proc sql
匿名の人の名前と番号を取得するためのサブクエリを含むユニオンクエリを使用したソリューションを部分的に持っています。
しかし、お気づきのように、各人は各選択クエリに手動で入力されています。例に示した5人ではなく、データセット内のたとえば200人に対してこれを行うのは嫌です。1 つの可能性は、ユニオンの選択クエリをミラーリングする挿入クエリを実行することです。
proc sql;
create table AnonymousReport As
SELECT CASE WHEN t1.name = 'Alice' THEN t1.name ELSE CATS('Person',
(SELECT count(name) + 1 From have t2
WHERE t2.name <= t1.name AND t1.name ne t2.name)) END As RptName,
t1.Col1Number, t1.Col1Pct, t1.Col2Number, t1.Col2Pct, 'Alice' As ReportToWhom
FROM have t1
UNION ALL
SELECT CASE WHEN t1.name = 'Bob' THEN t1.name ELSE CATS('Person',
(SELECT count(name) + 1 From have t2
WHERE t2.name < t1.name AND t1.name ne t2.name)) END As RptName,
t1.Col1Number, t1.Col1Pct, t1.Col2Number, t1.Col2Pct, 'Bob' As ReportToWhom
FROM have t1
UNION ALL
SELECT CASE WHEN t1.name = 'Carol' THEN t1.name ELSE CATS('Person',
(SELECT count(name) + 1 From have t2
WHERE t2.name < t1.name AND t1.name ne t2.name)) END As RptName,
t1.Col1Number, t1.Col1Pct, t1.Col2Number, t1.Col2Pct, 'Carol' As ReportToWhom
FROM have t1
UNION ALL
SELECT CASE WHEN t1.name = 'Dave' THEN t1.name ELSE CATS('Person',
(SELECT count(name) + 1 From have t2
WHERE t2.name < t1.name AND t1.name ne t2.name)) END As RptName,
t1.Col1Number, t1.Col1Pct, t1.Col2Number, t1.Col2Pct, 'Dave' As ReportToWhom
FROM have t1
UNION ALL
SELECT CASE WHEN t1.name = 'Erin' THEN t1.name ELSE CATS('Person',
(SELECT count(name) + 1 From have t2
WHERE t2.name < t1.name AND t1.name ne t2.name)) END As RptName,
t1.Col1Number, t1.Col1Pct, t1.Col2Number, t1.Col2Pct, 'Erin' As ReportToWhom
FROM have t1;
quit;
出力データセット。ここから、最後の列 ReportToWhom ごとに各人の個別レポートをエクスポートします
RptName Col1Number Col1Pct Col2Number Col2Pct ReportToWhom
Alice 4 15% 8 20% Alice
Person2 8 30% 6 15% Alice
Person3 4 15% 8 20% Alice
Person4 4 15% 8 20% Alice
Person5 4 15% 8 20% Alice
Person1 4 15% 8 20% Bob
Bob 8 30% 6 15% Bob
Person3 4 15% 8 20% Bob
Person4 4 15% 8 20% Bob
Person5 4 15% 8 20% Bob
...
考えられる解決策の 1 つは、連結された挿入 SQL クエリをデータセットのすべての行で使用することです。
data concat;
set have;
length reptAll $3200;
by name;
retain reptAll;
if first.name then reptAll = "";
unionSQL = "INSERT INTO AnonymousReport (RptName, Col1Number, Col1Pct, Col2Number, Col2Pct, ReportToWhom)
SELECT CASE WHEN t1.name = '" || name || "' THEN t1.name
ELSE CATS('Person', (SELECT count(name) + 1 From have t2
WHERE t2.name <= t1.name AND t1.name ne t2.name)) END As RptName,
t1.Col1Number, t1.Col1Pct, t1.Col2Number, t1.Col2Pct, '" || name || "' As ReportToWhom
FROM have t1";
reptAll = catx('; ', reptAll, unionSQL) ;
call symput('query', reptAll);
if last.name then output;
run;
そして、文字列をproc sql
マクロに渡します:
%macro runsql;
proc sql;
&query;
quit;
%mend runsql;
%runsql;
paste
R では、 / for
loop/関数を使用して数秒でこれを実行できましapply
たが、SAS 構文は別世界です!