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Recipes tagged [data munging]

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How to split train test data using sklearn and python? Data Munging,split, train, test, data, using, sklearn, and
How to reduce dimentionality using PCA in Python? Data Munging,reduce, dimentionality, using, pca
How to reduce dimentionality on Sparse Matrix in Python? Data Munging,reduce, dimentionality, on, sparse, matrix
How to determine Spearmans correlation in Python? Data Munging,determine, spearmans, correlation
How to determine Pearsons correlation in Python? Data Munging,determine, pearsons, correlation
How to utilise Pandas dataframe & series for data wrangling? Data Munging,utilise, pandas, dataframe, &, series, for, data, wrangling
How to do string munging in Pandas? Data Munging,do, string, munging, pandas
How to sort rows within a Pandas DataFrame? Data Munging,sort, rows, within, pandas, dataframe
How to select rows with multiple filters? Data Munging,rows, with, multiple, filters
How to search a value within a Pandas DataFrame row? Data Munging,search, value, within, pandas, dataframe, row
How to search a value within a Pandas DataFrame column? Data Munging,search, value, within, pandas, dataframe, column
How to save Pandas DataFrame as CSV file? Data Munging,save, pandas, dataframe, as, csv, file
How to replace multiple values in a Pandas DataFrame? Data Munging,replace, multiple, values, pandas, dataframe
How to rename multiple column headers in a Pandas DataFrame? Data Munging,rename, multiple, column, headers, pandas, dataframe
How to rename column header of a Pandas DataFrame? Data Munging,rename, column, header, of, pandas, dataframe
How to reindex Pandas Series and DataFrames? Data Munging,reindex, pandas, series, and, dataframes
How to rank a Pandas DataFrame? Data Munging,rank, pandas, dataframe
How to randomly sample a Pandas DataFrame? Data Munging,randomly, sample, pandas, dataframe
How to format string in a Pandas DataFrame Column? Data Munging,format, string, pandas, dataframe, column
How to create Pivot table using a Pandas DataFrame? Data Munging,pivot, table, using, pandas, dataframe
How to Normalise a Pandas DataFrame Column? Data Munging,normalise, pandas, dataframe, column
How to calculate MOVING AVG in a Pandas DataFrame? Data Munging,calculate, moving, avg, pandas, dataframe
How to deal with missing values in a Pandas DataFrame? Data Munging,deal, with, missing, values, pandas, dataframe
How to map values in a Pandas DataFrame? Data Munging,map, values, pandas, dataframe
How to list unique values in a Pandas DataFrame? Data Munging,list, unique, values, pandas, dataframe
How to JOIN and MERGE Pandas DataFrame? Data Munging,join, and, merge, pandas, dataframe
How to present Hierarchical Data in Pandas? Data Munging,present, hierarchical, data, pandas
How to group rows in a Pandas DataFrame? Data Munging,group, rows, pandas, dataframe
How to find the largest value in a Pandas DataFrame? Data Munging,find, largest, value, pandas, dataframe
How to filter in a Pandas DataFrame? Data Munging,filter, pandas, dataframe
How to drop ROW and COLUMN in a Pandas DataFrame? Data Munging,drop, row, and, column, pandas, dataframe
How to get descriptive statistics of a Pandas DataFrame? Data Munging,get, descriptive, statistics, of, pandas, dataframe
How to delete duplicates from a Pandas DataFrame? Data Munging,delete, duplicates, pandas, dataframe
How to create crosstabs from a Dictionary in Python? Data Munging,crosstabs, dictionary
How to create a new column based on a condition in Python? Data Munging,new, column, based, on, condition
How to insert a new column based on condition in Python? Data Munging,insert, new, column, based, on, condition
How to convert string variables into DateTime variables in Python? Data Munging,convert, string, variables, into, datetime, variables
How to convert string categorical variables into numerical variables using Label Encoder? Data Munging,convert, string, categorical, variables, into, numerical, variables, using, label, encoder
How to convert string categorical variables into numerical variables in Python? Data Munging,convert, string, categorical, variables, into, numerical, variables
How to convert categorical variables into numerical variables in Python? Data Munging,convert, categorical, variables, into, numerical, variables
How to preprocess string data within a Pandas DataFrame? Data Munging,preprocess, string, data, within, pandas, dataframe
How to apply arithmatic operations on a Pandas DataFrame? Data Munging,apply, arithmatic, operations, on, pandas, dataframe
How to assign a new column in a Pandas DataFrame? Data Munging,assign, new, column, pandas, dataframe
How to do Data Analysis in a Pandas DataFrame? Data Munging,do, data, analysis, pandas, dataframe
How to apply functions in a Group in a Pandas DataFrame? Data Munging,apply, functions, group, pandas, dataframe
How to deal with an Item in a List in Python? Data Munging,deal, with, item, list
How to convert Strings to DateTimes in Python? Data Munging,convert, strings, datetimes
How to select DateTime within a range in Python? Data Munging,datetime, within, range
How to deal with Rolling Time Window in Python? Data Munging,deal, with, rolling, time, window
How to introduce LAG time in Python? Data Munging,introduce, lag, time
How to deal with missing values in a Timeseries in Python? Data Munging,deal, with, missing, values, timeseries
How to encode Days of a week in Python? Data Munging,encode, days, of, week
How to calculate difference between Dates in Python? Data Munging,calculate, difference, between, dates
How to split DateTime Data to create multiple feature in Python? Data Munging,split, datetime, data, multiple, feature
How to standardise IRIS Data in Python? Data Munging,standardise, iris, data
How to standardise features in Python? Data Munging,standardise, features
How to rescale features in Python? Data Munging,rescale, features
How to process categorical features in Python? Data Munging,process, categorical, features
One hot Encoding with nominal categorical features in Python? Data Munging,one, hot, encoding, with, nominal, categorical, features
One hot Encoding with multiple labels in Python? Data Munging,one, hot, encoding, with, multiple, labels
How to impute missing values with means in Python? Data Munging,impute, missing, values, with, means
How to deal with outliers in Python? Data Munging,deal, with, outliers
How to deal with imbalance classes with upsampling in Python? Data Munging,deal, with, imbalance, classes, with, upsampling
How to deal with imbalance classes with downsampling in Python? Data Munging,deal, with, imbalance, classes, with, downsampling
How to encode ordinal categorical features in Python? Data Munging,encode, ordinal, categorical, features
How to find outliers in Python? Data Munging,find, outliers
How to delete instances with missing values in Python? Data Munging,delete, instances, with, missing, values
How to impute missing class labels using nearest neighbours in Python? Data Munging,impute, missing, class, labels, using, nearest, neighbours
How to impute missing class labels in Python? Data Munging,impute, missing, class, labels
How to convert Categorical features to Numerical Features in Python? Data Munging,convert, categorical, features, numerical, features
How to prepare a machine learning workflow in Python? Data Munging,prepare, machine, learning, workflow
How to Create simulated data for clustering in Python? Data Munging,simulated, data, for, clustering
How to Create simulated data for classification in Python? Data Munging,simulated, data, for, classification
How to Create simulated data for regression in Python? Data Munging,simulated, data, for, regression
How to load sklearn Boston Housing data? Data Munging,load, sklearn, boston, housing, data
How to load features from a Dictionary in python? Data Munging,load, features, dictionary
How to add and subtract between matrices? Data Munging,add, and, subtract, between, matrices
How to Divide each element of a matrix by a numerical value? Data Munging,divide, each, element, of, matrix, by, numerical, value
How to MULTIPLY numerical value to each element of a matrix? Data Munging,multiply, numerical, value, each, element, of, matrix
How to SUBTRACT numerical value to each element of a matrix? Data Munging,subtract, numerical, value, each, element, of, matrix
How to ADD numerical value to each element of a matrix? Data Munging,add, numerical, value, each, element, of, matrix
How to calculate dot product of two vectors? Data Munging,calculate, dot, product, of, two, vectors
How to find Maximum and Minimum values in a Matrix? Data Munging,find, maximum, and, minimum, values, matrix
How to find the Rank of a Matrix? Data Munging,find, rank, of, matrix
How to Calculate Mean, Variance and Std of a Matrix or ndArray? Data Munging,calculate, mean,, variance, and, std, of, matrix, ndarray
How to create RANDOM Numbers in Python? Data Munging,random, numbers
How to define WHILE Loop in Python? Data Munging,define, while, loop
How to define FOR Loop in Python? Data Munging,define, for, loop
How to find MIN, MAX in a Dictionary? Data Munging,find, min,, max, dictionary
How to deal with Dictionary Basics in Python? Data Munging,deal, with, dictionary, basics
How to deal with Date & Time Basics in Python? Data Munging,deal, with, date, &, time, basics
How to Create and Delete a file in Python? Data Munging,and, delete, file
How to convert STRING to DateTime in Python? Data Munging,convert, string, datetime
How to use CONTINUE and BREAK statement within a loop in Python? Data Munging,use, continue, and, break, statement, within, loop
How to do numerical operations in Python using Numpy? Data Munging,do, numerical, operations, using, numpy
How to Flatten a Matrix? Data Munging,flatten, matrix
How to Calculate Determinant of a Matrix or ndArray? Data Munging,calculate, determinant, of, matrix, ndarray
How to calculate Diagonal of a Matrix? Data Munging,calculate, diagonal, of, matrix
How to Calculate Trace of a Matrix? Data Munging,calculate, trace, of, matrix
How to invert a matrix or nArray in Python? Data Munging,invert, matrix, narray
How to convert a dictionary to a matrix or nArray in Python? Data Munging,convert, dictionary, matrix, narray
How to reshape a Numpy array in Python? Data Munging,reshape, numpy, array
How to select elements from Numpy array in Python? Data Munging,elements, numpy, array
How to create a sparse Matrix in Python? Data Munging,sparse, matrix
How to Create a Vector or Matrix in Python? Data Munging,vector, matrix
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