Writing & Content
PromptBeginner5 minmarkdownQuality: 24
- Write clear user stories
acceptance criteria
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21,006 skills indexed with the new KISS metadata standard.
Showing 24 of 21,006Categories: Data & Insights, Creative, Writing & Content, Coding & Debugging
Coding & Debugging
PromptBeginner5 minmarkdownQuality: 28
I'm a political science PhD candidate who uses R regularly but would never call myself an R person....
without ggplot2
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Writing & Content
PromptBeginner5 minmarkdownQuality: 24
writeLines(template
out_file)
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Writing & Content
PromptBeginner5 minmarkdownQuality: 24
write.csv(df
%s_clean.csv
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Writing & Content
PromptBeginner5 minmarkdownQuality: 24
write.csv(df
data_clean.csv
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Coding & Debugging
PromptBeginner5 minmarkdownQuality: 24
- arrows: code = 1 (head at start)
code = 2 (head at end
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Creative
PromptBeginner5 minmarkdownQuality: 24
- nstart > 1 recommended (e.g.
nstart = 25): runs algorithm from multiple random starts
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Coding & Debugging
PromptBeginner5 minmarkdownQuality: 28
- SANN (simulated annealing): convergence code is always 0 — it never fails. maxit = total function...
no other stopping criterion.
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Creative
PromptBeginner5 minmarkdownQuality: 28
- aov is a wrapper around lm that stores extra info for balanced ANOVA. For unbalanced designs
Type I SS (sequential) are computed — order of terms matters.
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Creative
PromptBeginner5 minmarkdownQuality: 24
- Self-starting models (SSlogis
SSasymp
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Creative
PromptBeginner5 minmarkdownQuality: 28
- model.matrix creates the design matrix including dummy coding. Default contrasts: contr.treatment...
contr.poly for ordered.
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Coding & Debugging
PromptBeginner5 minmarkdownQuality: 24
- `URLencode(url
reserved = FALSE) by default does NOT encode reserved chars (/`
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Creative
PromptBeginner5 minmarkdownQuality: 24
- `substr(x
start
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Writing & Content
PromptBeginner5 minmarkdownQuality: 24
- write.csv fixes `sep =
`
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Coding & Debugging
PromptBeginner5 minmarkdownQuality: 28
- as.numeric(f) returns integer codes
not original values. Use as.numeric(levels(f))[f] or as.numeric(as.character(f)).
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Coding & Debugging
PromptBeginner5 minmarkdownQuality: 28
- Factor indexing: x[f] uses integer codes of factor f
not its character labels. Use x[as.character(f)] for label-based indexing.
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Creative
PromptBeginner5 minmarkdownQuality: 28
- `tryCatch(expr
warning = function(w) {...}) catches the first warning and exits. Use withCallingHandlers + invokeRestart(muffleWarning)` to suppress warnings but continue.
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Creative
PromptBeginner5 minmarkdownQuality: 24
- Reduce with init adds a starting value: `Reduce(f
x
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Writing & Content
PromptBeginner5 minmarkdownQuality: 24
write.csv(df
output.csv
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Coding & Debugging
PromptBeginner5 minmarkdownQuality: 24
A comprehensive reference for base R programming — covering data structures
control flow
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Coding & Debugging
PromptBeginner5 minmarkdownQuality: 24
description: Provides base R programming guidance covering data structures
data wrangling
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Writing & Content
PromptBeginner5 minmarkdownQuality: 24
- Explain audit log usage and contents for compliance and investigations (actor
context
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Coding & Debugging
PromptBeginner5 minmarkdownQuality: 28
- With GHEC data residency
you choose where company code and selected data are stored (including the EU)
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Writing & Content
PromptBeginner5 minmarkdownQuality: 24
TGA: Hydrate/solvate content
decomposition
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