diff --git a/lib/node_modules/@stdlib/stats/strided/dztest2/benchmark/benchmark.js b/lib/node_modules/@stdlib/stats/strided/dztest2/benchmark/benchmark.js
index e90c27fd8a1d..366b6991f350 100644
--- a/lib/node_modules/@stdlib/stats/strided/dztest2/benchmark/benchmark.js
+++ b/lib/node_modules/@stdlib/stats/strided/dztest2/benchmark/benchmark.js
@@ -25,6 +25,7 @@ var normal = require( '@stdlib/random/array/normal' );
 var isnan = require( '@stdlib/math/base/assert/is-nan' );
 var pow = require( '@stdlib/math/base/special/pow' );
 var Results = require( '@stdlib/stats/base/ztest/two-sample/results/float64' );
+var format = require( '@stdlib/string/format' );
 var pkg = require( './../package.json' ).name;
 var dztest2 = require( './../lib/dztest2.js' );
 
@@ -103,7 +104,7 @@ function main() {
 	for ( i = min; i <= max; i++ ) {
 		len = pow( 10, i );
 		f = createBenchmark( len );
-		bench( pkg+':len='+len, f );
+		bench( format( '%s:len=%d', pkg, len ), f );
 	}
 }
 
diff --git a/lib/node_modules/@stdlib/stats/strided/dztest2/benchmark/benchmark.native.js b/lib/node_modules/@stdlib/stats/strided/dztest2/benchmark/benchmark.native.js
index 3a761d164c66..2cc5b6736c31 100644
--- a/lib/node_modules/@stdlib/stats/strided/dztest2/benchmark/benchmark.native.js
+++ b/lib/node_modules/@stdlib/stats/strided/dztest2/benchmark/benchmark.native.js
@@ -27,6 +27,7 @@ var isnan = require( '@stdlib/math/base/assert/is-nan' );
 var pow = require( '@stdlib/math/base/special/pow' );
 var tryRequire = require( '@stdlib/utils/try-require' );
 var Results = require( '@stdlib/stats/base/ztest/two-sample/results/float64' );
+var format = require( '@stdlib/string/format' );
 var pkg = require( './../package.json' ).name;
 
 
@@ -108,7 +109,7 @@ function main() {
 	for ( i = min; i <= max; i++ ) {
 		len = pow( 10, i );
 		f = createBenchmark( len );
-		bench( pkg+'::native:len='+len, opts, f );
+		bench( format( '%s::native:len=%d', pkg, len ), opts, f );
 	}
 }
 
diff --git a/lib/node_modules/@stdlib/stats/strided/dztest2/benchmark/benchmark.ndarray.js b/lib/node_modules/@stdlib/stats/strided/dztest2/benchmark/benchmark.ndarray.js
index ae3e7aab6455..15d5e48083fb 100644
--- a/lib/node_modules/@stdlib/stats/strided/dztest2/benchmark/benchmark.ndarray.js
+++ b/lib/node_modules/@stdlib/stats/strided/dztest2/benchmark/benchmark.ndarray.js
@@ -25,6 +25,7 @@ var normal = require( '@stdlib/random/array/normal' );
 var isnan = require( '@stdlib/math/base/assert/is-nan' );
 var pow = require( '@stdlib/math/base/special/pow' );
 var Results = require( '@stdlib/stats/base/ztest/two-sample/results/float64' );
+var format = require( '@stdlib/string/format' );
 var pkg = require( './../package.json' ).name;
 var dztest2 = require( './../lib/ndarray.js' );
 
@@ -103,7 +104,7 @@ function main() {
 	for ( i = min; i <= max; i++ ) {
 		len = pow( 10, i );
 		f = createBenchmark( len );
-		bench( pkg+':ndarray:len='+len, f );
+		bench( format( '%s:ndarray:len=%d', pkg, len ), f );
 	}
 }
 
diff --git a/lib/node_modules/@stdlib/stats/strided/dztest2/benchmark/benchmark.ndarray.native.js b/lib/node_modules/@stdlib/stats/strided/dztest2/benchmark/benchmark.ndarray.native.js
index dfdefd806c92..59eac57d9049 100644
--- a/lib/node_modules/@stdlib/stats/strided/dztest2/benchmark/benchmark.ndarray.native.js
+++ b/lib/node_modules/@stdlib/stats/strided/dztest2/benchmark/benchmark.ndarray.native.js
@@ -27,6 +27,7 @@ var isnan = require( '@stdlib/math/base/assert/is-nan' );
 var pow = require( '@stdlib/math/base/special/pow' );
 var tryRequire = require( '@stdlib/utils/try-require' );
 var Results = require( '@stdlib/stats/base/ztest/two-sample/results/float64' );
+var format = require( '@stdlib/string/format' );
 var pkg = require( './../package.json' ).name;
 
 
@@ -108,7 +109,7 @@ function main() {
 	for ( i = min; i <= max; i++ ) {
 		len = pow( 10, i );
 		f = createBenchmark( len );
-		bench( pkg+'::native:ndarray:len='+len, opts, f );
+		bench( format( '%s::native:ndarray:len=%d', pkg, len ), opts, f );
 	}
 }
 
diff --git a/lib/node_modules/@stdlib/stats/strided/sztest/benchmark/benchmark.js b/lib/node_modules/@stdlib/stats/strided/sztest/benchmark/benchmark.js
index 380a9fe48f38..4841aedd0eaa 100644
--- a/lib/node_modules/@stdlib/stats/strided/sztest/benchmark/benchmark.js
+++ b/lib/node_modules/@stdlib/stats/strided/sztest/benchmark/benchmark.js
@@ -25,6 +25,7 @@ var normal = require( '@stdlib/random/array/normal' );
 var isnanf = require( '@stdlib/math/base/assert/is-nanf' );
 var pow = require( '@stdlib/math/base/special/pow' );
 var Results = require( '@stdlib/stats/base/ztest/one-sample/results/float32' );
+var format = require( '@stdlib/string/format' );
 var pkg = require( './../package.json' ).name;
 var sztest = require( './../lib/sztest.js' );
 
@@ -101,7 +102,7 @@ function main() {
 	for ( i = min; i <= max; i++ ) {
 		len = pow( 10, i );
 		f = createBenchmark( len );
-		bench( pkg+':len='+len, f );
+		bench( format( '%s:len=%d', pkg, len ), f );
 	}
 }
 
diff --git a/lib/node_modules/@stdlib/stats/strided/sztest/benchmark/benchmark.native.js b/lib/node_modules/@stdlib/stats/strided/sztest/benchmark/benchmark.native.js
index b63009fc64e4..065f6542f465 100644
--- a/lib/node_modules/@stdlib/stats/strided/sztest/benchmark/benchmark.native.js
+++ b/lib/node_modules/@stdlib/stats/strided/sztest/benchmark/benchmark.native.js
@@ -27,6 +27,7 @@ var isnanf = require( '@stdlib/math/base/assert/is-nanf' );
 var pow = require( '@stdlib/math/base/special/pow' );
 var tryRequire = require( '@stdlib/utils/try-require' );
 var Results = require( '@stdlib/stats/base/ztest/one-sample/results/float32' );
+var format = require( '@stdlib/string/format' );
 var pkg = require( './../package.json' ).name;
 
 
@@ -106,7 +107,7 @@ function main() {
 	for ( i = min; i <= max; i++ ) {
 		len = pow( 10, i );
 		f = createBenchmark( len );
-		bench( pkg+'::native:len='+len, opts, f );
+		bench( format( '%s::native:len=%d', pkg, len ), opts, f );
 	}
 }
 
diff --git a/lib/node_modules/@stdlib/stats/strided/sztest/benchmark/benchmark.ndarray.js b/lib/node_modules/@stdlib/stats/strided/sztest/benchmark/benchmark.ndarray.js
index 9f9a034d93b6..10d4c9f160ad 100644
--- a/lib/node_modules/@stdlib/stats/strided/sztest/benchmark/benchmark.ndarray.js
+++ b/lib/node_modules/@stdlib/stats/strided/sztest/benchmark/benchmark.ndarray.js
@@ -25,6 +25,7 @@ var normal = require( '@stdlib/random/array/normal' );
 var isnanf = require( '@stdlib/math/base/assert/is-nanf' );
 var pow = require( '@stdlib/math/base/special/pow' );
 var Results = require( '@stdlib/stats/base/ztest/one-sample/results/float32' );
+var format = require( '@stdlib/string/format' );
 var pkg = require( './../package.json' ).name;
 var sztest = require( './../lib/ndarray.js' );
 
@@ -101,7 +102,7 @@ function main() {
 	for ( i = min; i <= max; i++ ) {
 		len = pow( 10, i );
 		f = createBenchmark( len );
-		bench( pkg+':ndarray:len='+len, f );
+		bench( format( '%s:ndarray:len=%d', pkg, len ), f );
 	}
 }
 
diff --git a/lib/node_modules/@stdlib/stats/strided/sztest/benchmark/benchmark.ndarray.native.js b/lib/node_modules/@stdlib/stats/strided/sztest/benchmark/benchmark.ndarray.native.js
index 85f18098183a..4bee9d2a95b9 100644
--- a/lib/node_modules/@stdlib/stats/strided/sztest/benchmark/benchmark.ndarray.native.js
+++ b/lib/node_modules/@stdlib/stats/strided/sztest/benchmark/benchmark.ndarray.native.js
@@ -27,6 +27,7 @@ var isnanf = require( '@stdlib/math/base/assert/is-nanf' );
 var pow = require( '@stdlib/math/base/special/pow' );
 var tryRequire = require( '@stdlib/utils/try-require' );
 var Results = require( '@stdlib/stats/base/ztest/one-sample/results/float32' );
+var format = require( '@stdlib/string/format' );
 var pkg = require( './../package.json' ).name;
 
 
@@ -106,7 +107,7 @@ function main() {
 	for ( i = min; i <= max; i++ ) {
 		len = pow( 10, i );
 		f = createBenchmark( len );
-		bench( pkg+'::native:ndarray:len='+len, opts, f );
+		bench( format( '%s::native:ndarray:len=%d', pkg, len ), opts, f );
 	}
 }
 
diff --git a/lib/node_modules/@stdlib/stats/strided/sztest2/benchmark/benchmark.js b/lib/node_modules/@stdlib/stats/strided/sztest2/benchmark/benchmark.js
index e4d962639640..2b2fdcef95cf 100644
--- a/lib/node_modules/@stdlib/stats/strided/sztest2/benchmark/benchmark.js
+++ b/lib/node_modules/@stdlib/stats/strided/sztest2/benchmark/benchmark.js
@@ -25,6 +25,7 @@ var normal = require( '@stdlib/random/array/normal' );
 var isnanf = require( '@stdlib/math/base/assert/is-nanf' );
 var pow = require( '@stdlib/math/base/special/pow' );
 var Results = require( '@stdlib/stats/base/ztest/two-sample/results/float32' );
+var format = require( '@stdlib/string/format' );
 var pkg = require( './../package.json' ).name;
 var sztest2 = require( './../lib/sztest2.js' );
 
@@ -103,7 +104,7 @@ function main() {
 	for ( i = min; i <= max; i++ ) {
 		len = pow( 10, i );
 		f = createBenchmark( len );
-		bench( pkg+':len='+len, f );
+		bench( format( '%s:len=%d', pkg, len ), f );
 	}
 }
 
diff --git a/lib/node_modules/@stdlib/stats/strided/sztest2/benchmark/benchmark.native.js b/lib/node_modules/@stdlib/stats/strided/sztest2/benchmark/benchmark.native.js
index 0f71e95924e4..a4ea646a4df3 100644
--- a/lib/node_modules/@stdlib/stats/strided/sztest2/benchmark/benchmark.native.js
+++ b/lib/node_modules/@stdlib/stats/strided/sztest2/benchmark/benchmark.native.js
@@ -27,6 +27,7 @@ var isnanf = require( '@stdlib/math/base/assert/is-nanf' );
 var pow = require( '@stdlib/math/base/special/pow' );
 var tryRequire = require( '@stdlib/utils/try-require' );
 var Results = require( '@stdlib/stats/base/ztest/two-sample/results/float32' );
+var format = require( '@stdlib/string/format' );
 var pkg = require( './../package.json' ).name;
 
 
@@ -108,7 +109,7 @@ function main() {
 	for ( i = min; i <= max; i++ ) {
 		len = pow( 10, i );
 		f = createBenchmark( len );
-		bench( pkg+'::native:len='+len, opts, f );
+		bench( format( '%s::native:len=%d', pkg, len ), opts, f );
 	}
 }
 
diff --git a/lib/node_modules/@stdlib/stats/strided/sztest2/benchmark/benchmark.ndarray.js b/lib/node_modules/@stdlib/stats/strided/sztest2/benchmark/benchmark.ndarray.js
index c75ee9a3394b..cc795aac1852 100644
--- a/lib/node_modules/@stdlib/stats/strided/sztest2/benchmark/benchmark.ndarray.js
+++ b/lib/node_modules/@stdlib/stats/strided/sztest2/benchmark/benchmark.ndarray.js
@@ -25,6 +25,7 @@ var normal = require( '@stdlib/random/array/normal' );
 var isnanf = require( '@stdlib/math/base/assert/is-nan' );
 var pow = require( '@stdlib/math/base/special/pow' );
 var Results = require( '@stdlib/stats/base/ztest/two-sample/results/float32' );
+var format = require( '@stdlib/string/format' );
 var pkg = require( './../package.json' ).name;
 var sztest2 = require( './../lib/ndarray.js' );
 
@@ -103,7 +104,7 @@ function main() {
 	for ( i = min; i <= max; i++ ) {
 		len = pow( 10, i );
 		f = createBenchmark( len );
-		bench( pkg+':ndarray:len='+len, f );
+		bench( format( '%s:ndarray:len=%d', pkg, len ), f );
 	}
 }
 
diff --git a/lib/node_modules/@stdlib/stats/strided/sztest2/benchmark/benchmark.ndarray.native.js b/lib/node_modules/@stdlib/stats/strided/sztest2/benchmark/benchmark.ndarray.native.js
index 371d82c4b697..9377f9da598e 100644
--- a/lib/node_modules/@stdlib/stats/strided/sztest2/benchmark/benchmark.ndarray.native.js
+++ b/lib/node_modules/@stdlib/stats/strided/sztest2/benchmark/benchmark.ndarray.native.js
@@ -27,6 +27,7 @@ var isnanf = require( '@stdlib/math/base/assert/is-nanf' );
 var pow = require( '@stdlib/math/base/special/pow' );
 var tryRequire = require( '@stdlib/utils/try-require' );
 var Results = require( '@stdlib/stats/base/ztest/two-sample/results/float32' );
+var format = require( '@stdlib/string/format' );
 var pkg = require( './../package.json' ).name;
 
 
@@ -108,7 +109,7 @@ function main() {
 	for ( i = min; i <= max; i++ ) {
 		len = pow( 10, i );
 		f = createBenchmark( len );
-		bench( pkg+'::native:ndarray:len='+len, opts, f );
+		bench( format( '%s::native:ndarray:len=%d', pkg, len ), opts, f );
 	}
 }
 
diff --git a/lib/node_modules/@stdlib/stats/strided/ztest/benchmark/benchmark.js b/lib/node_modules/@stdlib/stats/strided/ztest/benchmark/benchmark.js
index 1ee6c393dfc3..3ad268876e87 100644
--- a/lib/node_modules/@stdlib/stats/strided/ztest/benchmark/benchmark.js
+++ b/lib/node_modules/@stdlib/stats/strided/ztest/benchmark/benchmark.js
@@ -25,6 +25,7 @@ var normal = require( '@stdlib/random/array/normal' );
 var isnan = require( '@stdlib/math/base/assert/is-nan' );
 var pow = require( '@stdlib/math/base/special/pow' );
 var Results = require( '@stdlib/stats/base/ztest/one-sample/results/float64' );
+var format = require( '@stdlib/string/format' );
 var pkg = require( './../package.json' ).name;
 var ztest = require( './../lib' );
 
@@ -101,7 +102,7 @@ function main() {
 	for ( i = min; i <= max; i++ ) {
 		len = pow( 10, i );
 		f = createBenchmark( len );
-		bench( pkg+':len='+len, f );
+		bench( format( '%s:len=%d', pkg, len ), f );
 	}
 }
 
diff --git a/lib/node_modules/@stdlib/stats/strided/ztest/benchmark/benchmark.ndarray.js b/lib/node_modules/@stdlib/stats/strided/ztest/benchmark/benchmark.ndarray.js
index 0ab6b18c0874..9d7a5a15c749 100644
--- a/lib/node_modules/@stdlib/stats/strided/ztest/benchmark/benchmark.ndarray.js
+++ b/lib/node_modules/@stdlib/stats/strided/ztest/benchmark/benchmark.ndarray.js
@@ -25,6 +25,7 @@ var normal = require( '@stdlib/random/array/normal' );
 var isnan = require( '@stdlib/math/base/assert/is-nan' );
 var pow = require( '@stdlib/math/base/special/pow' );
 var Results = require( '@stdlib/stats/base/ztest/one-sample/results/float64' );
+var format = require( '@stdlib/string/format' );
 var pkg = require( './../package.json' ).name;
 var ztest = require( './../lib/ndarray.js' );
 
@@ -101,7 +102,7 @@ function main() {
 	for ( i = min; i <= max; i++ ) {
 		len = pow( 10, i );
 		f = createBenchmark( len );
-		bench( pkg+':ndarray:len='+len, f );
+		bench( format( '%s:ndarray:len=%d', pkg, len ), f );
 	}
 }
 
diff --git a/lib/node_modules/@stdlib/stats/strided/ztest2/benchmark/benchmark.js b/lib/node_modules/@stdlib/stats/strided/ztest2/benchmark/benchmark.js
index fa0f674d2abf..b6063f257efe 100644
--- a/lib/node_modules/@stdlib/stats/strided/ztest2/benchmark/benchmark.js
+++ b/lib/node_modules/@stdlib/stats/strided/ztest2/benchmark/benchmark.js
@@ -25,6 +25,7 @@ var normal = require( '@stdlib/random/array/normal' );
 var isnan = require( '@stdlib/math/base/assert/is-nan' );
 var pow = require( '@stdlib/math/base/special/pow' );
 var Results = require( '@stdlib/stats/base/ztest/two-sample/results/float64' );
+var format = require( '@stdlib/string/format' );
 var pkg = require( './../package.json' ).name;
 var ztest2 = require( './../lib' );
 
@@ -103,7 +104,7 @@ function main() {
 	for ( i = min; i <= max; i++ ) {
 		len = pow( 10, i );
 		f = createBenchmark( len );
-		bench( pkg+':len='+len, f );
+		bench( format( '%s:len=%d', pkg, len ), f );
 	}
 }
 
diff --git a/lib/node_modules/@stdlib/stats/strided/ztest2/benchmark/benchmark.ndarray.js b/lib/node_modules/@stdlib/stats/strided/ztest2/benchmark/benchmark.ndarray.js
index 9a9f364d8478..64fbf28f8b78 100644
--- a/lib/node_modules/@stdlib/stats/strided/ztest2/benchmark/benchmark.ndarray.js
+++ b/lib/node_modules/@stdlib/stats/strided/ztest2/benchmark/benchmark.ndarray.js
@@ -25,6 +25,7 @@ var normal = require( '@stdlib/random/array/normal' );
 var isnan = require( '@stdlib/math/base/assert/is-nan' );
 var pow = require( '@stdlib/math/base/special/pow' );
 var Results = require( '@stdlib/stats/base/ztest/two-sample/results/float64' );
+var format = require( '@stdlib/string/format' );
 var pkg = require( './../package.json' ).name;
 var ztest2 = require( './../lib/ndarray.js' );
 
@@ -103,7 +104,7 @@ function main() {
 	for ( i = min; i <= max; i++ ) {
 		len = pow( 10, i );
 		f = createBenchmark( len );
-		bench( pkg+':ndarray:len='+len, f );
+		bench( format( '%s:ndarray:len=%d', pkg, len ), f );
 	}
 }