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Search: "data cleaning"

636 prompts matching "data cleaning"

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data Intermediate

Write a SQL query to find customers who used to engage but have quietly dropped off

I want to find 'silently churning' customers — users who used to be active and h...

#data #sql #churn
👁 5 views
legal Intermediate

Write a privacy notice users might actually read

Write a user-facing privacy notice for [PRODUCT]. I'll separately have lawyers w...

#legal #privacy #transparency
👁 5 views
data Intermediate

Fix a column where 30% of values are 'kind of right but not parseable'

I have a column in a dataset that's supposed to be a phone number, date, or addr...

#data #cleaning #etl
👁 5 views
excel Intermediate

Detect mixed date formats in one column and pick the safest fix

Act as a spreadsheet auditor. I will paste 20 cells from a date column that came...

#dates #data cleaning #DATEVALUE
👁 5 views
business Advanced

Decide whether to launch in a new city or go deeper in the current one

We are at the fork between expanding to a second city next quarter or doubling d...

#expansion #strategy #decision framework
👁 5 views
data Beginner

Pick the right chart when you can't decide between a bar and a line

I want to show how 4 product lines have grown over 12 months. I keep flip-floppi...

#charts #visualization #chart selection
👁 5 views
data Advanced

Rewrite a slow correlated subquery as a window function

I have a query with a correlated subquery that runs once per row to find each cu...

#SQL #window functions #query optimization
👁 5 views
excel Advanced

Build a Cohort Retention Heatmap Workbook in Excel

Act as a senior analytics engineer. I will paste a list of user signup events wi...

#cohort #retention #heatmap
👁 5 views
data Intermediate

Build a SQL Style Guide That Survives a Growing Team

Act as a data platform tech lead. Write me a SQL style guide tailored to a 10-pe...

#sql #style-guide #dbt
👁 5 views
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legal Advanced

Draft a Plain-English MSA Summary for a Non-Lawyer Executive

Act as in-house counsel translating contracts for executives. I will paste a Mas...

#msa #contracts #summary
👁 5 views
data Intermediate

Sanity-check a dataset before you trust a single number from it

You're a careful data analyst. Before I build anything on this dataset, give me ...

#data-quality #validation #checklist
👁 5 views
data beginner

Design a Data Collection Survey

Act as a research methodologist. Design a survey to measure [goal, e.g., custome...

#data #survey #research
👁 5 views
data intermediate

Interpret Statistical Results in Plain English

Act as a statistics tutor. Explain these results in plain English: [paste number...

#data #statistics #interpretation
👁 5 views
data Intermediate

Choose the right join before I merge two datasets

I have two tables I want to combine and I'll describe the key columns and what e...

#data #joins #sql
👁 5 views
data Intermediate

Explain what a confidence interval is actually telling me

I keep reporting confidence intervals without being sure what they mean. Explain...

#data #statistics #confidence interval
👁 5 views
excel Beginner

Clean Messy Imported Data with Formulas

You are an expert Excel data-cleaning specialist. Help me clean a messy column o...

#excel #data-cleaning #trim
👁 5 views
excel Beginner

Convert a Business Question into an Excel Formula

You are an Excel formula expert. I want to answer this question from my spreadsh...

#excel #formulas #xlookup
👁 5 views
writing Beginner

Generate Multiple Headline Options with Angles

Act as a headline strategist. For this piece of content: [DESCRIBE TOPIC/ARTICLE...

#writing #headlines #copywriting
👁 5 views
excel Intermediate

Design a Pivot Table Reporting Plan

You are an Excel reporting consultant. Based on the dataset I describe, design t...

#excel #pivot-table #reporting
👁 5 views
data Intermediate

Write and Explain a SQL Query From Plain English

Act as a SQL expert. I will describe what I want in plain English and you will w...

#data #sql #databases
👁 5 views
data Beginner

Choose the Right Chart for My Data

You are a data visualization expert. I will describe what I want to show and you...

#data #visualization #charts
👁 5 views
excel Advanced

Plan an Excel Macro or Office Script

You are an Excel automation expert. I will describe a repetitive task and you wi...

#excel #automation #vba
👁 5 views
excel Beginner

Reconcile Two Excel Lists for Differences

You are an Excel reconciliation helper. I have two lists (for example, a system ...

#excel #reconciliation #vlookup
👁 5 views
data Advanced

Plan a Data Backup and Recovery Strategy

You are a data-resilience consultant. Based on the data and systems I describe, ...

#data #backup #recovery
👁 5 views
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