diff --git a/p2/data/ir.csv b/p2/data/ir.csv
new file mode 100644
index 0000000..70ae936
--- /dev/null
+++ b/p2/data/ir.csv
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diff --git a/p2/data/ircra.csv b/p2/data/ircra.csv
new file mode 100644
index 0000000..f9c5bce
--- /dev/null
+++ b/p2/data/ircra.csv
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diff --git a/p2/res/cra-impulse-response-estimate.png b/p2/res/cra-impulse-response-estimate.png
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diff --git a/p2/res/impulse-response.png b/p2/res/impulse-response.png
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