201 prompts · page 2 of 5

Data Analysis Prompts

Prompts for querying, cleaning, summarizing, and charting data. Describe your dataset and the question, and get usable steps back.

Data AnalysisPick stat test
Choose the right statistical test

You are a statistics advisor. What I am trying to find out: {{question}} What my data looks like: {{data_description}} Sample size per group: {{sample_sizes}} Do the following: 1....

Claude Opus 4.8GPT-5Gemini 2.5 Pro
#statistics#hypothesis-test#decision#intermediate
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Data AnalysisRead test result
Interpret a p-value and test result correctly

You are a careful statistician who avoids overclaiming. My test and result: {{test_result}} What I was comparing: {{comparison}} Do the following: 1. State in plain language what t...

Claude Opus 4.8GPT-5Gemini 2.5 Pro
#statistics#p-value#interpretation#reporting
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Data AnalysisCausation check
Sanity-check a correlation before claiming causation

You are a skeptical analyst guarding against false causal claims. The relationship someone is claiming: {{claim}} The evidence behind it: {{evidence}} Do the following: 1. Restate...

Claude Opus 4.8GPT-5Gemini 2.5 Pro
#statistics#causation#critical-thinking#correlation
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Data AnalysisDesign dashboard
Design a KPI dashboard from scratch

You are a dashboard designer building for {{tool}}. Who will use the dashboard and what decisions they make: {{audience_and_decisions}} Data available: {{available_data}} Do the fo...

Claude Opus 4.8GPT-5Gemini 2.5 Pro
#dashboard#kpi#design#reporting
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Data AnalysisDefine metric
Define a business metric precisely

You are a metrics architect who writes airtight definitions. The metric to define: {{metric_name}} How the business currently talks about it: {{informal_description}} Do the follow...

Claude Opus 4.8GPT-5Gemini 2.5 Pro
#metrics#definition#data-dictionary#reporting
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Data AnalysisFrame ML
Frame a business problem as a machine learning task

You are a pragmatic machine learning advisor. The business problem: {{problem}} Data we have or could get: {{available_data}} Do the following: 1. Decide whether this is best frame...

Claude Opus 4.8GPT-5Gemini 2.5 Pro
#machine-learning#framing#modeling#intermediate
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Data AnalysisPick ML metric
Choose the right model evaluation metric

You are an ML evaluation expert. Type of model: {{model_type}} What a correct and an incorrect prediction cost the business: {{costs}} Class balance or target distribution: {{distr...

Claude Opus 4.8GPT-5Gemini 2.5 Pro
#machine-learning#evaluation#metrics#modeling
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Data AnalysisFeature ideas
Brainstorm feature engineering ideas

You are a feature engineering specialist. Prediction target: {{target}} Raw columns available: {{columns}} Do the following: 1. Suggest 10 derived features grouped by type (ratios,...

Claude Opus 4.8GPT-5Gemini 2.5 Pro
#machine-learning#feature-engineering#modeling#ideas
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Data AnalysisData dictionary
Write a data dictionary for a table

You are a data documentation specialist. Table name and purpose: {{table_purpose}} Columns with any hints I have: {{columns}} Sample rows: {{sample_rows}} Produce a data dictionary...

Claude Opus 4.8GPT-5Gemini 2.5 Pro
#documentation#data-dictionary#metadata#quality
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Data AnalysisCohort analysis
Set up a cohort retention analysis

You are an analyst who builds cohort retention analyses. My event data columns: {{columns}} How I define an active user: {{active_definition}} Cohort grouping I want (by signup wee...

Claude Opus 4.8GPT-5Gemini 2.5 Pro
#cohort#retention#sql#analytics
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Data AnalysisA/B test
Analyze the results of an A/B test

You are an experimentation analyst. The change being tested: {{change}} Primary metric: {{primary_metric}} Results (control vs variant, sample sizes, conversion or values): {{resul...

Claude Opus 4.8GPT-5Gemini 2.5 Pro
#ab-testing#experiment#statistics#decision
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Data AnalysisSample size
Estimate the sample size needed for an A/B test

You are an experiment design expert. Baseline metric and its current value: {{baseline}} Smallest effect worth detecting: {{min_effect}} Daily traffic eligible for the test: {{dail...

Claude Opus 4.8GPT-5Gemini 2.5 Pro
#ab-testing#sample-size#experiment#planning
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Data AnalysisSegment data
Segment customers into meaningful groups

You are a customer analytics expert. The data I have per customer: {{customer_data}} What I want to do with the segments: {{goal}} Do the following: 1. Recommend a segmentation app...

Claude Opus 4.8GPT-5Gemini 2.5 Pro
#segmentation#customer-analytics#clustering#marketing
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Data AnalysisForecast plan
Plan a simple time series forecast

You are a forecasting analyst who favors simple, robust methods. What I want to forecast and the time granularity: {{target_and_granularity}} History available and any known season...

Claude Opus 4.8GPT-5Gemini 2.5 Pro
#forecasting#time-series#planning#modeling
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Data AnalysisRead trends
Spot trends and anomalies in time series data

You are a time series analyst. The metric and its values over time: {{series}} Context (what the metric is, any known events): {{context}} Do the following: 1. Describe the overall...

Claude Opus 4.8GPT-5Gemini 2.5 Pro
#time-series#trends#anomaly#monitoring
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Data AnalysisWrite report
Write a structured data analysis report

You are an analyst writing a clear report for {{audience}}. The question the analysis answered: {{question}} Key findings and supporting numbers: {{findings}} Method in brief: {{me...

Claude Opus 4.8GPT-5Gemini 2.5 Pro
#reporting#writeup#communication#stakeholders
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Data AnalysisGroup data
Aggregate and group data the right way

You are a data analyst building grouped summaries in {{tool}}. My data columns: {{columns}} What I want to summarize and by which groups: {{grouping_request}} Do the following: 1....

Claude Opus 4.8GPT-5Gemini 2.5 Pro
#aggregation#groupby#sql#summary
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Data AnalysisReshape data
Reshape data between wide and long format

You are a data reshaping expert for {{tool}}. Current shape of my data (sample): {{current_data}} The shape I need it in: {{target_shape}} Do the following: 1. Tell me whether I ne...

Claude Opus 4.8GPT-5Gemini 2.5 Pro
#reshape#pivot#pandas#transformation
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Data AnalysisDeduplicate
Deduplicate records that are not exact matches

You are a data quality expert handling duplicates. What the records represent: {{record_type}} Examples of likely duplicates: {{duplicate_examples}} Tool I am using: {{tool}} Do th...

Claude Opus 4.8GPT-5Gemini 2.5 Pro
#deduplication#data-cleaning#matching#quality
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Data AnalysisStandardize text
Standardize inconsistent text fields

You are a data standardization specialist. The field and examples of the inconsistent values: {{field_examples}} The clean set of values I want to map to: {{target_values}} Tool I...

Claude Opus 4.8GPT-5Gemini 2.5 Pro
#standardization#data-cleaning#mapping#quality
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Data AnalysisGrowth math
Calculate growth rates correctly

You are an analyst who gets growth math right. The values and their periods: {{values}} The growth measure I want: {{growth_type}} Do the following: 1. Show the formula for the req...

Claude Opus 4.8GPT-5Gemini 2.5 Pro
#growth#metrics#math#reporting
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Data AnalysisFunnel analysis
Build a conversion funnel analysis

You are a product analyst building a conversion funnel. The ordered steps of the funnel: {{steps}} My event data columns: {{columns}} Do the following: 1. Write the SQL or pandas t...

Claude Opus 4.8GPT-5Gemini 2.5 Pro
#funnel#conversion#sql#product-analytics
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Data AnalysisConditional format
Set up conditional formatting rules

You are a spreadsheet expert for {{tool}}. The data range and what each column means: {{range_description}} What I want to highlight and why: {{highlight_goal}} Do the following: 1...

Claude Opus 4.8GPT-5Gemini 2.5 Pro
#spreadsheet#formatting#excel#visualization
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Data AnalysisValidate data
Build data quality validation checks

You are a data quality engineer. The dataset and its key columns: {{columns}} How the data is used downstream: {{usage}} Do the following: 1. Propose a set of validation checks gro...

Claude Opus 4.8GPT-5Gemini 2.5 Pro
#data-quality#validation#pipeline#checks
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Data AnalysisCompare data
Compare two datasets and find the differences

You are a data reconciliation expert. Dataset A and Dataset B (structure and how they relate): {{datasets}} The key that should link rows between them: {{key}} Tool I am using: {{t...

Claude Opus 4.8GPT-5Gemini 2.5 Pro
#reconciliation#comparison#sql#quality
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Data AnalysisDate handling
Handle dates and time periods in analysis

You are an analyst who handles dates cleanly in {{tool}}. My date column and its format: {{date_column}} What I need to do with dates: {{date_task}} Any special calendar rules (fis...

Claude Opus 4.8GPT-5Gemini 2.5 Pro
#dates#time-intelligence#sql#spreadsheet
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Data AnalysisSanity check
Sanity-check a number before you trust it

You are a meticulous analyst who double-checks surprising results. The number I got and how I calculated it: {{number_and_method}} What I expected: {{expectation}} Do the following...

Claude Opus 4.8GPT-5Gemini 2.5 Pro
#validation#sanity-check#quality#critical-thinking
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Data AnalysisExec summary
Explain a data result to executives in one slide

You are an analyst presenting to busy executives. The finding and its numbers: {{finding}} The decision they need to make: {{decision}} Produce content for a single slide: 1. A hea...

Claude Opus 4.8GPT-5Gemini 2.5 Pro
#communication#executive#presentation#reporting
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Data AnalysisWrite regex
Build a regex to extract or clean data

You are a regex expert helping with data work in {{tool}}. Sample text values: {{samples}} What I want to extract or match: {{goal}} Do the following: 1. Provide the regex pattern....

Claude Opus 4.8GPT-5Gemini 2.5 Pro
#regex#extraction#data-cleaning#text
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Data AnalysisScope question
Turn a vague request into answerable data questions

You are an analyst who scopes fuzzy requests into sharp questions. The request as it was given to me: {{request}} What data I have access to: {{available_data}} Do the following: 1...

Claude Opus 4.8GPT-5Gemini 2.5 Pro
#scoping#requirements#questions#stakeholders
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Data AnalysisTop N
Find the top and bottom performers in a group

You are an analyst building a top-N report in {{tool}}. My data columns: {{columns}} What I want ranked, and within which groups: {{ranking_request}} How many to show per group: {{...

Claude Opus 4.8GPT-5Gemini 2.5 Pro
#ranking#top-n#sql#analysis
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Data AnalysisDocument steps
Document your analysis steps so others can reproduce it

You are an analyst writing reproducible documentation. What the analysis does and its output: {{analysis_summary}} The rough steps I took: {{rough_steps}} Produce documentation tha...

Claude Opus 4.8GPT-5Gemini 2.5 Pro
#documentation#reproducibility#process#quality
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Data AnalysisNormalize values
Normalize values so you can compare them fairly

You are an analyst who makes fair comparisons. The raw values I want to compare: {{values}} Why a raw comparison is misleading here: {{problem}} Do the following: 1. Recommend the...

Claude Opus 4.8GPT-5Gemini 2.5 Pro
#normalization#comparison#statistics#math
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Data AnalysisSurvey analysis
Analyze survey or questionnaire responses

You are a survey analysis expert. The survey goal and key questions: {{survey_overview}} The types of questions (scale, single choice, multi-select, open text): {{question_types}}...

Claude Opus 4.8GPT-5Gemini 2.5 Pro
#survey#analysis#statistics#reporting
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Data AnalysisRefactor SQL
Refactor a tangled query with CTEs

You are a SQL expert who writes readable queries for {{database}}. My current query with nested subqueries: {{query}} Do the following: 1. Refactor it using common table expression...

Claude Opus 4.8GPT-5Gemini 2.5 Pro
#sql#refactoring#cte#readability
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Data AnalysisSQL windows
Write SQL window functions for running totals and moving averages

You are a senior analytics engineer fluent in {{sql_dialect}}. Table: {{table_name}} Columns: {{columns}} Grain: one row per {{row_grain}}. Task: write a single query that returns,...

Claude Opus 4.8GPT-5Gemini 2.5 Pro
#sql#window-functions#time-series#advanced
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Data AnalysisCohort SQL
Build a monthly cohort retention query

Act as a product analyst writing {{sql_dialect}}. Source events table: {{events_table}} with columns user_id, event_timestamp, {{activity_filter_column}}. Signup source: {{signup_s...

Claude Opus 4.8GPT-5Gemini 2.5 Pro
#sql#cohort#retention#product-analytics
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Data AnalysisQuery tuning
Diagnose and optimize a slow SQL query

You are a database performance engineer for {{database_engine}}. Here is the slow query: {{query}} Here is the EXPLAIN / query plan output (if available): {{query_plan}} Table size...

Claude Opus 4.8GPT-5Gemini 2.5 Pro
#sql#performance#indexing#optimization
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Data AnalysisReshape SQL
Pivot or unpivot a table in SQL

You are an analytics engineer using {{sql_dialect}}. Current table: {{table_name}} Columns: {{columns}} Sample rows: {{sample_rows}} Desired output shape: {{desired_shape}}. Task:...

Claude Opus 4.8GPT-5Gemini 2.5 Pro
#sql#pivot#reshape#transformation
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Data AnalysisFunnel SQL
Write a multi-step funnel conversion query

Act as a growth analyst writing {{sql_dialect}}. Events table: {{events_table}} (user_id, event_name, event_timestamp). Funnel steps in order: {{funnel_steps}}. Attribution window:...

Claude Opus 4.8GPT-5Gemini 2.5 Pro
#sql#funnel#conversion#growth
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Data AnalysisDedup SQL
Deduplicate records keeping the best row

You are a data quality engineer using {{sql_dialect}}. Table: {{table_name}} Duplicate key: {{dedup_key}} (rows sharing this are duplicates). Tie-break rule for which row to keep:...

Claude Opus 4.8GPT-5Gemini 2.5 Pro
#sql#deduplication#data-quality#cleanup
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Data AnalysisEDA plan
Generate a structured EDA plan for a new dataset

You are a senior data scientist starting exploratory analysis. Dataset description: {{dataset_description}} Columns and types: {{columns_and_types}} Number of rows: {{row_count}} B...

Claude Opus 4.8GPT-5Gemini 2.5 Pro
#eda#exploratory#data-science#planning
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Data AnalysisPandas cleaning
Write a reproducible pandas cleaning pipeline

You are a Python data engineer writing clean, reproducible pandas code. Raw file: {{file_description}} Known issues: {{known_issues}} Target schema (column name and type): {{target...

Claude Opus 4.8GPT-5Gemini 2.5 Pro
#pandas#python#data-cleaning#pipeline
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Data AnalysisOutlier detection
Choose and apply an outlier detection method

Act as a statistician advising on outlier handling. Variable(s): {{variables}} Distribution shape observed: {{distribution_shape}} Domain context (what is a legitimate extreme vs a...

Claude Opus 4.8GPT-5Gemini 2.5 Pro
#outliers#statistics#python#data-cleaning
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Data AnalysisA/B test stats
Analyze an A/B test for significance and effect size

You are an experimentation statistician. Metric: {{metric}} (type: {{metric_type}}) Control: n = {{control_n}}, result = {{control_result}} Variant: n = {{variant_n}}, result = {{v...

Claude Opus 4.8GPT-5Gemini 2.5 Pro
#ab-testing#statistics#hypothesis-testing#experimentation
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Data AnalysisPower analysis
Calculate sample size and power for an experiment

Act as an experimentation analyst doing an a-priori power calculation. Metric type: {{metric_type}} Baseline value: {{baseline}} Minimum detectable effect: {{mde}} (absolute or rel...

Claude Opus 4.8GPT-5Gemini 2.5 Pro
#power-analysis#sample-size#statistics#experimentation
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Data AnalysisModel interpretation
Interpret regression model coefficients for stakeholders

You are a statistician explaining a {{model_type}} regression to a non-technical stakeholder. Model summary output: {{model_output}} Outcome variable: {{outcome}} Units of key pred...

Claude Opus 4.8GPT-5Gemini 2.5 Pro
#regression#statistics#interpretation#modeling
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Data AnalysisForecast framing
Frame a time series forecasting approach

Act as a forecasting specialist. Series to forecast: {{series_description}} Frequency: {{frequency}} History available: {{history_length}} Known drivers and events: {{known_drivers...

Claude Opus 4.8GPT-5Gemini 2.5 Pro
#forecasting#time-series#modeling#framing
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Data AnalysisFeature ideas
Brainstorm feature engineering ideas for a model

You are an ML engineer doing feature engineering. Prediction target: {{target}} Available raw columns: {{raw_columns}} Data grain: {{grain}} Domain: {{domain}} Model family I plan...

Claude Opus 4.8GPT-5Gemini 2.5 Pro
#feature-engineering#machine-learning#modeling#features
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Data AnalysisMetric selection
Choose the right evaluation metric for a classifier

Act as an ML evaluation expert. Problem: {{problem_description}} Class balance: {{class_balance}} Cost of a false positive: {{fp_cost}} Cost of a false negative: {{fn_cost}} How pr...

Claude Opus 4.8GPT-5Gemini 2.5 Pro
#machine-learning#metrics#classification#evaluation
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