================
def rename_columname(data=None, pos_ini = 0, pos_fin = 0):
"""Rename all names of the columns triping the name
:param data: The current DataFrame to be process
:type data: DataFrame
:param pos_ini: position of the first character
:type pos_ini: int
:param pos_fin: position of the last character
:type pos_fin: int
:return: A DataFrame with the column renamed with a substring of the inner column name
:rtype: DataFrame
"""
return pro.RenameColumname(pos_ini, pos_fin).apply(data)
def rename_index(data=None, new_name = ""):
"""Rename the name of the current index of DataFrame
:param data: The current DataFrame to be process
:type data: DataFrame
:param new_name: name that will replace current one
:type new_name: str
:return: The same DataFrame with the index changed
:rtype: DataFrame
"""
return pro.RenameIndex(new_name).apply(data)
# =============================================================================
# DUPLICATES
# =============================================================================
def duplicates(data=None, axis = 0, keep = False):
"""Returns a DataFrame with the duplicates rows or columns of a input DataFrame
:param data: The current DataFrame to be process
:type data: DataFrame
:param axis: axis 0 means by rows, 1 by columns
:type axis: int
:param keep: Indicates which duplicates will keep
\"first\" keeps only the first duplicated column/row; \"last\" keeps only the last duplicated column/row; False keeps both duplicated columns/rows
:type keep: str, bool
:return: A dataframe that only contains duplicated columns or rows
:rtype: DataFrame
"""
return pro.DataDuplicates(axis, keep).apply(data)
# =============================================================================
# INFORMATION
# =============================================================================
def describe(data=None, perc = ""):
"""Show a statistic description about a DataFrame
:param data: The current DataFrame to be process
:type data: DataFrame
:param perc: The percentiles to include in the output
:type perc: list, float
:return: descriptive statistics that summarize the central tendency, dispersion and shape
of the dataset’s distribution, excluding NaN values
:rtype: DataFrame
"""
return pro.Describe(perc).apply(data)
def count_types(data=None, col_name = ""):
"""Shows a Series containing counts of unique values of a specific column.
It will be in descending order so that the first element is the most frequently-occurring element
:param data: The current DataFrame to be process
:type data: DataFrame
:param col_name: name of the column to count types
:type col_name: str
:return: information about types of a column
:rtype: DataFrame
"""
return pro.CountTypes(col_name).apply(data)
# =============================================================================
# REPLACE
# =============================================================================
def replace(data=None, to_replace = "Unknown", replaced_by = ut.np.nan):
"""Replace DataFrame's selected values with another.
:param data: The current DataFrame to be process
:type data: DataFrame
:param to_replace: values to be replaced
:type to_replace: str, float, int, bool, list, ndarray
:param replaced_by: new value to replaced the value before
:type replaced_by: str, float, int, bool
:return: a DataFrame with all values indicates replaced by other value
:rtype: DataFrame
"""
return pro.Replace(to_replace, replaced_by).apply(data)
def fill_nan(data=None, to_replace = "Unknown", replaced_by = ut.np.nan):
"""Replace nan values to mean of the row of DataFrame
Only modifies values of DataFrame.
:param data: The current DataFrame to be process
:type data: DataFrame