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Mean per group in a data.frame [duplicate]

...egate(d[, 3:4], list(d$Name), mean) Group.1 Rate1 Rate2 1 Aira 16.33333 47.00000 2 Ben 31.33333 50.33333 3 Cat 44.66667 54.00000 Here we aggregate columns 3 and 4 of data.frame d, grouping by d$Name, and applying the mean function. Or, using a formula interface: aggregate(....
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Haskell export current module with additional imported module

...s M. DuBuisson 61.4k77 gold badges9696 silver badges160160 bronze badges ...
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How to apply !important using .css()?

... | edited Nov 6 '19 at 4:16 Makyen♦ 25.8k1010 gold badges6464 silver badges101101 bronze badges answe...
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PostgreSQL Connection URL

... | edited Apr 16 '18 at 17:05 Mike 'Pomax' Kamermans 36.6k1212 gold badges7979 silver badges119119 bronze badges ...
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Appending to an empty DataFrame in Pandas?

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What does “Content-type: application/json; charset=utf-8” really mean?

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How to compare DateTime in C#?

...sed – Erik Bergstedt Jul 3 '17 at 7:16 Here is the MSDN link – Harsh Raj Jun 29...
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Replacements for switch statement in Python?

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How to execute a Python script from the Django shell?

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WebService Client Generation Error with JDK8

...ther jre directory. – Geoff Mar 17 '16 at 20:27 21 This isn't very portable. You would need to tw...