Answer Posted / chetan

Symbol table is save the Macro varibale list.
Local symobl table save the local macro varibale &
Global symbol table save the global macro varibale.

What are the differences between sum function and using “+” operator?

1105

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Assuming {et} is randomly drawn from N(0,1) and e0 = 0, generate 200 observations of xt = et − 0.5e(t−1) and draw a line graph of xt.

1879

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What is the difference between where and if statement?

1113

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How can you limit the variables written to output dataset in data step?

1315

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what is the use of proc contents and proc print in sas? : Sas-administrator

1057

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what is the difference between unique key and primary key? : Sas-di

1125

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What are the different types of sas functions?

1272

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What do the mod and int function do? : Sas programming

1223

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do you need to know if there are any missing values? : Sas programming

1053

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How would you include common or reuse to be processed along with your statements?

2366

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data data1; input dt account; format dt date9.; cards; 1745 1230 1756 1120 1788 1130 1767 1240 ; data data2; input startdt enddt total; format startdt date9. enddt date9.; cards; 1657 1834 12300 1557 1758 16800 1789 1789 12300 1788 1345 12383 1899 1899 13250 ; proc sql; create table data3 as select * from data1 as x left join data2 as y on x.dt>=y.startdt and x.dt<=y.enddt; quit; Here, we are getting cartision product. But,I want left join report consisting of this program. It should not get duplicate values. you can modify the program also.

2204

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Explain substr function?

1105

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Describe the ways in which you can create macro variables? : sas-macro

1063

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Give e an example of..

2336

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What is factor analysis?

1131

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