LeoLin990405/r-analytics-skill
Skill Claude CodeCodex
R data format packages for reading/writing files. Use for CSV (readr, vroom), Excel (readxl, writexl), JSON (jsonlite), Parquet (arrow), and fast serialization (fst, qs).
LeoLin990405/r-analytics-skill
Skill Claude CodeCodex
R arrow package for Apache Arrow. Use for reading/writing Parquet, Feather, and working with large datasets.
LeoLin990405/r-analytics-skill
Skill Claude CodeCodex
R feather package for fast binary data format. Use for fast reading/writing of data frames between R and Python.
LeoLin990405/r-analytics-skill
Skill Claude CodeCodex
R fst package for fast serialization of data frames. Use for ultra-fast reading/writing of data frames with compression.
LeoLin990405/r-analytics-skill
Skill Claude CodeCodex
R haven package for SPSS, Stata, SAS files. Use for reading/writing .sav, .dta, .sas7bdat files with labels.
LeoLin990405/r-analytics-skill
Skill Claude CodeCodex
R jsonlite package for JSON parsing. Use for reading, writing, and converting JSON data.
LeoLin990405/r-analytics-skill
Skill Claude CodeCodex
R qs package for quick serialization of R objects. Use for fast saving/loading of any R object with high compression.
LeoLin990405/r-analytics-skill
Skill Claude CodeCodex
R readr package for reading rectangular data. Use for fast CSV, TSV, and fixed-width file reading.
LeoLin990405/r-analytics-skill
Skill Claude CodeCodex
R readxl package for reading Excel files. Use for importing .xls and .xlsx files.
LeoLin990405/r-analytics-skill
Skill Claude CodeCodex
R rio package for data import/export. Use for reading/writing any file format with a single function.
LeoLin990405/r-analytics-skill
Skill Claude CodeCodex
R vroom package for fast reading of delimited files. Use for reading large CSV/TSV files with lazy loading.
LeoLin990405/r-analytics-skill
Skill Claude CodeCodex
R writexl package for writing Excel files. Use for creating .xlsx files without Java dependency.
LeoLin990405/r-analytics-skill
Skill Claude CodeCodex
R yaml package for YAML parsing. Use for reading/writing YAML configuration files.
LeoLin990405/r-analytics-skill
Skill Claude CodeCodex
R DataExplorer package for EDA. Use for automated exploratory data analysis and reporting.
LeoLin990405/r-analytics-skill
Skill Claude CodeCodex
R data manipulation with dplyr, data.table, tidyr. Use for filtering, selecting, mutating, grouping, summarizing, reshaping data frames.
LeoLin990405/r-analytics-skill
Skill Claude CodeCodex
R broom package for tidying model outputs. Use for converting statistical model results to tidy data frames.
LeoLin990405/r-analytics-skill
Skill Claude CodeCodex
R data.table package for fast data manipulation. Use for high-performance data operations with concise syntax.
LeoLin990405/r-analytics-skill
Skill Claude CodeCodex
R dplyr package for data manipulation. Use for filter, select, mutate, summarize, groupby, joins, and data transformation.
LeoLin990405/r-analytics-skill
Skill Claude CodeCodex
R fuzzyjoin package for fuzzy matching joins. Use for joining tables by inexact matching on strings, numbers, or distances.
LeoLin990405/r-analytics-skill
Skill Claude CodeCodex
R janitor package for data cleaning. Use for cleaning dirty data and creating tabulations.
LeoLin990405/r-analytics-skill
Skill Claude CodeCodex
R lubridate package for date-time manipulation. Use for parsing, extracting, and arithmetic with dates and times.
LeoLin990405/r-analytics-skill
Skill Claude CodeCodex
R purrr package for functional programming. Use for map, reduce, iteration, and list manipulation.
LeoLin990405/r-analytics-skill
Skill Claude CodeCodex
R reshape2 package for data reshaping. Use for melting and casting data between wide and long formats.
LeoLin990405/r-analytics-skill
Skill Claude CodeCodex
R stringi package for string processing. Use for fast, consistent string manipulation with ICU library.