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I want to summarize a huge data frame in R in such a way that I only need unique "lat", "lon", "Date (Year)" and "Maxium Value"

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#r #dataframe #dplyr #aggregate #data-manipulation
30
Views

CSV file data manipulation in R

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#r #data-manipulation #data-cleaning #lubridate #date-parsing
65
Views

Downsample a pandas dataframe keeping same proportion of target in every month

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#python #pandas #dataframe #data-manipulation #downsampling
47
Views

Add a blank row to an R dataframe if a condition is met eleswhere in the dataframe

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#r #dataframe #append #data-manipulation #data-management
34
Views

Calculating count of active outbreaks using start and end dates in R

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#r #data-manipulation
53
Views

Merge objects updating keys

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#javascript #object #merge #javascript-objects #data-manipulation
45
Views

Is there a way in R to select first instance of columns and arrange a list vertically?

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#r #data-manipulation
41
Views

What is the quickest way to calculate the number of points in a radius for each line of a large dataframe?

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#r #dataframe #optimization #geospatial #data-manipulation
68
Views

Is there a way to create even single year age from the groups based on a weight?

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#r #data-manipulation #data-cleaning
53
Views

Is there way to expand rows in a data frame by conditioning on two columns?

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#r #data.table #data-manipulation
76
Views

Counting consecutive columns that satisfy a condition in R

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#r #dplyr #tidyverse #data-manipulation #counting
42
Views

Restructuring DataFrame to match value with other column number

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#pandas #dataframe #data-manipulation
73
Views

removing data based on multiple date columns in R

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#r #data-manipulation
52
Views

Pythonic way to parse huge string into fields

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#python #parsing #data-manipulation
35
Views

Merging results in an error (Error: cannot allocate vector)?

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#r #data-analysis #data-manipulation
32
Views

Given start date and month (numerical) how do I create a date column based off the start date and # of months in R

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#r #dplyr #data-manipulation
38
Views

Dplyr: Rearrange a Dataframe by Putting Multiple Factors in One Cell in Multiple Columns into Separate Individual Rows into one Column using R

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#r #dataframe #dplyr #tidyverse #data-manipulation
83
Views

How to convert Latin characters to lowercase in data frame in Python?

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#python #string #dataframe #data-manipulation #lowercase
61
Views

R: If-else/mutate(?) statement where a new column value is added to a value from another column and row based on a condition

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#r #dataframe #if-statement #data-manipulation
26
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How to make a table from a list?

Published on
#python #pandas #excel #vba #data-manipulation

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