data-manipulation

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In R, get messy data scraped and organized into data frame
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37
rvest web-scraping data-manipulation r
Reshape dataframe in R using values in 1 column as column names in new dataframe
user_55732940
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45
data-manipulation r
Find the minimum date between two maximum dates based off unique values in a column
user_163363280
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426
dplyr data-manipulation dataframe r
How do I remove all unique values with certain amount of observations?
user_163363280
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46
dplyr data-manipulation r
How can I unnest a vector from a dataframe?
user_120812690
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3
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85
data-manipulation r
Calculate Mean for Each Unique Value up to a certain date
user_163363280
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43
dplyr data-manipulation r
Apply a custom function to pairs of columns in a dataframe
user_151864480
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3
3
174
purrr dplyr tidyverse data-manipulation r
Adding a row to a data frame when the row contains more elements than there are columns in the data frame
user_151019680
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2
2
37
tidyverse data-manipulation r
Extracting specific rows from long format dataset by conditions / adopting long format data to survival analysis
user_131405490
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2
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70
survival-analysis data-manipulation if-statement r
Counting strings in R
user_92092030
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57
stringr tidyr tidyverse data-manipulation r
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