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  • ▪ Extract string inside specific pattern [...] in R
  • ▪ How to add headers and linebreaks?
  • ▪ Sampling one sample from each ID with equal number of samples in each group
  • ▪ How to convert daily frequency dataframe into weekly time series in r?
  • ▪ Calculate diffs per group with default from other column
  • ▪ How to pivot_longer with prefix to ID column
  • ▪ Why is parse(text=) throwing an error when there is a comma in the text?
  • ▪ Using ggplot2 (or comparable package) to plot line graph of time-series expression data
  • ▪ subsetting and summarizeing data in group_by() produces wrong results
  • ▪ Fill in NAs using mutate
  • ▪ Sampling the equal amount of random values considering a code within a column in R
  • ▪ move string at the end of column names to beginning
  • ▪ Fill in a column that has false NAs from multiple choice question
  • ▪ aggregating repeat entries prior to summarizing on other variables
  • ▪ {{sf}} commands now giving "Error: (converted from warning) message
  • ▪ Replace multiple values over multiple columns of a data frame in R
  • ▪ Split xlsx file into small files based on count of rows
  • ▪ Efficient way to create a dataframe with multiple summary columns based on a grouped dataframe using
  • ▪ Reshape seleted columns based in a factor levels
  • ▪ Data file organized in block per year: add column for year to combine all data
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