Index (fahmatrix 0.1.6 API)

A

addColumn(String, List<Object>) - Method in class com.fahmatrix.DataFrame: Add column to the end of data table

com.fahmatrix - package com.fahmatrix
count() - Method in class com.fahmatrix.Series: Returns count of non-null values

DataFrame - Class in com.fahmatrix: DataFrame is the basic object for hadling data

Current Features:
Select/Add column data
Print in System Console
Print data Summary
Import From CSV/TSV, xlsx, Ods, JSON
Export To CSV/TSV, xlsx, Ods, JSON
Reverse (transpose) data
Select Row/Column by Label or Position
Filter By String Opertions (contains, equal, equal ignore case, start with , end with, regex , not empty, custom String Predicate)
DataFrame() - Constructor for class com.fahmatrix.DataFrame: Constructor with empty indexes and columns
DataFrame(List<String>) - Constructor for class com.fahmatrix.DataFrame: Constructor with known indexes and empty columns
DataFrame(List<String>, Map<String, List<Object>>) - Constructor for class com.fahmatrix.DataFrame: Constructor with known indexes and columns
describe() - Method in class com.fahmatrix.DataFrame: Pretty Print Data Summary in System Console

filterByStringPredicate(String, Predicate<String>) - Method in class com.fahmatrix.DataFrame: Filters rows based on a custom string predicate
filterContains(String, String) - Method in class com.fahmatrix.DataFrame: Filters rows where the specified column contains the given substring
filterEndsWith(String, String) - Method in class com.fahmatrix.DataFrame: Filter rows where the specified column ends with the given suffix
filterEquals(String, String) - Method in class com.fahmatrix.DataFrame: Filters rows where the specified column equals the given value (case-sensitive)
filterEqualsIgnoreCase(String, String) - Method in class com.fahmatrix.DataFrame: Filters rows where the specified column equals the given value (case-insensitive)
filterNotEmpty(String) - Method in class com.fahmatrix.DataFrame: Filter rows where the specified column is not null and not empty
filterRegex(String, String) - Method in class com.fahmatrix.DataFrame: Filter rows where the specified column matches the given regex pattern
filterStartsWith(String, String) - Method in class com.fahmatrix.DataFrame: Filter rows where the specified column starts with the given prefix
forEachParallel(Consumer<Object>) - Method in class com.fahmatrix.Series: Thread-safe value processing using Consumer action (works with Number types)

get(int) - Method in class com.fahmatrix.Series: Get certain cell data
get(String) - Method in class com.fahmatrix.Series: Get certain cell data by index name

Note: the index value is different than the column name
getByLabel(String, String) - Method in class com.fahmatrix.DataFrame: Select Cell by row and column name
getByLabels(String[], String[]) - Method in class com.fahmatrix.DataFrame: Select certains rows and columns by name
these names are not Excel A1,B1 names.
getByPosition(int, int) - Method in class com.fahmatrix.DataFrame: Select Cell by row and column positions
getByPositions(int[], int[]) - Method in class com.fahmatrix.DataFrame: Select certains rows and columns by position
getColumn(String) - Method in class com.fahmatrix.DataFrame: return a new Series Object with data of only one column
getColumnsByLabel(String...) - Method in class com.fahmatrix.DataFrame: Select Columns by name
this method assumes you selected all rows
getColumnsByPosition(int...) - Method in class com.fahmatrix.DataFrame: Select certains columns position
getRowsByLabel(String...) - Method in class com.fahmatrix.DataFrame: Select Rows by name
this method assumes you selected all columns
getRowsByPosition(int...) - Method in class com.fahmatrix.DataFrame: Select certains rows position

head() - Method in class com.fahmatrix.DataFrame: Return the first 5 rows as DataFrame Object
head(int) - Method in class com.fahmatrix.DataFrame: Return the first n rows as DataFrame Object

max() - Method in class com.fahmatrix.Series: Returns maximum value (works with Number types)
mean() - Method in class com.fahmatrix.Series: Average of values (works with Number types)
median() - Method in class com.fahmatrix.Series: Median of values (works with Number types)
min() - Method in class com.fahmatrix.Series: Returns minimum value (works with Number types)

percentile(double) - Method in class com.fahmatrix.Series: Calculate percentile for certain value (works with Number types)
percentiles() - Method in class com.fahmatrix.Series: Calculate percentiles (25%, 50%, 75% by default)
percentiles(double[]) - Method in class com.fahmatrix.Series: Calculate custom percentiles using parallel processing (works with Number types)
print() - Method in class com.fahmatrix.DataFrame: Pretty Print in System Console
print() - Method in class com.fahmatrix.Series: Pretty Print in System Console
processInParallel(DoubleUnaryOperator) - Method in class com.fahmatrix.Series: Parallel value processing with custom function (works with Number types)

quantile25() - Method in class com.fahmatrix.Series: Calculate percentile 25% (works with Number types)
quantile50() - Method in class com.fahmatrix.Series: Calculate percentile 50% -aka median- (works with Number types)
quantile75() - Method in class com.fahmatrix.Series: Calculate percentile 75% (works with Number types)

readCSV(String) - Method in class com.fahmatrix.DataFrame: Read , Parse and save the CSV file
Make sure the file is found before calling.
readJson(String) - Method in class com.fahmatrix.DataFrame: Read , Parse and save the JSON file
Make sure the file is found before calling.
readOds(String) - Method in class com.fahmatrix.DataFrame: Read , Parse and save ODS (OpenDocument Spreadsheet) file
Make sure the file is found before calling.
readXlsx(String) - Method in class com.fahmatrix.DataFrame: Read , Parse and save the Microsoft Excel SpreadSheet xlsx file
Make sure the file is found before calling.

select() - Method in class com.fahmatrix.DataFrame: Select using builder pattern
use like that example
select().rows(new int[]{1,2,3}).columns(new int[]{1,2,3}).get()
or
select().rows(new String[]{"row1","row2","row3"}).columns(new String[]{"column1","column2","column3"}).get()
Series - Class in com.fahmatrix: Series is the basic object for one column

Current Features:
Select single cell data
Print in System Console
Series(List<Object>, List<String>) - Constructor for class com.fahmatrix.Series: Constructor
stdDev() - Method in class com.fahmatrix.Series: Standard deviation of values (works with Number types)
sum() - Method in class com.fahmatrix.Series: Sum of values (works with Number types)

tail() - Method in class com.fahmatrix.DataFrame: Return the last 5 rows as DataFrame Object
tail(int) - Method in class com.fahmatrix.DataFrame: Return the last n rows as DataFrame Object
transpose() - Method in class com.fahmatrix.DataFrame: Reverse Rows and Columns

writeCSV(String) - Method in class com.fahmatrix.DataFrame: Exports data to a csv file
It useds default delimiter "," and hasQoutes is set to true
writeCSV(String, char, boolean) - Method in class com.fahmatrix.DataFrame: Exports data to a csv file
writeJson(String) - Method in class com.fahmatrix.DataFrame: Exports data to a JSON txt file
writeOds(String) - Method in class com.fahmatrix.DataFrame: Exports data to an ODS (OpenDocument Spreadsheet) file
The data is in the default sheet with name "sheet1"
writeXlsx(String) - Method in class com.fahmatrix.DataFrame: Exports data to a Microsoft Excel SpreadSheet xlsx file
The data is in the default sheet with name "sheet1"