Apply functions with purrr : : CHEAT SHEET
transmute(). Because each element is a list, use map functions within a column function to manipulate each element. Work with Lists a b c y z 2 a b FALSE b c TRUE a b c TRUE a b c 3 a b c TRUE append(x, values, a"er = length(x)) Add values to end of list. append(x, list(d = 1)) prepend(x, values, before = 1) Add values to start of list. prepend ...
Download Apply functions with purrr : : CHEAT SHEET
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Deploying Custom Microsoft Office Templates …
raw.githubusercontent.comDEPLOYING CUSTOM MICROSOFT OFFICE TEMPLATES WITH SYSTEM CENTER CONFIGURATION MANAGER Page 2 of 25 Author Trevor …
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Dates and times with lubridate : : CHEAT SHEET
raw.githubusercontent.comJanuary xxxxxx Time Zones R recognizes ~600 time zones. Each encodes the time zone, Daylight Savings Time, and historical calendar variations for an area. R assigns one time zone per vector. Use the UTC time zone to avoid Daylight Savings. OlsonNames() Returns a list of valid time zone names. OlsonNames() Sys.timezone() Gets current time zone.
Machine Learning Modelling in R : : CHEAT SHEET
raw.githubusercontent.comClassification: Accuracy, precision, Simple models with ew parameters areeasier to compute but lead to poorer fits (high bias). Complex models more fits but over-fit the data 'high variance) Cross validation compares the test performances of different model realisations with different sets or values of parameters
Last revision: 18 August 2021 - raw.githubusercontent.com
raw.githubusercontent.comBalanced Balanced mode produces a super resolution image approximating native rendering quality, with a major performance gain compared to native. 1.7x per dimension (2.89x area scale) (59% screen resolution) 1129 x 635 1506 x 847 2024 x 847 2259 x 1270 1920 x 1080 2560 x 1440 3440 x 1440 3840 x 2160 Performance Performance mode visibly impacts ...
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Machine Learning Cheat Sheet - GitHub
raw.githubusercontent.comPreface This cheat sheet is a condensed version of machine learning manual, which contains many classical equations and diagrams on machine learning, and aims to help you quickly recall knowledge and ideas in machine learning.
Data Transformation with data.table :: CHEAT SHEET
raw.githubusercontent.comData Transformation with data.table :: CHEAT SHEET Manipulate columns with j ... CC BY SAErik Petrovski• www.petrovski.dk• Learn more with the data.table homepageor vignette• data.table version 1.11.8 • Updated: 2019-01 BIND Apply function to cols. ... abc 1aNA 2a1 3bNA 4b3 5b4 ab 1a 2a 3b 4b ...
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raw.githubusercontent.comLa regione Campania comunica che 1 dei decessi registrati oggi, risale al giorno 03/01/2022. La regione Emilia Romagna comunica che è stato eliminato 1 caso, comunicato nei giorni precedenti, in quanto giudicato non caso COVID-19 e che in seguito all’adeguamento informatico per una segnalazione più tempestiva dei casi, relativamente ai casi ...
Push Data Science in Spark with sparklyr
raw.githubusercontent.comft_imputer() - Imputation estimator for completing missing values, uses the mean or the median of the columns ft_index_to_string() - Index labels back to label as strings ft_interaction() - Takes in Double and Vector type columns and outputs a flattened vector of their feature interactions Translates into Spark SQL statements DPLYR VERBS Wrangle
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Data Transformation with dplyr : : CHEAT SHEET
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Data transformation with dplyr : : CHEAT SHEET
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