03 / Data quality

Insights

A transparent account of the dataset's shape, completeness, and unusual values.

Completeness

Fields are accounted for

100%

Across 11 exported columns

Duplicates

Unique records

358,497

0 duplicate rows found

Validity

Range checks

Pass

Four analytical measures checked

IQR method

Outlier counts

Field register

Completeness by column

ColumnTypeMissingUnique
user idint6401,959
datedatetime64[s]0183
stepsint64024,654
calories burnedfloat64062,478
heart rate avgint640110
sleep hoursfloat640601
activity typestr07
day of weekstr07
calories to steps ratiofloat640318,145
yearcategory01
monthcategory06

Key findings

Most common activity

swimming

High performers

27.2%

above 10,000 steps

Most efficient activity

swimming

calories per step