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Types: TextFile
Names: »validata.1«
└─⟦a0efdde77⟧ Bits:30001252 EUUGD11 Tape, 1987 Spring Conference Helsinki
└─ ⟦this⟧ »EUUGD11/stat-5.3/eu/stat/man/validata.1«
.TH VALIDATA 1 "February 3, 1987" "\(co 1980 Gary Perlman" "|STAT" "UNIX User's Manual" .SH NAME validata \- validate and report columnar file consistency .SH SYNOPSIS .B validata .SH DESCRIPTION .I validata reads a file from the standard input and for each column in its input, reports statistics about the data type of fields (whether a column contains alphanumeric strings, integers, real numbers, or something else). .I validata also reports the maximum and minimum values of the columns; .I validata is useful to check data files for consistency before input to some data analysis program because it detects missing columns or columns of the wrong type, such as non-numeric input. .SH EXAMPLE .nf series 1 100 | dm x1 RAND "x1^.5" | validata .ta .5i +.5i +.5i +.75i +.75i +.75i +.75i +.75i +1i +1i .if t .ta .5i +.5i +.5i +.5i +.5i +.5i +.5i +.5i +.5i +.5i +.5i +.5i +.5i +.5i Col N NA alnum alpha int float other type min max 1 100 0 100 0 100 100 0 int 1 100 2 100 0 0 0 0 100 0 float 0.0123 0.9836 3 100 0 10 0 10 100 0 float 1 10 .fi .SH SEE\ ALSO sort(1), grep(1), uniq(1), and diff(1) are also useful for checking data .SH LIMITS Use the -L option to determine the program limits.