「Table-related commands in STATA」の版間の差分

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==Two-way==
 
==Two-way==
−
===Relation between ''sex'' and ''factorA''===
+
===Summary of ''factorA'' based on ''sex''===
 
{|class="wikitable"
 
{|class="wikitable"
 
|-
 
|-
144行目: 144行目:
 
!tabulate
 
!tabulate
 
|[[file:tabulate_sex_factorA.jpg]]
 
|[[file:tabulate_sex_factorA.jpg]]
 +
|-
 +
!tabstat
 +
|[[file:tabstat_factorA_by(sex).jpg]]
 +
|rowspan="2"|Both reports mean<br> but '''summarize''' is more detailed;<br>needs '''bysort''' option before the command
 +
|-
 +
!summarize
 +
|[[file:summarize_factorA_bysort_sex.jpg]]
 +
|}
 +
 +
===Summary of ''sex'' based on ''factorA''===
 +
{|class="wikitable"
 +
|-
 +
!table
 +
|[[file:table_factorA_sex.jpg]]
 +
|rowspan="2"|Both creates the same table<br> but '''tabulate''' is better visualized
 +
|-
 +
!tabulate
 +
|[[file:tabulate_factorA_sex.jpg]]
 
|-
 
|-
 
!tabstat
 
!tabstat
 
|[[file:tabstat_sex_by(factorA).jpg]]
 
|[[file:tabstat_sex_by(factorA).jpg]]
−
[[file:tabstat_factorA_by(sex).jpg]]
 
 
|rowspan="2"|Both reports mean<br> but '''summarize''' is more detailed;<br>needs '''bysort''' option before the command
 
|rowspan="2"|Both reports mean<br> but '''summarize''' is more detailed;<br>needs '''bysort''' option before the command
 
|-
 
|-
 
!summarize
 
!summarize
 
|[[file:summarize_sex_bysort_factorA.jpg]]
 
|[[file:summarize_sex_bysort_factorA.jpg]]
−
[[file:summarize_factorA_bysort_sex.jpg]]
 
 
|}
 
|}
  

2023年4月2日 (日) 17:42時点における版

Abbreviations of commands

table (no abbv.)
tabulate ta
tab
tabstat (no abbv.)
summarize su

Differences between table, tabulate, tabstat, summarize

one-way two-way options
table 
table v1

create a one-way table
of v1 with simple statistics 

table v1 v2

create a two-way table
of v1 in row† and v2 in column† 

,statistics( )
tabulate 
tabulate v1

create a one-way table
of v1 with detailed statistics 

tabulate v1 v2

create a two-way table
with v1 in row† and v2 in column† 

,chi2

Pearson's chi-squared test; *only for two-way 

,summarize(v3)

detailed statistics for v3

tabstat 
tabstat v1

create a one-way table of v1
with detailed statistics

*no two- or multiple-way table 
,statistics( )
,by(v3)

detailed statistics for each of v3

summarize 
summarize v1

detailed statistics of v1

*no two- or multiple-way summary 
,detail

† row = transverse direction, column = longitudinal direction

Sample data

Suppose we have such a dataset in STATA.

STATAsample.jpg

One-way

Summary of sex, a binary variable

table Table sex.jpg Both reports frequency
but tabulate is more detailed
tabulate Tabulate sex.jpg
tabstat Tabstat sex.jpg Both reports mean
but summarize is more detailed
summarize Summarize sex.jpg

Summary of data1, a continuous variable

table Table data1.jpg Both reports frequency of each value,
which does not make sense
tabulate Tabulate data1.jpg
tabstat Tabstat data1.jpg Both reports mean
but summarize is more detailed
summarize Summarize data1.jpg

Summary of SES, a categorical variable

table Table SES.jpg Both reports frequency
but tabulate is more detailed
tabulate Tabulate SES.jpg
tabstat Tabstat SES.jpg Both reports mean
but summarize is more detailed
summarize Summarize SES.jpg

One-way, multiple

table *Does not create one-way multiple table
tabulate *Does not create one-way multiple table
tabstat Tabstat sex data1 SES.jpg Reports mean in row (transverse) direction
summarize Summarize sex data1 SES.jpg Reports more details in column (longitudinal) direction

Two-way

Summary of factorA based on sex

table Table sex factorA.jpg Both creates the same table
but tabulate is better visualized
tabulate Tabulate sex factorA.jpg
tabstat Tabstat factorA by(sex).jpg Both reports mean
but summarize is more detailed;
needs bysort option before the command
summarize Summarize factorA bysort sex.jpg

Summary of sex based on factorA

table Table factorA sex.jpg Both creates the same table
but tabulate is better visualized
tabulate Tabulate factorA sex.jpg
tabstat Tabstat sex by(factorA).jpg Both reports mean
but summarize is more detailed;
needs bysort option before the command
summarize Summarize sex bysort factorA.jpg

Relation between disease and data1

table Table sex factorA.jpg Both creates the same table
but tabulate is better visualized
tabulate Tabulate sex factorA.jpg
tabstat Tabstat sex by(factorA).jpg Both reports mean
but summarize is more detailed;
needs bysort option before the command
summarize Summarize sex bysort factorA.jpg
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