@AWolwer profile picture
Anna-Lena W @AWolwer
Joined May 2018
  • Tweets 34
  • Following 166
  • Followers 55
Photos and videos
Anna-Lena W retweeted
Joachim Schork
@JoachimSchork
7 Oct 2022
How to merge multiple data sets using the data.table package in the R programming language. The tutorial was created in collaboration with @AWolwer: statisticsglobe.com/join-mul… #statisticsclass #RStats #DataAnalytics #RStudio #statisticians #Rpackage

Join Multiple data.tables in R (6 Examples) | Merge Three Tables

How to join data.tables in R with identifiers - 6 R programming examples - R tutorial - Extensive information

statisticsglobe.com
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Anna-Lena W retweeted
Joachim Schork
@JoachimSchork
12 Sep 2022
How to display outliers in ggplot2 boxplots & scatterplots using the R programming language. The tutorial was created in collaboration with @AWolwer: data-hacks.com/mark-outliers… #RStudio #RStats #datascienceeducation #Statistical #tidyverse #Rpackage

Mark Outliers in Plots in R With Text (2 Examples)

How to display outlier text in R - 2 R programming examples - Extensive syntax in RStudio - R programming language tutorial

data-hacks.com
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Anna-Lena W retweeted
Joachim Schork
@JoachimSchork
7 Sep 2022
How to calculate summary statistics & reshape data.tables using the dcast reshaping tool of the data.table package in the R programming language. The tutorial was created in collaboration with @AWolwer: statisticsglobe.com/dcast-da… #DataAnalytics #RStats #R4DS #Rpackage #DataScience

dcast data.table Function in R (Example) | Long-to-Wide Reshaping Tool

How to transform data.tables, e.g. group-specific summary statistics, reshape from long to wide format in R - 3 R programming examples

statisticsglobe.com
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Anna-Lena W retweeted
Joachim Schork
@JoachimSchork
28 Aug 2022
How to write & read CSV files to & as data.tables in the R programming language. The tutorial was created in collaboration with @AWolwer: statisticsglobe.com/read-csv… #RStats #coding #R4DS #statisticsclass

Write & Read CSV File as data.table in R (Example) | Save, Import & Load

How to save a data.table as a CSV and how to load a CSV as a data.table in R - 2 R programming examples - Thorough explanations

statisticsglobe.com
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Anna-Lena W retweeted
Joachim Schork
@JoachimSchork
22 Aug 2022
How to compare the columns of two data.tables to eliminate duplicates using the R programming language. The tutorial was created in collaboration with @AWolwer: statisticsglobe.com/compare-… #datascienceeducation #RStats #R #datascienceenthusiast

Compare Columns of data.table in R (5 Examples) | Variable Comparison

How to make comparisons of two data.tables in R - Number of duplicate rows - Which IDs are common - Positions of duplicates

statisticsglobe.com
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Anna-Lena W retweeted
Joachim Schork
@JoachimSchork
17 Aug 2022
Hey, I've published an extensive introduction to the data.table package in the R programming language. The tutorial was created in collaboration with @AWolwer: statisticsglobe.com/data-tab… #DataScience #R #RStats #Rpackage #StatisticalAnalysis

Introduction to data.table Package in R | Tutorial & Programming Examples

How to use the data.table package in R - Detailed tutorial & examples - Reproducible R programming code - data.table explained in RStudio

statisticsglobe.com
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Anna-Lena W retweeted
Joachim Schork
@JoachimSchork
11 Aug 2022
How to apply the Fay-Herriot small area estimator using the R programming language. The tutorial was created in collaboration with @AWolwer: statisticsglobe.com/fay-herr… #statisticians #coding #RStats #rstudioglobal

Fay-Herriot Small Area Estimator (R Example) | Area-Level Model

How to apply the Fay-Herriot Small Area Estimator - Theoretical explanations of the small area estimation technique - Example code in R

statisticsglobe.com
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Anna-Lena W retweeted
Joachim Schork
@JoachimSchork
11 Aug 2022
How to manipulate data.tables using the lapply function in the R programming language. The tutorial was created in collaboration with @AWolwer: statisticsglobe.com/use-lapp… #Statistics #RStats #Statistical

Use lapply Function for data.table in R (Example) | Calculate & Manipulate

How to use lapply for data.table in R - Handle function for multiple data.table columns - 4 R programming examples

statisticsglobe.com
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Anna-Lena W retweeted
Joachim Schork
@JoachimSchork
9 Aug 2022
How to create a data.table object using the data.table package in the R programming language. The tutorial was created in collaboration with @AWolwer: statisticsglobe.com/create-d… #Rpackage #RStats #Statistical #rstudioglobal #programming

Create data.table in R (3 Examples) | How to Initialize, Construct & Make

How to make a data.table in R - 3 R programming examples - Named and unnamed columns- Extensive instructions

statisticsglobe.com
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Anna-Lena W retweeted
Joachim Schork
@JoachimSchork
24 Jul 2022
How to merge two data.table objects using inner, left, right & full joins in the R programming language. The tutorial was created in collaboration with @AWolwer: statisticsglobe.com/join-dat… #RStats #coding #datasciencetraining

Join data.tables in R - Inner, Outer, Left & Right | How to Merge & Combine

How to connect the information of multiple data.tables in R - Combine partially overlapping data.tables - 4 R programming examples

statisticsglobe.com
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Anna-Lena W retweeted
Joachim Schork
@JoachimSchork
2 Jul 2022
How to reshape data.tables from wide to long format & vice versa using the R programming language. The tutorial was created in collaboration with @AWolwer: statisticsglobe.com/reshape-… #statisticians #rstudioglobal #RStats #Statistics

How to Reshape a data.table in R (3 Examples) | Wide to Long Format

How to change the structure of a data.table from long to wide format and wide to long format in R - Reshaping data.tables

statisticsglobe.com
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Anna-Lena W retweeted
codeisgo.com@CodeIsGo_com
2 Jul 2022
RT @JoachimSchork How to calculate summary statistics for a data.table object in the R programming language. The tutorial was created in collaboration with @AWolwer: statisticsglobe.com/summary-… #DataScientist #R4DS #DataAnalytics #RStats #stats

Summary Statistics for data.table in R | How to Calculate Descriptive Stats

How to get summary statistics for certain data.table columns in R - 4 R programming examples - Frequency tables, quantiles, average values

statisticsglobe.com
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Anna-Lena W retweeted
Joachim Schork
@JoachimSchork
30 Jun 2022
How to filter the rows of a data.table using logical conditions & row indices in the R programming language. The tutorial was created in collaboration with @AWolwer: statisticsglobe.com/filter-r… #datasciencetraining #statisticsclass #RStats #R

Filter Rows of data.table in R (3 Examples) | Select by Column Values

How to Select Certain Rows or Delete Certain Rows in a data.table in R - 3 R programming examples - Detailed R syntax in RStudio

statisticsglobe.com
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Anna-Lena W retweeted
Joachim Schork
@JoachimSchork
30 Jun 2022
How to calculate summary statistics for a data.table object in the R programming language. The tutorial was created in collaboration with @AWolwer: statisticsglobe.com/summary-… #DataScientist #R4DS #DataAnalytics #RStats

Summary Statistics for data.table in R | How to Calculate Descriptive Stats

How to get summary statistics for certain data.table columns in R - 4 R programming examples - Frequency tables, quantiles, average values

statisticsglobe.com
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Anna-Lena W retweeted
Joachim Schork
@JoachimSchork
28 Jun 2022
How to create a list of vectors using the Rcpp package in the R programming language. The tutorial was created in collaboration with @AWolwer: statisticsglobe.com/create-l… #Statistics #Rpackage #datascienceenthusiast #RStats

Create List of Vectors Using Rcpp Package in R (2 Examples) | (Un)named

How to create a list of vectors using Rcpp package in R (example) - Unnamed and named list of vectors in Rcpp

statisticsglobe.com
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Anna-Lena W retweeted
Joachim Schork
@JoachimSchork
27 Jun 2022
How to add new rows & columns to a data.table in the R programming language. The tutorial was created in collaboration with @AWolwer: statisticsglobe.com/add-row-… #DataScientist #RStudio #RStats #DataAnalytics

Add Row & Column to data.table in R (4 Examples)

How to merge an additional column or row to a data.table in R - 4 R programming examples - Comprehensive instructions

statisticsglobe.com
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Anna-Lena W retweeted
Joachim Schork
@JoachimSchork
21 Jun 2022
How to calculate the mean & sum by group using the data.table package in the R programming language. The tutorial was created in collaboration with @AWolwer: statisticsglobe.com/aggregat… #Statistics #RStats #Rpackage #DataScience

Aggregate data.table by Group in R (2 Examples) | Summarize Groups

How to summarize a data.table by group in R - Example data & software packages - Calculate sum & mean by group

statisticsglobe.com
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Anna-Lena W retweeted
Joachim Schork
@JoachimSchork
21 Jun 2022
How to use the sugar functions of the Rcpp package in the R programming language. The tutorial was created in collaboration with @AWolwer: statisticsglobe.com/sugar-fu… #statisticians #RStats #DataAnalytics #Rpackage

sugar Functions in Rcpp Package (R Example) | C Vectors & Operators

Examples of Rcpp sugar functions to write R-like C code - 2 reproducible programming examples - Introduction & detailed explanations

statisticsglobe.com
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Anna-Lena W retweeted
Joachim Schork
@JoachimSchork
14 Jun 2022
How to speed up matrix multiplications using the Rcpp & RcppArmadillo packages in the R programming language. The tutorial was created in collaboration with @AWolwer: statisticsglobe.com/matrix-m… #Rpackage #RStats #RStudio #DataScience

Matrix Multiplication Using Rcpp Package in R (Example) | C Integration

Matrix multiplication with C code in R, using Rcpp & RcppArmadillo - Example: we calculate the least squares solution of the fixed effects

statisticsglobe.com
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Anna-Lena W retweeted
Joachim Schork
@JoachimSchork
9 Jun 2022
How to subset an Rcpp matrix by logical conditions in the R programming language. The tutorial was created in collaboration with @AWolwer: statisticsglobe.com/subset-r… #RStats #coding #Statistical #rstudioglobal

Subset Rcpp Matrix by Logical Condition in R (Example) | RcppArmadillo

How to subset the columns and rows of a C matrix in R via Rcpp. We show it for both, Rcpp and RcppArmadillo matrices.

statisticsglobe.com
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